{
 "version": "2.2",
 "instance": {
  "ing-20260630.htm": {
   "nsprefix": "ing",
   "nsuri": "http://www.ing.com/20260630",
   "dts": {
    "inline": {
     "local": [
      "ing-20260630.htm"
     ]
    },
    "schema": {
     "local": [
      "ing-20260630.xsd"
     ],
     "remote": [
      "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xl-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
      "http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/net-2009-12-16.xsd",
      "http://www.xbrl.org/lrr/role/reference-2009-12-16.xsd",
      "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd",
      "https://www.xbrl.org/2023/calculation-1.1.xsd",
      "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd",
      "https://www.xbrl.org/dtr/type/2022-03-31/types.xsd",
      "https://www.xbrl.org/dtr/type/2024-01-31/types.xsd",
      "https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd",
      "https://xbrl.fasb.org/srt/2025/elts/srt-roles-2025.xsd",
      "https://xbrl.fasb.org/srt/2025/elts/srt-types-2025.xsd",
      "https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/dimensions-ea/rol_ifrs_ea-dim_2025-03-27.xsd",
      "https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/dimensions/rol_full_ifrs-dim_2025-03-27.xsd",
      "https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/full_ifrs-cor_2025-03-27.xsd",
      "https://xbrl.sec.gov/country/2025/country-2025.xsd",
      "https://xbrl.sec.gov/currency/2025/currency-2025.xsd",
      "https://xbrl.sec.gov/dei/2025/dei-2025.xsd"
     ]
    },
    "calculationLink": {
     "local": [
      "ing-20260630_cal.xml"
     ]
    },
    "definitionLink": {
     "local": [
      "ing-20260630_def.xml"
     ],
     "remote": [
      "https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/dimensions-ea/dim_ifrs_ea_2025-03-27_role-995000.xml",
      "https://xbrl.ifrs.org/taxonomy/2025-03-27/full_ifrs/dimensions/dim_full_ifrs_2025-03-27_role-995000.xml"
     ]
    },
    "labelLink": {
     "local": [
      "ing-20260630_lab.xml"
     ]
    },
    "presentationLink": {
     "local": [
      "ing-20260630_pre.xml"
     ]
    }
   },
   "keyStandard": 254,
   "keyCustom": 190,
   "axisStandard": 42,
   "axisCustom": 3,
   "memberStandard": 73,
   "memberCustom": 134,
   "hidden": {
    "total": 5,
    "http://xbrl.sec.gov/dei/2025": 5
   },
   "contextCount": 1083,
   "entityCount": 1,
   "segmentCount": 226,
   "elementCount": 879,
   "unitCount": 7,
   "baseTaxonomies": {
    "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full": 1952,
    "http://xbrl.sec.gov/dei/2025": 8
   },
   "report": {
    "R1": {
     "role": "http://www.ing.com/role/Cover",
     "longName": "0000001 - Document - Cover",
     "shortName": "Cover",
     "isDefault": "true",
     "groupType": "document",
     "subGroupType": "",
     "menuCat": "Cover",
     "order": "1",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "dei:DocumentType",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "dei:DocumentType",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R2": {
     "role": "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition",
     "longName": "9952151 - Statement - Condensed consolidated statement of financial position",
     "shortName": "Condensed consolidated statement of financial position",
     "isDefault": "false",
     "groupType": "statement",
     "subGroupType": "",
     "menuCat": "Statements",
     "order": "2",
     "firstAnchor": {
      "contextRef": "c-385",
      "name": "ifrs-full:CashAndBankBalancesAtCentralBanks",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-385",
      "name": "ifrs-full:FinancialAssetsAtAmortisedCost",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R3": {
     "role": "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss",
     "longName": "9952152 - Statement - Condensed consolidated statement of profit or loss",
     "shortName": "Condensed consolidated statement of profit or loss",
     "isDefault": "false",
     "groupType": "statement",
     "subGroupType": "",
     "menuCat": "Statements",
     "order": "3",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:InterestRevenueCalculatedUsingEffectiveInterestMethod",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureOfClassificationsOfInterestIncomeExpenseExplanatoryTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:InterestIncomeNotUsingEffectiveInterestMethod",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R4": {
     "role": "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome",
     "longName": "9952153 - Statement - Condensed consolidated statement of comprehensive income",
     "shortName": "Condensed consolidated statement of comprehensive income",
     "isDefault": "false",
     "groupType": "statement",
     "subGroupType": "",
     "menuCat": "Statements",
     "order": "4",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:ProfitLoss",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRevaluation",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R5": {
     "role": "http://www.ing.com/role/Condensedconsolidatedstatementofchangesinequity",
     "longName": "9952155 - Statement - Condensed consolidated statement of changes in equity",
     "shortName": "Condensed consolidated statement of changes in equity",
     "isDefault": "false",
     "groupType": "statement",
     "subGroupType": "",
     "menuCat": "Statements",
     "order": "5",
     "firstAnchor": {
      "contextRef": "c-412",
      "name": "ifrs-full:Equity",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-414",
      "name": "ifrs-full:ProfitLoss",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R6": {
     "role": "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows",
     "longName": "9952156 - Statement - Consolidated consolidated statement of cash flows",
     "shortName": "Consolidated consolidated statement of cash flows",
     "isDefault": "false",
     "groupType": "statement",
     "subGroupType": "",
     "menuCat": "Statements",
     "order": "6",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:ProfitLossBeforeTax",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:AdjustmentsForDepreciationAndAmortisationExpense",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R7": {
     "role": "http://www.ing.com/role/ConsolidatedconsolidatedstatementofcashflowsParenthetical",
     "longName": "9952157 - Statement - Consolidated consolidated statement of cash flows (Parenthetical)",
     "shortName": "Consolidated consolidated statement of cash flows (Parenthetical)",
     "isDefault": "false",
     "groupType": "statement",
     "subGroupType": "parenthetical",
     "menuCat": "Statements",
     "order": "7",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:InterestReceivedClassifiedAsOperatingActivities",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:InterestReceivedClassifiedAsOperatingActivities",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R8": {
     "role": "http://www.ing.com/role/Riskmanagement",
     "longName": "9952158 - Disclosure - Risk management",
     "shortName": "Risk management",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "8",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureOfFinancialInstrumentsAndFinancialRiskManagementTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureOfFinancialInstrumentsAndFinancialRiskManagementTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R9": {
     "role": "http://www.ing.com/role/Basisofpreparationandsignificantchangesinthecurrentreportingperiod",
     "longName": "9952160 - Disclosure - Basis of preparation and significant changes in the current reporting period",
     "shortName": "Basis of preparation and significant changes in the current reporting period",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "9",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfMaterialAccountingPolicyInformationExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfMaterialAccountingPolicyInformationExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R10": {
     "role": "http://www.ing.com/role/Financialassetsatfairvaluethroughprofitorloss",
     "longName": "9952161 - Disclosure - Financial assets at fair value through profit or loss",
     "shortName": "Financial assets at fair value through profit or loss",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "10",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureOfFinancialAssetsAtFairValueThroughProfitOrLossTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureOfFinancialAssetsAtFairValueThroughProfitOrLossTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R11": {
     "role": "http://www.ing.com/role/Financialassetsatfairvaluethroughothercomprehensiveincome",
     "longName": "9952162 - Disclosure - Financial assets at fair value through other comprehensive income",
     "shortName": "Financial assets at fair value through other comprehensive income",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "11",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R12": {
     "role": "http://www.ing.com/role/Debtsecurities",
     "longName": "9952163 - Disclosure - Debt securities",
     "shortName": "Debt securities",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "12",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:DebtSecuritiesExplanatoryTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:DebtSecuritiesExplanatoryTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R13": {
     "role": "http://www.ing.com/role/Loansandadvancestocustomers",
     "longName": "9952164 - Disclosure - Loans and advances to customers",
     "shortName": "Loans and advances to customers",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "13",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfLoansAndAdvancesToCustomersExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfLoansAndAdvancesToCustomersExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R14": {
     "role": "http://www.ing.com/role/Investmentinassociatesandjointventures",
     "longName": "9952165 - Disclosure - Investment in associates and joint ventures",
     "shortName": "Investment in associates and joint ventures",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "14",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R15": {
     "role": "http://www.ing.com/role/Intangibleassets",
     "longName": "9952166 - Disclosure - Intangible assets",
     "shortName": "Intangible assets",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "15",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfIntangibleAssetsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfIntangibleAssetsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R16": {
     "role": "http://www.ing.com/role/Customerdeposits",
     "longName": "9952167 - Disclosure - Customer deposits",
     "shortName": "Customer deposits",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "16",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfDepositsFromCustomersExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfDepositsFromCustomersExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R17": {
     "role": "http://www.ing.com/role/Financialliabilitiesatfairvaluethroughprofitorloss",
     "longName": "9952168 - Disclosure - Financial liabilities at fair value through profit or loss",
     "shortName": "Financial liabilities at fair value through profit or loss",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "17",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfFinancialLiabilitiesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfFinancialLiabilitiesExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R18": {
     "role": "http://www.ing.com/role/Equity",
     "longName": "9952169 - Disclosure - Equity",
     "shortName": "Equity",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "18",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R19": {
     "role": "http://www.ing.com/role/Netinterestincome",
     "longName": "9952170 - Disclosure - Net interest income",
     "shortName": "Net interest income",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "19",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfInterestIncomeExpenseExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfInterestIncomeExpenseExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R20": {
     "role": "http://www.ing.com/role/Netfeeandcommissionincome",
     "longName": "9952171 - Disclosure - Net fee and commission income",
     "shortName": "Net fee and commission income",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "20",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfFeeAndCommissionIncomeExpenseExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfFeeAndCommissionIncomeExpenseExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R21": {
     "role": "http://www.ing.com/role/Valuationresultsandnettradingincome",
     "longName": "9952172 - Disclosure - Valuation results and net trading income",
     "shortName": "Valuation results and net trading income",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "21",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:ValuationResultsAndNetTradingIncomeTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:ValuationResultsAndNetTradingIncomeTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R22": {
     "role": "http://www.ing.com/role/Otheroperatingexpenses",
     "longName": "9952173 - Disclosure - Other operating expenses",
     "shortName": "Other operating expenses",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "22",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfOtherOperatingExpenseExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfOtherOperatingExpenseExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R23": {
     "role": "http://www.ing.com/role/Earningsperordinaryshare",
     "longName": "9952174 - Disclosure - Earnings per ordinary share",
     "shortName": "Earnings per ordinary share",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "23",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfEarningsPerShareExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R24": {
     "role": "http://www.ing.com/role/Dividendperordinaryshare",
     "longName": "9952175 - Disclosure - Dividend per ordinary share",
     "shortName": "Dividend per ordinary share",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "24",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfDividendsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfDividendsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R25": {
     "role": "http://www.ing.com/role/Segments",
     "longName": "9952176 - Disclosure - Segments",
     "shortName": "Segments",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "25",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R26": {
     "role": "http://www.ing.com/role/Fairvalueofassetsandliabilities",
     "longName": "9952177 - Disclosure - Fair value of assets and liabilities",
     "shortName": "Fair value of assets and liabilities",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "26",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfFairValueMeasurementExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfFairValueMeasurementExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R27": {
     "role": "http://www.ing.com/role/Legalproceedings",
     "longName": "9952178 - Disclosure - Legal proceedings",
     "shortName": "Legal proceedings",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "27",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureOfLegalProceedingsExplanatoryTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureOfLegalProceedingsExplanatoryTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R28": {
     "role": "http://www.ing.com/role/Businessesacquiredanddivested",
     "longName": "9952179 - Disclosure - Businesses acquired and divested",
     "shortName": "Businesses acquired and divested",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "28",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfBusinessCombinationsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfBusinessCombinationsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R29": {
     "role": "http://www.ing.com/role/Subsequentevents",
     "longName": "9952180 - Disclosure - Subsequent events",
     "shortName": "Subsequent events",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "",
     "menuCat": "Notes",
     "order": "29",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfEventsAfterReportingPeriodExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R30": {
     "role": "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodPolicies",
     "longName": "9955511 - Disclosure - Basis of preparation and significant changes in the current reporting period (Policies)",
     "shortName": "Basis of preparation and significant changes in the current reporting period (Policies)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "policies",
     "menuCat": "Policies",
     "order": "30",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R31": {
     "role": "http://www.ing.com/role/RiskmanagementTables",
     "longName": "9955512 - Disclosure - Risk management (Tables)",
     "shortName": "Risk management (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "31",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:GrossCarryingAmountPerIFRS9StageAndRatingClassExplanatoryTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:GrossCarryingAmountPerIFRS9StageAndRatingClassExplanatoryTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R32": {
     "role": "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodTables",
     "longName": "9955514 - Disclosure - Basis of preparation and significant changes in the current reporting period (Tables)",
     "shortName": "Basis of preparation and significant changes in the current reporting period (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "32",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureOfReconciliationNetResultExplanatoryTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureOfReconciliationNetResultExplanatoryTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R33": {
     "role": "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossTables",
     "longName": "9955515 - Disclosure - Financial assets at fair value through profit or loss (Tables)",
     "shortName": "Financial assets at fair value through profit or loss (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "33",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R34": {
     "role": "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeTables",
     "longName": "9955516 - Disclosure - Financial assets at fair value through other comprehensive income (Tables)",
     "shortName": "Financial assets at fair value through other comprehensive income (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "34",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:SummaryOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:SummaryOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R35": {
     "role": "http://www.ing.com/role/DebtsecuritiesTables",
     "longName": "9955517 - Disclosure - Debt securities (Tables)",
     "shortName": "Debt securities (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "35",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:SummaryOfExposureToDebtSecuritiesTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:SummaryOfExposureToDebtSecuritiesTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R36": {
     "role": "http://www.ing.com/role/LoansandadvancestocustomersTables",
     "longName": "9955518 - Disclosure - Loans and advances to customers (Tables)",
     "shortName": "Loans and advances to customers (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "36",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureOfLoansAndAdvancesToCustomersByTypeExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureOfLoansAndAdvancesToCustomersByTypeExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R37": {
     "role": "http://www.ing.com/role/InvestmentinassociatesandjointventuresTables",
     "longName": "9955519 - Disclosure - Investment in associates and joint ventures (Tables)",
     "shortName": "Investment in associates and joint ventures (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "37",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureInInvestmentsInAssociatesAndJointVenturesExplanatoryTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureInInvestmentsInAssociatesAndJointVenturesExplanatoryTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R38": {
     "role": "http://www.ing.com/role/IntangibleassetsTables",
     "longName": "9955520 - Disclosure - Intangible assets (Tables)",
     "shortName": "Intangible assets (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "38",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R39": {
     "role": "http://www.ing.com/role/CustomerdepositsTables",
     "longName": "9955521 - Disclosure - Customer deposits (Tables)",
     "shortName": "Customer deposits (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "39",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:ScheduleOfCustomerDepositsTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:ScheduleOfCustomerDepositsTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R40": {
     "role": "http://www.ing.com/role/FinancialliabilitiesatfairvaluethroughprofitorlossTables",
     "longName": "9955522 - Disclosure - Financial liabilities at fair value through profit or loss (Tables)",
     "shortName": "Financial liabilities at fair value through profit or loss (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "40",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureOfFinancialAssetsAndLiabilitiesAtFairValueThroughProfitLossTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureOfFinancialAssetsAndLiabilitiesAtFairValueThroughProfitLossTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R41": {
     "role": "http://www.ing.com/role/EquityTables",
     "longName": "9955523 - Disclosure - Equity (Tables)",
     "shortName": "Equity (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "41",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureOfEquityTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureOfEquityTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R42": {
     "role": "http://www.ing.com/role/NetinterestincomeTables",
     "longName": "9955524 - Disclosure - Net interest income (Tables)",
     "shortName": "Net interest income (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "42",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureOfClassificationsOfInterestIncomeExpenseExplanatoryTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureOfClassificationsOfInterestIncomeExpenseExplanatoryTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R43": {
     "role": "http://www.ing.com/role/NetfeeandcommissionincomeTables",
     "longName": "9955525 - Disclosure - Net fee and commission income (Tables)",
     "shortName": "Net fee and commission income (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "43",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureOfNetFeeAndCommissionIncomeExplanatoryTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureOfNetFeeAndCommissionIncomeExplanatoryTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R44": {
     "role": "http://www.ing.com/role/ValuationresultsandnettradingincomeTables",
     "longName": "9955526 - Disclosure - Valuation results and net trading income (Tables)",
     "shortName": "Valuation results and net trading income (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "44",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureOfDetailedInformationAboutValuationResultsAndNetTradingIncomeTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureOfDetailedInformationAboutValuationResultsAndNetTradingIncomeTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R45": {
     "role": "http://www.ing.com/role/OtheroperatingexpensesTables",
     "longName": "9955527 - Disclosure - Other operating expenses (Tables)",
     "shortName": "Other operating expenses (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "45",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureOfScheduleOfOtherOperatingExpenseTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureOfScheduleOfOtherOperatingExpenseTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R46": {
     "role": "http://www.ing.com/role/EarningsperordinaryshareTables",
     "longName": "9955528 - Disclosure - Earnings per ordinary share (Tables)",
     "shortName": "Earnings per ordinary share (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "46",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:EarningsPerShareExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:EarningsPerShareExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R47": {
     "role": "http://www.ing.com/role/DividendperordinaryshareTables",
     "longName": "9955529 - Disclosure - Dividend per ordinary share (Tables)",
     "shortName": "Dividend per ordinary share (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "47",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureOfDividendPerOrdinaryShareExplanatoryTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:DisclosureOfDividendPerOrdinaryShareExplanatoryTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R48": {
     "role": "http://www.ing.com/role/SegmentsTables",
     "longName": "9955530 - Disclosure - Segments (Tables)",
     "shortName": "Segments (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "48",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfOperatingSegmentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfOperatingSegmentsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R49": {
     "role": "http://www.ing.com/role/FairvalueofassetsandliabilitiesTables",
     "longName": "9955531 - Disclosure - Fair value of assets and liabilities (Tables)",
     "shortName": "Fair value of assets and liabilities (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "49",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:SummaryOfValuationAdjustmentTableTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:SummaryOfValuationAdjustmentTableTableTextBlock",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R50": {
     "role": "http://www.ing.com/role/BusinessesacquiredanddivestedTables",
     "longName": "9955532 - Disclosure - Businesses acquired and divested (Tables)",
     "shortName": "Businesses acquired and divested (Tables)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "tables",
     "menuCat": "Tables",
     "order": "50",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R51": {
     "role": "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
     "longName": "9955533 - Disclosure - Risk management - Additional information (Details)",
     "shortName": "Risk management - Additional information (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "51",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:UnweightedEclForAllCollectiveProvisionedClientsInUpsideScenario",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "div",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:UnweightedEclForAllCollectiveProvisionedClientsInUpsideScenario",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "div",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R52": {
     "role": "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails",
     "longName": "9955534 - Disclosure - Risk management - Gross carrying amount per IFRS 9 stage and rating class (Details)",
     "shortName": "Risk management - Gross carrying amount per IFRS 9 stage and rating class (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "52",
     "firstAnchor": {
      "contextRef": "c-130",
      "name": "ifrs-full:FinancialAssets",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-14",
      "name": "ifrs-full:FinancialAssets",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:GrossCarryingAmountPerIFRS9StageAndRatingClassExplanatoryTableTextBlock",
       "div",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R53": {
     "role": "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails",
     "longName": "9955535 - Disclosure - Risk management - Changes in gross carrying amounts and loan loss provisions (Details)",
     "shortName": "Risk management - Changes in gross carrying amounts and loan loss provisions (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "53",
     "firstAnchor": {
      "contextRef": "c-131",
      "name": "ifrs-full:FinancialAssets",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-228",
      "name": "ifrs-full:IncreaseDecreaseInFinancialAssets",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R54": {
     "role": "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails",
     "longName": "9955536 - Disclosure - Risk management - Sensitivity analysis (Details)",
     "shortName": "Risk management - Sensitivity analysis (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "54",
     "firstAnchor": {
      "contextRef": "c-253",
      "name": "ifrs-full:ValueAtRisk",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:SensitivityAnalysisForCreditRiskTableTextBlock",
       "div",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-253",
      "name": "ifrs-full:ValueAtRisk",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:SensitivityAnalysisForCreditRiskTableTextBlock",
       "div",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R55": {
     "role": "http://www.ing.com/role/RiskmanagementManagementadjustmentsDetails",
     "longName": "9955537 - Disclosure - Risk management - Management adjustments (Details)",
     "shortName": "Risk management - Management adjustments (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "55",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:EconomicSectorPortfolioBasedAdjustments",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:OtherPostModelAdjustmentsManagementAdjustments",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R56": {
     "role": "http://www.ing.com/role/RiskmanagementQuantitativeSICRthresholdsDetails",
     "longName": "9955538 - Disclosure - Risk management - Quantitative SICR thresholds (Details)",
     "shortName": "Risk management - Quantitative SICR thresholds (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "56",
     "firstAnchor": {
      "contextRef": "c-365",
      "name": "ing:AverageThresholdRatio",
      "unitRef": "number",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "1",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:AssetClassCategoryAverageThresholdInvestmentGradeExplanatoryTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-365",
      "name": "ing:AverageThresholdRatio",
      "unitRef": "number",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "1",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:AssetClassCategoryAverageThresholdInvestmentGradeExplanatoryTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R57": {
     "role": "http://www.ing.com/role/CapitalmanagementAdditionalinformationDetails",
     "longName": "9955539 - Disclosure - Capital management - Additional information (Details)",
     "shortName": "Capital management - Additional information (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "57",
     "firstAnchor": {
      "contextRef": "c-712",
      "name": "ifrs-full:DividendsPaidOrdinarySharesPerShare",
      "unitRef": "eurPerShare",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "3",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare",
      "unitRef": "eurPerShare",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "3",
      "ancestors": [
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureOfDividendPerOrdinaryShareExplanatoryTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R58": {
     "role": "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails",
     "longName": "9955540 - Disclosure - Capital management - ING capital position (Details)",
     "shortName": "Capital management - ING capital position (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "58",
     "firstAnchor": {
      "contextRef": "c-385",
      "name": "ifrs-full:Equity",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureOfEquityTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": null
    },
    "R59": {
     "role": "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodAdditionalinformationDetails",
     "longName": "9955541 - Disclosure - Basis of preparation and significant changes in the current reporting period - Additional information (Details)",
     "shortName": "Basis of preparation and significant changes in the current reporting period - Additional information (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "59",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:ReconciliationNetResultEffectOfAdjustmentAfterTaxEUIAS39CarveOut",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureOfReconciliationNetResultExplanatoryTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": null
    },
    "R60": {
     "role": "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodReconciliationnetresultunderIFRSEUandIFRSIASBDetails",
     "longName": "9955542 - Disclosure - Basis of preparation and significant changes in the current reporting period - Reconciliation net result under IFRS-EU and IFRS-IASB (Details)",
     "shortName": "Basis of preparation and significant changes in the current reporting period - Reconciliation net result under IFRS-EU and IFRS-IASB (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "60",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:NetResultAttributableToOwnersOfParentEUIFRS",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureOfReconciliationNetResultExplanatoryTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:NetResultAttributableToOwnersOfParentEUIFRS",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureOfReconciliationNetResultExplanatoryTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R61": {
     "role": "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodReconciliationshareholdersequityunderIFRSEUandIFRSIASBDetails",
     "longName": "9955543 - Disclosure - Basis of preparation and significant changes in the current reporting period - Reconciliation shareholders' equity under IFRS-EU and IFRS-IASB (Details)",
     "shortName": "Basis of preparation and significant changes in the current reporting period - Reconciliation shareholders' equity under IFRS-EU and IFRS-IASB (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "61",
     "firstAnchor": {
      "contextRef": "c-385",
      "name": "ing:ShareholderEquityInAccordanceWithEUIFRS",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureOfReconciliationShareholdersEquityTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-385",
      "name": "ing:ShareholderEquityInAccordanceWithEUIFRS",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureOfReconciliationShareholdersEquityTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R62": {
     "role": "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryoffinancialassetsatfairvaluethroughprofitorlossDetails",
     "longName": "9955544 - Disclosure - Financial assets at fair value through profit or loss - Summary of financial assets at fair value through profit or loss (Details)",
     "shortName": "Financial assets at fair value through profit or loss - Summary of financial assets at fair value through profit or loss (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "62",
     "firstAnchor": {
      "contextRef": "c-385",
      "name": "ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ifrs-full:DisclosureOfFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-385",
      "name": "ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ifrs-full:DisclosureOfFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R63": {
     "role": "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails",
     "longName": "9955545 - Disclosure - Financial assets at fair value through profit or loss - Summary of exposure to (reverse) repurchase agreements (Details)",
     "shortName": "Financial assets at fair value through profit or loss - Summary of exposure to (reverse) repurchase agreements (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "63",
     "firstAnchor": {
      "contextRef": "c-385",
      "name": "ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-449",
      "name": "ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ifrs-full:DisclosureOfRepurchaseAndReverseRepurchaseAgreementsExplanatory",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R64": {
     "role": "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryoffinancialassetsatfairvaluethroughothercomprehensiveincomeDetails",
     "longName": "9955546 - Disclosure - Financial assets at fair value through other comprehensive income - Summary of financial assets at fair value through other comprehensive income (Details)",
     "shortName": "Financial assets at fair value through other comprehensive income - Summary of financial assets at fair value through other comprehensive income (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "64",
     "firstAnchor": {
      "contextRef": "c-385",
      "name": "ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-461",
      "name": "ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncome",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:SummaryOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R65": {
     "role": "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofequitysecuritiesdesignatedasatfairvaluethroughothercomprehensiveincomeDetails",
     "longName": "9955547 - Disclosure - Financial assets at fair value through other comprehensive income- Summary of equity securities designated as at fair value through other comprehensive income (Details)",
     "shortName": "Financial assets at fair value through other comprehensive income- Summary of equity securities designated as at fair value through other comprehensive income (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "65",
     "firstAnchor": {
      "contextRef": "c-385",
      "name": "ifrs-full:FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ifrs-full:DisclosureOfFairValueOfEachInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatory",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-385",
      "name": "ifrs-full:FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ifrs-full:DisclosureOfFairValueOfEachInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatory",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R66": {
     "role": "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeAdditionalinformationDetails",
     "longName": "9955548 - Disclosure - Financial assets at fair value through other comprehensive income - Additional information (Details)",
     "shortName": "Financial assets at fair value through other comprehensive income - Additional information (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "66",
     "firstAnchor": {
      "contextRef": "c-493",
      "name": "ifrs-full:IncreaseDecreaseThroughForeignExchangeFinancialAssets",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:SummaryOfChangesInFairValueThroughOtherComprehensiveIncomeFinancialAssetsTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-473",
      "name": "ing:OwnershipInterestHeldInEquityBasedInvestments",
      "unitRef": "number",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "2",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R67": {
     "role": "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofchangesinfairvaluethroughothercomprehensiveincomefinancialassetsDetails",
     "longName": "9955549 - Disclosure - Financial assets at fair value through other comprehensive income - Summary of changes in fair value through other comprehensive income financial assets (Details)",
     "shortName": "Financial assets at fair value through other comprehensive income - Summary of changes in fair value through other comprehensive income financial assets (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "67",
     "firstAnchor": {
      "contextRef": "c-487",
      "name": "ifrs-full:FinancialAssets",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:SummaryOfChangesInFairValueThroughOtherComprehensiveIncomeFinancialAssetsTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-493",
      "name": "ifrs-full:IncreaseThroughOriginationOrPurchaseFinancialAssets",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:SummaryOfChangesInFairValueThroughOtherComprehensiveIncomeFinancialAssetsTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R68": {
     "role": "http://www.ing.com/role/DebtsecuritiesSummaryofsecuritiesDetails",
     "longName": "9955550 - Disclosure - Debt securities - Summary of securities (Details)",
     "shortName": "Debt securities - Summary of securities (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "68",
     "firstAnchor": {
      "contextRef": "c-463",
      "name": "ifrs-full:FinancialAssets",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-506",
      "name": "ifrs-full:FinancialAssets",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R69": {
     "role": "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails",
     "longName": "9955551 - Disclosure - Debt securities - Debt securities by type and balance sheet lines (Details)",
     "shortName": "Debt securities - Debt securities by type and balance sheet lines (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "69",
     "firstAnchor": {
      "contextRef": "c-355",
      "name": "ifrs-full:FinancialAssets",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-580",
      "name": "ifrs-full:FinancialAssets",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R70": {
     "role": "http://www.ing.com/role/LoansandadvancestocustomersDetails",
     "longName": "9955552 - Disclosure - Loans and advances to customers (Details)",
     "shortName": "Loans and advances to customers (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "70",
     "firstAnchor": {
      "contextRef": "c-385",
      "name": "ifrs-full:LoansAndAdvancesToCustomers",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-602",
      "name": "ifrs-full:LoansAndAdvancesToCustomers",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureOfLoansAndAdvancesToCustomersByTypeExplanatory",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R71": {
     "role": "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofinvestmentsinassociatesandjointventuresDetails",
     "longName": "9955553 - Disclosure - Investment in associates and joint ventures - Summary of investments in associates and joint ventures (Details)",
     "shortName": "Investment in associates and joint ventures - Summary of investments in associates and joint ventures (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "71",
     "firstAnchor": {
      "contextRef": "c-385",
      "name": "ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureInInvestmentsInAssociatesAndJointVenturesExplanatoryTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-607",
      "name": "ing:FairValueOfListedInvestment",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureInInvestmentsInAssociatesAndJointVenturesExplanatoryTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R72": {
     "role": "http://www.ing.com/role/InvestmentinassociatesandjointventuresAdditionalinformationDetails",
     "longName": "9955554 - Disclosure - Investment in associates and joint ventures - Additional information (Details)",
     "shortName": "Investment in associates and joint ventures - Additional information (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "72",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-617",
      "name": "ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R73": {
     "role": "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofchangesininvestmentsinassociatesandjointventuresDetails",
     "longName": "9955555 - Disclosure - Investment in associates and joint ventures - Summary of changes in investments in associates and joint ventures (Details)",
     "shortName": "Investment in associates and joint ventures - Summary of changes in investments in associates and joint ventures (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "73",
     "firstAnchor": {
      "contextRef": "c-386",
      "name": "ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureInInvestmentsInAssociatesAndJointVenturesExplanatoryTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-613",
      "name": "ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureOfChangeInInvestmentsInAssociatesAndJointVenturesExplanatory",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R74": {
     "role": "http://www.ing.com/role/IntangibleassetsScheduleofchangesinintangibleassetsDetails",
     "longName": "9955556 - Disclosure - Intangible assets - Schedule of changes in intangible assets (Details)",
     "shortName": "Intangible assets - Schedule of changes in intangible assets (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "74",
     "firstAnchor": {
      "contextRef": "c-386",
      "name": "ifrs-full:IntangibleAssetsAndGoodwill",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ifrs-full:DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ifrs-full:DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R75": {
     "role": "http://www.ing.com/role/IntangibleassetsAdditionalinformationDetails",
     "longName": "9955557 - Disclosure - Intangible assets - Additional information (Details)",
     "shortName": "Intangible assets - Additional information (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "75",
     "firstAnchor": {
      "contextRef": "c-656",
      "name": "ifrs-full:ChangesInGoodwill",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-656",
      "name": "ifrs-full:ChangesInGoodwill",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R76": {
     "role": "http://www.ing.com/role/CustomerdepositsScheduleofcustomerdepositsDetails",
     "longName": "9955558 - Disclosure - Customer deposits - Schedule of customer deposits (Details)",
     "shortName": "Customer deposits - Schedule of customer deposits (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "76",
     "firstAnchor": {
      "contextRef": "c-385",
      "name": "ing:CustomerDepositsCurrentAccountsAndOvernightDeposits",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:ScheduleOfCustomerDepositsTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-385",
      "name": "ifrs-full:BalancesOnOtherDepositsFromCustomers",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:ScheduleOfCustomerDepositsTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R77": {
     "role": "http://www.ing.com/role/CustomerdepositsAdditionalinformationDetails",
     "longName": "9955559 - Disclosure - Customer deposits - Additional information (Details)",
     "shortName": "Customer deposits - Additional information (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "77",
     "firstAnchor": {
      "contextRef": "c-385",
      "name": "ing:CustomerDepositsCurrentAccountsAndOvernightDeposits",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:ScheduleOfCustomerDepositsTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-659",
      "name": "ing:CustomerDepositsCurrentAccountsAndOvernightDeposits",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R78": {
     "role": "http://www.ing.com/role/FinancialliabilitiesatfairvaluethroughprofitorlossDetails",
     "longName": "9955560 - Disclosure - Financial liabilities at fair value through profit or loss (Details)",
     "shortName": "Financial liabilities at fair value through profit or loss (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "78",
     "firstAnchor": {
      "contextRef": "c-385",
      "name": "ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureOfFinancialAssetsAndLiabilitiesAtFairValueThroughProfitLossTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-385",
      "name": "ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureOfFinancialAssetsAndLiabilitiesAtFairValueThroughProfitLossTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R79": {
     "role": "http://www.ing.com/role/EquitySummaryofequityDetails",
     "longName": "9955561 - Disclosure - Equity - Summary of equity (Details)",
     "shortName": "Equity - Summary of equity (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "79",
     "firstAnchor": {
      "contextRef": "c-385",
      "name": "ifrs-full:IssuedCapital",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureOfEquityTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-385",
      "name": "ifrs-full:IssuedCapital",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureOfEquityTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R80": {
     "role": "http://www.ing.com/role/EquityAdditionalinformationDetails",
     "longName": "9955562 - Disclosure - Equity - Additional information (Details)",
     "shortName": "Equity - Additional information (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "80",
     "firstAnchor": {
      "contextRef": "c-385",
      "name": "ing:ShareOfAssociatesJointVentureAndOtherReservesIncludingNonDistributableProfitsFromAssociatesAndJointVentures",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-386",
      "name": "ing:ShareOfAssociatesJointVentureAndOtherReservesIncludingNonDistributableProfitsFromAssociatesAndJointVentures",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R81": {
     "role": "http://www.ing.com/role/EquityScheduleofchangesintreasurysharesDetails",
     "longName": "9955563 - Disclosure - Equity - Schedule of changes in treasury shares (Details)",
     "shortName": "Equity - Schedule of changes in treasury shares (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "81",
     "firstAnchor": {
      "contextRef": "c-386",
      "name": "ifrs-full:TreasuryShares",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ifrs-full:DisclosureOfReservesAndOtherEquityInterestExplanatory",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:IncreaseDecreaseThroughTreasuryShareTransactionsExcludingShareBasedPaymentTransactions",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ifrs-full:DisclosureOfReservesAndOtherEquityInterestExplanatory",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R82": {
     "role": "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails",
     "longName": "9955564 - Disclosure - Net interest income - Summary of net interest income (Details)",
     "shortName": "Net interest income - Summary of net interest income (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "82",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:InterestIncomeOnLoansToCustomersAndBanksCashBalancesAndNegativeInterestOnLiabilities",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureOfClassificationsOfInterestIncomeExpenseExplanatoryTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:InterestIncomeOnLoansToCustomersAndBanksCashBalancesAndNegativeInterestOnLiabilities",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureOfClassificationsOfInterestIncomeExpenseExplanatoryTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R83": {
     "role": "http://www.ing.com/role/NetfeeandcommissionincomeDetails",
     "longName": "9955565 - Disclosure - Net fee and commission income (Details)",
     "shortName": "Net fee and commission income (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "83",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:PaymentServicesFeeAndCommissionIncome",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureOfNetFeeAndCommissionIncomeExplanatoryTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:PaymentServicesFeeAndCommissionIncome",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureOfNetFeeAndCommissionIncomeExplanatoryTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R84": {
     "role": "http://www.ing.com/role/ValuationresultsandnettradingincomeSummaryofvaluationresultsandnettradingincomeDetails",
     "longName": "9955566 - Disclosure - Valuation results and net trading income - Summary of valuation results and net trading income (Details)",
     "shortName": "Valuation results and net trading income - Summary of valuation results and net trading income (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "84",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:TradingIncomeExpenseOnSecurities",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureOfDetailedInformationAboutValuationResultsAndNetTradingIncomeTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:TradingIncomeExpenseOnSecurities",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureOfDetailedInformationAboutValuationResultsAndNetTradingIncomeTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R85": {
     "role": "http://www.ing.com/role/ValuationresultsandnettradingincomeAdditionalinformationDetails",
     "longName": "9955567 - Disclosure - Valuation results and net trading income - Additional information (Details)",
     "shortName": "Valuation results and net trading income - Additional information (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "85",
     "firstAnchor": {
      "contextRef": "c-702",
      "name": "ing:ImpactOfInterestRateVolatilityEUIAS39CarveOutAdjustment",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-702",
      "name": "ing:ImpactOfInterestRateVolatilityEUIAS39CarveOutAdjustment",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R86": {
     "role": "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails",
     "longName": "9955568 - Disclosure - Other operating expenses - Summary of other operating expenses (Details)",
     "shortName": "Other operating expenses - Summary of other operating expenses (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "86",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:PromotionalAndClientsAcquisitionCosts",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureOfScheduleOfOtherOperatingExpenseTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:PromotionalAndClientsAcquisitionCosts",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureOfScheduleOfOtherOperatingExpenseTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R87": {
     "role": "http://www.ing.com/role/OtheroperatingexpensesAdditionalinformationDetails",
     "longName": "9955569 - Disclosure - Other operating expenses - Additional information (Details)",
     "shortName": "Other operating expenses - Additional information (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "87",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:ContributionsToSingleAndLocalResolutionFund",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:ContributionsToSingleAndLocalResolutionFund",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R88": {
     "role": "http://www.ing.com/role/EarningsperordinaryshareDetails",
     "longName": "9955570 - Disclosure - Earnings per ordinary share (Details)",
     "shortName": "Earnings per ordinary share (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "88",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:ProfitLossAttributableToOwnersOfParent",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects",
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ifrs-full:EarningsPerShareExplanatory",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ifrs-full:EarningsPerShareExplanatory",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R89": {
     "role": "http://www.ing.com/role/DividendperordinaryshareScheduleofdividendstoshareholdersoftheparentDetails",
     "longName": "9955571 - Disclosure - Dividend per ordinary share - Schedule of dividends to shareholders of the parent (Details)",
     "shortName": "Dividend per ordinary share - Schedule of dividends to shareholders of the parent (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "89",
     "firstAnchor": {
      "contextRef": "c-712",
      "name": "ifrs-full:DividendsPaidOrdinarySharesPerShare",
      "unitRef": "eurPerShare",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "3",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-710",
      "name": "ifrs-full:DividendsPaidOrdinaryShares",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureOfDividendPerOrdinaryShareExplanatoryTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R90": {
     "role": "http://www.ing.com/role/DividendperordinaryshareAdditionalinformationDetails",
     "longName": "9955572 - Disclosure - Dividend per ordinary share - Additional information (Details)",
     "shortName": "Dividend per ordinary share - Additional information (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "90",
     "firstAnchor": {
      "contextRef": "c-711",
      "name": "ifrs-full:DividendsRecognisedAsDistributionsToOwnersPerShare",
      "unitRef": "eurPerShare",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "3",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:OtherCashDistributions",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R91": {
     "role": "http://www.ing.com/role/SegmentsSummaryofreconciliationbetweenIFRSandunderlyingincomeexpensesandnetresultDetails",
     "longName": "9955573 - Disclosure - Segments - Summary of reconciliation between IFRS and underlying income, expenses and net result (Details)",
     "shortName": "Segments - Summary of reconciliation between IFRS and underlying income, expenses and net result (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "91",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:ProfitLossFromOperatingActivities",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-715",
      "name": "ifrs-full:ProfitLossFromOperatingActivities",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureOfOperatingSegmentsUnderlyingIncomeExpensesExplanatory",
       "div",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R92": {
     "role": "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
     "longName": "9955574 - Disclosure - Segments - Schedule of ING Group total (Details)",
     "shortName": "Segments - Schedule of ING Group total (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "92",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:InterestRevenueExpense",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-731",
      "name": "ifrs-full:ProfitLossAttributableToOwnersOfParent",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ix:continuation",
       "div",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R93": {
     "role": "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails",
     "longName": "9955575 - Disclosure - Segments - Summary of segments banking (Details)",
     "shortName": "Segments - Summary of segments banking (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "93",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:InterestRevenueExpense",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-741",
      "name": "ifrs-full:InterestRevenueExpense",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ifrs-full:DisclosureOfProductsAndServicesExplanatory",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R94": {
     "role": "http://www.ing.com/role/FairvalueofassetsandliabilitiesSummaryofvaluationadjustmentDetails",
     "longName": "9955576 - Disclosure - Fair value of assets and liabilities - Summary of valuation adjustment (Details)",
     "shortName": "Fair value of assets and liabilities - Summary of valuation adjustment (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "94",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ifrs-full:AdjustmentsForFairValueGainsLosses",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-765",
      "name": "ifrs-full:AdjustmentsForFairValueGainsLosses",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "ix:continuation",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R95": {
     "role": "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails",
     "longName": "9955577 - Disclosure - Fair value of assets and liabilities - Methods applied in determining fair values of financial assets and liabilities (carried at fair value) (Details)",
     "shortName": "Fair value of assets and liabilities - Methods applied in determining fair values of financial assets and liabilities (carried at fair value) (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "95",
     "firstAnchor": {
      "contextRef": "c-385",
      "name": "ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-835",
      "name": "ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLoss",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R96": {
     "role": "http://www.ing.com/role/FairvalueofassetsandliabilitiesAdditionalinformationDetails",
     "longName": "9955578 - Disclosure - Fair value of assets and liabilities - Additional information (Details)",
     "shortName": "Fair value of assets and liabilities - Additional information (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "96",
     "firstAnchor": {
      "contextRef": "c-385",
      "name": "ing:FinancialAssetsClassifiedAsLevel3BasedOnQuotedPrice",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-8",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-385",
      "name": "ing:FinancialAssetsClassifiedAsLevel3BasedOnQuotedPrice",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-8",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R97": {
     "role": "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails",
     "longName": "9955579 - Disclosure - Fair value of assets and liabilities - Valuation techniques and range of unobservable inputs (Details)",
     "shortName": "Fair value of assets and liabilities - Valuation techniques and range of unobservable inputs (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "97",
     "firstAnchor": {
      "contextRef": "c-385",
      "name": "ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-865",
      "name": "ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsExplanatory",
       "div",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R98": {
     "role": "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails",
     "longName": "9955580 - Disclosure - Fair value of assets and liabilities - Changes in level 3 financial assets (Details)",
     "shortName": "Fair value of assets and liabilities - Changes in level 3 financial assets (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "98",
     "firstAnchor": {
      "contextRef": "c-1025",
      "name": "ifrs-full:GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForAssetsHeldAtEndOfPeriodFairValueMeasurement",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1025",
      "name": "ifrs-full:GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForAssetsHeldAtEndOfPeriodFairValueMeasurement",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R99": {
     "role": "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialliabilitiesDetails",
     "longName": "9955581 - Disclosure - Fair value of assets and liabilities - Changes in level 3 financial liabilities (Details)",
     "shortName": "Fair value of assets and liabilities - Changes in level 3 financial liabilities (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "99",
     "firstAnchor": {
      "contextRef": "c-1042",
      "name": "ifrs-full:GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForAssetsHeldAtEndOfPeriodFairValueMeasurement",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1042",
      "name": "ifrs-full:GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForAssetsHeldAtEndOfPeriodFairValueMeasurement",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R100": {
     "role": "http://www.ing.com/role/FairvalueofassetsandliabilitiesSensitivityanalysisoflevel3instrumentsDetails",
     "longName": "9955582 - Disclosure - Fair value of assets and liabilities - Sensitivity analysis of level 3 instruments (Details)",
     "shortName": "Fair value of assets and liabilities - Sensitivity analysis of level 3 instruments (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "100",
     "firstAnchor": {
      "contextRef": "c-863",
      "name": "ing:PositiveFairValueMovementsUsingPossibleAlternatives",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-863",
      "name": "ing:PositiveFairValueMovementsUsingPossibleAlternatives",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R101": {
     "role": "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails",
     "longName": "9955583 - Disclosure - Fair value of assets and liabilities - Methods applied in determining fair values of financial assets and liabilities (carried at amortised cost) (Details)",
     "shortName": "Fair value of assets and liabilities - Methods applied in determining fair values of financial assets and liabilities (carried at amortised cost) (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "101",
     "firstAnchor": {
      "contextRef": "c-385",
      "name": "ifrs-full:LoansAndAdvancesToBanks",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1074",
      "name": "ifrs-full:DepositsFromBanks",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "div",
       "ix:continuation",
       "div",
       "ix:continuation",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R102": {
     "role": "http://www.ing.com/role/LegalproceedingsDetails",
     "longName": "9955584 - Disclosure - Legal proceedings (Details)",
     "shortName": "Legal proceedings (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "102",
     "firstAnchor": {
      "contextRef": "c-1",
      "name": "ing:DamagesClaimedInLitigationCase",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1",
      "name": "ing:DamagesClaimedInLitigationCase",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    },
    "R103": {
     "role": "http://www.ing.com/role/BusinessesacquiredanddivestedDisclosureofbusinessacquisitionDetails",
     "longName": "9955585 - Disclosure - Businesses acquired and divested - Disclosure of business acquisition (Details)",
     "shortName": "Businesses acquired and divested - Disclosure of business acquisition (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "103",
     "firstAnchor": {
      "contextRef": "c-385",
      "name": "ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ing:DisclosureInInvestmentsInAssociatesAndJointVenturesExplanatoryTableTextBlock",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1080",
      "name": "ifrs-full:InvestmentsInSubsidiariesJointVenturesAndAssociates",
      "unitRef": "eur",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "-6",
      "ancestors": [
       "span",
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ifrs-full:DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "unique": true
     }
    },
    "R104": {
     "role": "http://www.ing.com/role/BusinessesacquiredanddivestedDetails",
     "longName": "9955586 - Disclosure - Businesses acquired and divested (Details)",
     "shortName": "Businesses acquired and divested (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "104",
     "firstAnchor": {
      "contextRef": "c-1080",
      "name": "ifrs-full:PercentageOfVotingEquityInterestsAcquired",
      "unitRef": "number",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "2",
      "ancestors": [
       "span",
       "div",
       "div",
       "div",
       "td",
       "tr",
       "tbody",
       "table",
       "div",
       "div",
       "ifrs-full:DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true
     },
     "uniqueAnchor": null
    },
    "R105": {
     "role": "http://www.ing.com/role/SubsequenteventsDetails",
     "longName": "9955587 - Disclosure - Subsequent events (Details)",
     "shortName": "Subsequent events (Details)",
     "isDefault": "false",
     "groupType": "disclosure",
     "subGroupType": "details",
     "menuCat": "Details",
     "order": "105",
     "firstAnchor": {
      "contextRef": "c-1083",
      "name": "ifrs-full:PercentageOfVotingEquityInterestsAcquired",
      "unitRef": "number",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "2",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "c-1083",
      "name": "ifrs-full:PercentageOfVotingEquityInterestsAcquired",
      "unitRef": "number",
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": "2",
      "ancestors": [
       "span",
       "div",
       "ix:continuation",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "ing-20260630.htm",
      "first": true,
      "unique": true
     }
    }
   },
   "tag": {
    "ing_AAACreditGradesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "AAACreditGradesMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "1 (AAA)",
        "label": "AAA Credit Grades [Member]",
        "documentation": "AAA credit Grades."
       }
      }
     },
     "auth_ref": []
    },
    "ing_AACreditGradesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "AACreditGradesMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2-4 (AA)",
        "label": "AA Credit Grades [Member]",
        "documentation": "AA credit grades."
       }
      }
     },
     "auth_ref": []
    },
    "ing_ABSPortfolioMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ABSPortfolioMember",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ABS portfolio",
        "label": "ABS Portfolio [Member]",
        "documentation": "ABS portfolio."
       }
      }
     },
     "auth_ref": []
    },
    "ing_ACreditGradesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ACreditGradesMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "5-7 (A)",
        "label": "A Credit Grades [Member]",
        "documentation": "A credit grades."
       }
      }
     },
     "auth_ref": []
    },
    "country_AU": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/country/2025",
     "localname": "AU",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Australia",
        "label": "AUSTRALIA"
       }
      }
     },
     "auth_ref": []
    },
    "currency_AUD": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/currency/2025",
     "localname": "AUD",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Australia, Dollars",
        "label": "Australia, Dollars"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AccumulatedDepreciationAndAmortisationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AccumulatedDepreciationAndAmortisationMember",
     "presentation": [
      "http://www.ing.com/role/IntangibleassetsScheduleofchangesinintangibleassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Accumulated amortisation",
        "label": "Accumulated depreciation and amortisation [member]"
       }
      }
     },
     "auth_ref": [
      "r9",
      "r369",
      "r372",
      "r379",
      "r380"
     ]
    },
    "ing_AccumulatedImpairmentLosses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "AccumulatedImpairmentLosses",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Accumulated impairment losses",
        "label": "Accumulated Impairment Losses",
        "documentation": "Accumulated Impairment Losses"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AccumulatedImpairmentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AccumulatedImpairmentMember",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryoffinancialassetsatfairvaluethroughothercomprehensiveincomeDetails",
      "http://www.ing.com/role/IntangibleassetsScheduleofchangesinintangibleassetsDetails",
      "http://www.ing.com/role/LoansandadvancestocustomersDetails",
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails",
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails",
      "http://www.ing.com/role/RiskmanagementManagementadjustmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Provisions",
        "verboseLabel": "Accumulated impairments",
        "label": "Accumulated impairment [member]"
       }
      }
     },
     "auth_ref": [
      "r111",
      "r129",
      "r241",
      "r344",
      "r369",
      "r372",
      "r379",
      "r380"
     ]
    },
    "ing_AcquisitionOfSingularBankMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "AcquisitionOfSingularBankMember",
     "presentation": [
      "http://www.ing.com/role/SubsequenteventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Acquisition of investments",
        "label": "Acquisition of Singular Bank [Member]",
        "documentation": "Acquisition of Singular Bank"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AcquisitiondateFairValueOfEquityInterestInAcquireeHeldByAcquirerImmediatelyBeforeAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AcquisitiondateFairValueOfEquityInterestInAcquireeHeldByAcquirerImmediatelyBeforeAcquisitionDate",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/BusinessesacquiredanddivestedDisclosureofbusinessacquisitionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fair value of pre-existing interest (45%)",
        "label": "Acquisition-date fair value of equity interest in acquiree held by acquirer immediately before acquisition date"
       }
      },
      "en": {
       "role": {
        "documentation": "The acquisition-date fair value of equity interest in the acquiree held by the acquirer immediately before the acquisition date in a business combination achieved in stages. [Refer: Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r108"
     ]
    },
    "ing_AdditionReversalOfProvisionsNet": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "AdditionReversalOfProvisionsNet",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails": {
       "parentTag": "ifrs-full_OtherExpenseByNature",
       "weight": 1.0,
       "order": 12.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Additions and releases of provisions",
        "label": "Addition (Reversal) Of Provisions, Net",
        "documentation": "Addition (Reversal) Of Provisions, Net"
       }
      }
     },
     "auth_ref": []
    },
    "ing_AdditionalProvisionsLegalProvisions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "AdditionalProvisionsLegalProvisions",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/LegalproceedingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Increase in legal proceedings provision",
        "label": "Additional Provisions, Legal Provisions",
        "documentation": "Additional Provisions, Legal Provisions"
       }
      }
     },
     "auth_ref": []
    },
    "ing_AdditionalTierOneCapital": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "AdditionalTierOneCapital",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails": {
       "parentTag": "ing_TierOneCapitalAmount",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Additional Tier 1 securities",
        "label": "Additional Tier One Capital",
        "documentation": "Additional Tier One Capital"
       }
      }
     },
     "auth_ref": []
    },
    "ing_AdditionalTierOneRegulatoryAdjustments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "AdditionalTierOneRegulatoryAdjustments",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails": {
       "parentTag": "ing_TierOneCapitalAmount",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Regulatory adjustments additional Tier 1",
        "label": "Additional tier one regulatory adjustments",
        "documentation": "Additional tier one regulatory adjustments"
       }
      }
     },
     "auth_ref": []
    },
    "ing_AdditionsInInvestmentsInAssociatesAndJointVentures": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "AdditionsInInvestmentsInAssociatesAndJointVentures",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofchangesininvestmentsinassociatesandjointventuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Additions",
        "label": "Additions in Investments in associates and joint ventures",
        "documentation": "Additions in investments in associates and joint ventures."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/IntangibleassetsScheduleofchangesinintangibleassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Additions",
        "label": "Additions other than through business combinations, intangible assets other than goodwill"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of additions to intangible assets other than goodwill, other than those acquired through business combinations. [Refer: Total for all business combinations [member]; Intangible assets other than goodwill]"
       }
      }
     },
     "auth_ref": [
      "r36",
      "r210"
     ]
    },
    "ifrs-full_AdjustedWeightedAverageShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustedWeightedAverageShares",
     "calculation": {
      "http://www.ing.com/role/EarningsperordinaryshareDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/EarningsperordinaryshareDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Diluted earnings (in shares)",
        "label": "Weighted average number of ordinary shares used in calculating diluted earnings per share"
       }
      },
      "en": {
       "role": {
        "documentation": "The weighted average number of ordinary shares outstanding plus the weighted average number of ordinary shares that would be issued on the conversion of all the dilutive potential ordinary shares into ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r25"
     ]
    },
    "ing_AdjustmentOfEUIAS39CarveOut": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "AdjustmentOfEUIAS39CarveOut",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodReconciliationshareholdersequityunderIFRSEUandIFRSIASBDetails": {
       "parentTag": "ing_EffectOfEUIAS39CarveOutAdjustmentAfterTax",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodReconciliationshareholdersequityunderIFRSEUandIFRSIASBDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Adjustment of the EU IAS 39 carve-out",
        "label": "Adjustment of EU IAS 39 Carve-Out",
        "documentation": "Adjustment of EU IAS 39 Carve-Out"
       }
      }
     },
     "auth_ref": []
    },
    "ing_AdjustmentOfEuIas39CarveOutMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "AdjustmentOfEuIas39CarveOutMember",
     "presentation": [
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofreconciliationbetweenIFRSandunderlyingincomeexpensesandnetresultDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Adjustment of the EU 'IAS 39 carve out'",
        "terseLabel": "EU IAS 39 carve out impact",
        "label": "Adjustment of the EU IAS 39 carve out [Member]",
        "documentation": "This member represents adjustments of the EU IAS 39 carve out."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AdjustmentsForDecreaseIncreaseInFinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionOrSubsequently": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForDecreaseIncreaseInFinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionOrSubsequently",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "\u2013\u00a0\u00a0Assets designated at fair value through profit or loss",
        "label": "Adjustments for decrease (increase) in financial assets at fair value through profit or loss, designated upon initial recognition or subsequently"
       }
      },
      "en": {
       "role": {
        "documentation": "Adjustments for decrease (increase) in financial assets at fair value through profit or loss that were designated upon initial recognition or subsequently to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Financial assets; Financial assets at fair value through profit or loss, designated upon initial recognition or subsequently; Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r384"
     ]
    },
    "ifrs-full_AdjustmentsForDecreaseIncreaseInFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForDecreaseIncreaseInFinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0,
       "order": 9.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "\u2013\u00a0\u00a0Assets mandatorily at fair value through profit or loss",
        "label": "Adjustments for decrease (increase) in financial assets at fair value through profit or loss, mandatorily measured at fair value"
       }
      },
      "en": {
       "role": {
        "documentation": "Adjustments for decrease (increase) in financial assets at fair value through profit or loss that are mandatorily measured at fair value to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Financial assets; Financial assets at fair value through profit or loss, mandatorily measured at fair value; Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r384"
     ]
    },
    "ifrs-full_AdjustmentsForDecreaseIncreaseInFinancialAssetsHeldForTrading": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForDecreaseIncreaseInFinancialAssetsHeldForTrading",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0,
       "order": 17.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "\u2013\u00a0\u00a0Trading assets",
        "label": "Adjustments for decrease (increase) in financial assets held for trading"
       }
      },
      "en": {
       "role": {
        "documentation": "Adjustments for decrease (increase) in financial assets held for trading to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Financial assets; Financial assets at fair value through profit or loss, classified as held for trading; Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r384"
     ]
    },
    "ifrs-full_AdjustmentsForDecreaseIncreaseInLoansAndAdvancesToBanks": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForDecreaseIncreaseInLoansAndAdvancesToBanks",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "\u2013\u00a0\u00a0Loans and advances to banks, not available on demand",
        "label": "Adjustments for decrease (increase) in loans and advances to banks"
       }
      },
      "en": {
       "role": {
        "documentation": "Adjustments for decrease (increase) in loans and advances to banks to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Loans and advances to banks; Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r384"
     ]
    },
    "ifrs-full_AdjustmentsForDecreaseIncreaseInLoansAndAdvancesToCustomers": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForDecreaseIncreaseInLoansAndAdvancesToCustomers",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0,
       "order": 8.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "\u2013\u00a0\u00a0Loans and advances to customers",
        "label": "Adjustments for decrease (increase) in loans and advances to customers"
       }
      },
      "en": {
       "role": {
        "documentation": "Adjustments for decrease (increase) in loans and advances to customers to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Loans and advances to customers; Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r384"
     ]
    },
    "ifrs-full_AdjustmentsForDecreaseIncreaseInOtherAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForDecreaseIncreaseInOtherAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0,
       "order": 15.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "\u2013\u00a0\u00a0Other assets",
        "label": "Adjustments for decrease (increase) in other assets"
       }
      },
      "en": {
       "role": {
        "documentation": "Adjustments for decrease (increase) in other assets to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Other assets; Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r384"
     ]
    },
    "ifrs-full_AdjustmentsForDepreciationAndAmortisationExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForDepreciationAndAmortisationExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0,
       "order": 18.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "\u2013 Depreciation and amortisation",
        "label": "Adjustments for depreciation and amortisation expense"
       }
      }
     },
     "auth_ref": [
      "r383"
     ]
    },
    "ifrs-full_AdjustmentsForFairValueGainsLosses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForFairValueGainsLosses",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0,
       "order": 10.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSummaryofvaluationadjustmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "\u2013 Revaluations",
        "terseLabel": "Total Valuation Adjustments",
        "label": "Adjustments for fair value losses (gains)"
       }
      }
     },
     "auth_ref": [
      "r383"
     ]
    },
    "ifrs-full_AdjustmentsForIncreaseDecreaseInDepositsFromBanks": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForIncreaseDecreaseInDepositsFromBanks",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0,
       "order": 12.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "\u2013\u00a0\u00a0Deposits from banks, not payable on demand",
        "label": "Adjustments for increase (decrease) in deposits from banks"
       }
      },
      "en": {
       "role": {
        "documentation": "Adjustments for increase (decrease) in deposits from banks to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Deposits from banks; Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r384"
     ]
    },
    "ifrs-full_AdjustmentsForIncreaseDecreaseInDepositsFromCustomers": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForIncreaseDecreaseInDepositsFromCustomers",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0,
       "order": 16.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "\u2013 \u00a0Customer deposits",
        "label": "Adjustments for increase (decrease) in deposits from customers"
       }
      },
      "en": {
       "role": {
        "documentation": "Adjustments for increase (decrease) in deposits from customers to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Deposits from customers; Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r384"
     ]
    },
    "ifrs-full_AdjustmentsForIncreaseDecreaseInFinancialLiabilitiesHeldForTrading": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForIncreaseDecreaseInFinancialLiabilitiesHeldForTrading",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0,
       "order": 14.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "\u2013\u00a0 Trading liabilities",
        "label": "Adjustments for increase (decrease) in financial liabilities held for trading"
       }
      },
      "en": {
       "role": {
        "documentation": "Adjustments for increase (decrease) in financial liabilities held for trading to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Financial liabilities; Financial liabilities at fair value through profit or loss that meet definition of held for trading; Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r384"
     ]
    },
    "ifrs-full_AdjustmentsForIncreaseDecreaseInFinancialLiabilitiesMeasuredAtFairValueThroughProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForIncreaseDecreaseInFinancialLiabilitiesMeasuredAtFairValueThroughProfitOrLoss",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0,
       "order": 11.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "\u2013\u00a0\u00a0Other financial liabilities at fair value through profit or loss",
        "label": "Adjustments for increase (decrease) in financial liabilities measured at fair value through profit or loss"
       }
      },
      "en": {
       "role": {
        "documentation": "Adjustments for increase (decrease) in financial liabilities measured at fair value through profit or loss to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Financial liabilities; Financial liabilities at fair value through profit or loss; Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r384"
     ]
    },
    "ing_AdjustmentsForIncreaseDecreaseInNonTradingDerivatives": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "AdjustmentsForIncreaseDecreaseInNonTradingDerivatives",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0,
       "order": 13.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "\u2013\u00a0\u00a0Non\u2013trading derivatives",
        "label": "Adjustments For Increase (Decrease) In Non Trading Derivatives",
        "documentation": "Adjustments For Increase (Decrease) In Non Trading Derivatives"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AdjustmentsForIncreaseDecreaseInOtherLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForIncreaseDecreaseInOtherLiabilities",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "\u2013\u00a0\u00a0Provisions and other liabilities",
        "label": "Adjustments for increase (decrease) in other liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "Adjustments for increase (decrease) in other liabilities to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Other liabilities; Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r384"
     ]
    },
    "ifrs-full_AdjustmentsForProvisions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForProvisions",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "\u2013 Addition to loan loss provisions",
        "label": "Adjustments for provisions"
       }
      }
     },
     "auth_ref": [
      "r383"
     ]
    },
    "ifrs-full_AdjustmentsForReconcileProfitLossAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForReconcileProfitLossAbstract",
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Adjusted for:",
        "label": "Adjustments to reconcile profit (loss) [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AdjustmentsForUnrealisedForeignExchangeLossesGains": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AdjustmentsForUnrealisedForeignExchangeLossesGains",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "\u2013 Exchange rate differences and other",
        "label": "Adjustments for unrealised foreign exchange losses (gains)"
       }
      }
     },
     "auth_ref": [
      "r321",
      "r383"
     ]
    },
    "currency_AllCurrenciesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/currency/2025",
     "localname": "AllCurrenciesDomain",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "All Currencies [Domain]",
        "label": "All Currencies [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_AllowanceForCreditLossesRecognisedInProfitLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "AllowanceForCreditLossesRecognisedInProfitLoss",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss": {
       "parentTag": "ifrs-full_ExpenseByNature",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails": {
       "parentTag": "ifrs-full_ExpenseByNature",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss",
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Addition to loan loss provisions",
        "label": "Allowance For Credit Losses Recognised In Profit (Loss)",
        "documentation": "Allowance For Credit Losses Recognised In Profit (Loss)"
       }
      }
     },
     "auth_ref": []
    },
    "dei_AmendmentFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "AmendmentFlag",
     "presentation": [
      "http://www.ing.com/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Amendment Flag",
        "label": "Amendment Flag",
        "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AmortisationExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AmortisationExpense",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofchangesinfairvaluethroughothercomprehensiveincomefinancialassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Amortisation",
        "label": "Amortisation expense"
       }
      }
     },
     "auth_ref": [
      "r402"
     ]
    },
    "ifrs-full_AmortisationIntangibleAssetsOtherThanGoodwill": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AmortisationIntangibleAssetsOtherThanGoodwill",
     "presentation": [
      "http://www.ing.com/role/IntangibleassetsScheduleofchangesinintangibleassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Amortisation",
        "label": "Amortisation, intangible assets other than goodwill"
       }
      }
     },
     "auth_ref": [
      "r37",
      "r211"
     ]
    },
    "ing_AmountOfFinancialLiabilitiesDesignedToBeFullyNeutral": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "AmountOfFinancialLiabilitiesDesignedToBeFullyNeutral",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financial Liabilities designed to be fully neutral in terms of market risk",
        "label": "Amount of financial liabilities designed to be fully neutral",
        "documentation": "Amount of financial liabilities designed to be fully neutral."
       }
      }
     },
     "auth_ref": []
    },
    "ing_AmountOfRiskNeutralDesignedFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "AmountOfRiskNeutralDesignedFinancialAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Amount of risk neutral designed financial assets",
        "label": "Amount of risk neutral designed financial assets",
        "documentation": "Amount of financial assets designed to be fully neutral."
       }
      }
     },
     "auth_ref": []
    },
    "ing_AssetClassCategoryAverageThresholdInvestmentGradeExplanatoryTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "AssetClassCategoryAverageThresholdInvestmentGradeExplanatoryTableTextBlock",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Asset class category average threshold investment grade",
        "label": "Asset Class Category Average Threshold Investment Grade Explanatory [Table Text Block]",
        "documentation": "Asset Class Category Average Threshold Investment Grade Explanatory [Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_Assets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Assets",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total assets",
        "label": "Assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of a present economic resource controlled by the entity as a result of past events. Economic resource is a right that has the potential to produce economic benefits."
       }
      }
     },
     "auth_ref": [
      "r85",
      "r86",
      "r93",
      "r152",
      "r156",
      "r251",
      "r252",
      "r288"
     ]
    },
    "ifrs-full_AssetsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AssetsAbstract",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Assets",
        "label": "Assets [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_AssociatesAndJointVenturesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "AssociatesAndJointVenturesMember",
     "presentation": [
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresAdditionalinformationDetails",
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofchangesininvestmentsinassociatesandjointventuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Associates and joint ventures",
        "label": "Associates and joint ventures [member]",
        "documentation": "Associates and joint ventures."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_AssociatesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AssociatesMember",
     "presentation": [
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresAdditionalinformationDetails",
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofinvestmentsinassociatesandjointventuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Total for all associates",
        "label": "Total for all associates [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the entities over which the investor has significant influence."
       }
      }
     },
     "auth_ref": [
      "r12",
      "r18",
      "r20",
      "r84",
      "r200",
      "r249"
     ]
    },
    "ifrs-full_AuditorsRemunerationForAuditServices": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "AuditorsRemunerationForAuditServices",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails": {
       "parentTag": "ifrs-full_OtherExpenseByNature",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Audit and supervisory fees",
        "label": "Auditor's remuneration for audit services"
       }
      }
     },
     "auth_ref": [
      "r402"
     ]
    },
    "ing_AverageThresholdRatio": {
     "xbrltype": "pureItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "AverageThresholdRatio",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementQuantitativeSICRthresholdsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Average threshold ratio",
        "label": "Average Threshold Ratio",
        "documentation": "Average Threshold Ratio"
       }
      }
     },
     "auth_ref": []
    },
    "ing_BBBCreditGradesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "BBBCreditGradesMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "8-10 (BBB)",
        "label": "BBB Credit Grades [Member]",
        "documentation": "BBB credit grades."
       }
      }
     },
     "auth_ref": []
    },
    "ing_BBCreditGradesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "BBCreditGradesMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "11-13 (BB)",
        "label": "BB Credit Grades [Member]",
        "documentation": "BB credit grades."
       }
      }
     },
     "auth_ref": []
    },
    "ing_BCreditGradesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "BCreditGradesMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "14-16 (B)",
        "label": "B Credit Grades [Member]",
        "documentation": "B Credit Grades [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "country_BE": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/country/2025",
     "localname": "BE",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "BELGIUM",
        "label": "BELGIUM"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_BalancesOnOtherDepositsFromCustomers": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BalancesOnOtherDepositsFromCustomers",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/CustomerdepositsScheduleofcustomerdepositsDetails": {
       "parentTag": "ifrs-full_DepositsFromCustomers",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/CustomerdepositsScheduleofcustomerdepositsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other",
        "label": "Balances on other deposits from customers"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of balances in customers' deposit accounts held by the entity that the entity does not separately disclose in the same statement or note."
       }
      }
     },
     "auth_ref": [
      "r402"
     ]
    },
    "ing_BankOfBeijingMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "BankOfBeijingMember",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Bank of Beijing",
        "label": "Bank Of Beijing [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_BankingActivitiesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "BankingActivitiesMember",
     "presentation": [
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Segments banking activities",
        "label": "Banking Activities [Member]",
        "documentation": "Banking activities."
       }
      }
     },
     "auth_ref": []
    },
    "ing_BaselineMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "BaselineMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Baseline scenario",
        "label": "Baseline Scenario [Member]",
        "documentation": "An external consensus forecast is assembled from key sources, including HM Treasury, Bloomberg and the Urban Land Institute."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_BasicEarningsLossPerShare": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BasicEarningsLossPerShare",
     "calculation": {
      "http://www.ing.com/role/EarningsperordinaryshareDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss",
      "http://www.ing.com/role/EarningsperordinaryshareDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Basic earnings per ordinary share (in EUR per share)",
        "totalLabel": "Basic earnings (in EUR per share)",
        "label": "Basic earnings (loss) per share"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator) divided by the weighted average number of ordinary shares outstanding during the period (the denominator)."
       }
      }
     },
     "auth_ref": [
      "r22",
      "r23"
     ]
    },
    "ifrs-full_BasicEarningsLossPerShareFromContinuingOperations": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BasicEarningsLossPerShareFromContinuingOperations",
     "calculation": {
      "http://www.ing.com/role/EarningsperordinaryshareDetails": {
       "parentTag": "ifrs-full_BasicEarningsLossPerShare",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "lang": {
      "en": {
       "role": {
        "documentation": "Basic earnings (loss) per share from continuing operations. [Refer: Basic earnings (loss) per share; Continuing operations, unless line item indicates otherwise [member]]"
       }
      }
     },
     "auth_ref": [
      "r22",
      "r23"
     ]
    },
    "ing_BasisOfPreparationAndAccountingPoliciesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "BasisOfPreparationAndAccountingPoliciesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Basis of preparation and accounting policies [abstract]",
        "label": "Basis of Preparation and Accounting Policies [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_BidofferMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "BidofferMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSummaryofvaluationadjustmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Bid/Offer",
        "label": "Bid/Offer [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_BottomOfRangeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BottomOfRangeMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Minimum",
        "label": "Bottom of range [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the bottom of a range."
       }
      }
     },
     "auth_ref": [
      "r59",
      "r98",
      "r104",
      "r106",
      "r183",
      "r327",
      "r329",
      "r391"
     ]
    },
    "ifrs-full_BusinessCombinationsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BusinessCombinationsAxis",
     "presentation": [
      "http://www.ing.com/role/BusinessesacquiredanddivestedDetails",
      "http://www.ing.com/role/BusinessesacquiredanddivestedDisclosureofbusinessacquisitionDetails",
      "http://www.ing.com/role/IntangibleassetsAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Business combinations [axis]",
        "label": "Business combinations [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r110",
      "r222"
     ]
    },
    "ifrs-full_BusinessCombinationsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "BusinessCombinationsDomain",
     "presentation": [
      "http://www.ing.com/role/BusinessesacquiredanddivestedDetails",
      "http://www.ing.com/role/BusinessesacquiredanddivestedDisclosureofbusinessacquisitionDetails",
      "http://www.ing.com/role/IntangibleassetsAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Business combinations [domain]",
        "label": "Business combinations [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Business combinations' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r110",
      "r112",
      "r222"
     ]
    },
    "ing_BusinessLendingMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "BusinessLendingMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementQuantitativeSICRthresholdsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Business lending",
        "label": "Business Lending [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_BusinessesAcquiredAndDivestedAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "BusinessesAcquiredAndDivestedAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Consolidated companies and businesses acquired and divested [abstract]",
        "label": "Businesses Acquired and Divested [Abstract]",
        "documentation": "Assets and liabilities held for sale [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_CCreditGradesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CCreditGradesMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "19 (C)",
        "label": "C Credit Grades [Member]",
        "documentation": "C Credit Grades"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CancellationOfTreasuryShares": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CancellationOfTreasuryShares",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofchangesinequity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Share buyback programmes, cancellation of shares",
        "label": "Cancellation of treasury shares"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of treasury stock cancelled during the period. [Refer: Treasury shares]"
       }
      }
     },
     "auth_ref": [
      "r400"
     ]
    },
    "ing_Capital1": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "Capital1",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Available Total capital",
        "label": "Capital1",
        "documentation": "The amount of total capital as defined in the regulations."
       }
      }
     },
     "auth_ref": []
    },
    "ing_CapitalManagementAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CapitalManagementAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure Of Capital Management [Abstract]",
        "label": "Capital Management [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_CapitalRatio": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CapitalRatio",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Total capital ratio",
        "label": "Capital ratio",
        "documentation": "Capital ratio"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CapitalRequirementsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CapitalRequirementsAxis",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Capital requirements [axis]",
        "label": "Capital requirements [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r278"
     ]
    },
    "ifrs-full_CapitalRequirementsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CapitalRequirementsDomain",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Capital Requirements [Member]",
        "label": "Capital requirements [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for capital requirements that the entity is subject to. It also represents the standard value for the 'Capital requirements' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r278"
     ]
    },
    "ing_CarryingAmount1Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CarryingAmount1Member",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Carrying Amount",
        "label": "Carrying amount1 [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryoffinancialassetsatfairvaluethroughothercomprehensiveincomeDetails",
      "http://www.ing.com/role/IntangibleassetsScheduleofchangesinintangibleassetsDetails",
      "http://www.ing.com/role/LoansandadvancestocustomersDetails",
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails",
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails",
      "http://www.ing.com/role/RiskmanagementManagementadjustmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]",
        "label": "Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r7",
      "r8",
      "r35",
      "r38",
      "r44",
      "r45",
      "r46",
      "r47",
      "r48",
      "r111",
      "r129",
      "r130",
      "r197",
      "r198",
      "r209",
      "r212",
      "r214",
      "r215",
      "r216",
      "r217",
      "r218",
      "r223",
      "r241",
      "r243"
     ]
    },
    "ifrs-full_CarryingAmountMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CarryingAmountMember",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryoffinancialassetsatfairvaluethroughothercomprehensiveincomeDetails",
      "http://www.ing.com/role/IntangibleassetsScheduleofchangesinintangibleassetsDetails",
      "http://www.ing.com/role/LoansandadvancestocustomersDetails",
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails",
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails",
      "http://www.ing.com/role/RiskmanagementManagementadjustmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Carrying amount",
        "label": "Carrying amount [member]"
       }
      }
     },
     "auth_ref": [
      "r8",
      "r38",
      "r44",
      "r46",
      "r47",
      "r111",
      "r129",
      "r130",
      "r198",
      "r212",
      "r214",
      "r216",
      "r217",
      "r223",
      "r241",
      "r243"
     ]
    },
    "ifrs-full_CashAndBankBalancesAtCentralBanks": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashAndBankBalancesAtCentralBanks",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashAndCashEquivalents",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0,
       "order": 11.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition",
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Cash and balances with central banks",
        "terseLabel": "Cash and balances with central banks",
        "label": "Cash and bank balances at central banks"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of cash and bank balances held at central banks."
       }
      }
     },
     "auth_ref": [
      "r405"
     ]
    },
    "ifrs-full_CashAndCashEquivalents": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashAndCashEquivalents",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "periodStartLabel": "Cash and cash equivalents at beginning of the period",
        "periodEndLabel": "Cash and cash equivalents at end of the period",
        "totalLabel": "Cash and cash equivalents at end of the period",
        "label": "Cash and cash equivalents"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]"
       }
      }
     },
     "auth_ref": [
      "r60",
      "r78",
      "r184",
      "r282"
     ]
    },
    "ifrs-full_CashAndCashEquivalentsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashAndCashEquivalentsAbstract",
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Cash and cash equivalents",
        "label": "Cash and cash equivalents [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_CashAndCashEquivalentsDepositsFromBanksOrLoansAndAdvancesToBanks": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CashAndCashEquivalentsDepositsFromBanksOrLoansAndAdvancesToBanks",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashAndCashEquivalents",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Loans and advances to banks",
        "label": "Cash And Cash Equivalents Deposits From Banks Or Loans And Advances To Banks",
        "documentation": "Cash and cash equivalents deposits from banks or loans and advances to banks."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CashFlowHedgesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowHedgesMember",
     "presentation": [
      "http://www.ing.com/role/ValuationresultsandnettradingincomeSummaryofvaluationresultsandnettradingincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "\u2013\u00a0 cash flow hedges (ineffective portion)",
        "label": "Cash flow hedges [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for hedges of the exposure to variability in cash flows that (a) are attributable to a particular risk associated with a recognised asset or liability (such as all or some future interest payments on variable rate debt) or a highly probable forecast transaction; and (b) could affect profit or loss. [Refer: Types of hedges [domain]]"
       }
      }
     },
     "auth_ref": [
      "r42",
      "r119",
      "r120",
      "r121",
      "r235",
      "r236",
      "r237"
     ]
    },
    "ing_CashFlowsFromInvestingActivitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CashFlowsFromInvestingActivitiesAbstract",
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disposals and redemptions:",
        "label": "Cash Flows From Investing Activities [Abstract]",
        "documentation": "Cash Flows From Investing Activities"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CashFlowsFromUsedInFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowsFromUsedInFinancingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Net cash flow from/(used in) financing activities",
        "label": "Cash flows from (used in) financing activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash flows from (used in) financing activities, which are activities that result in changes in the size and composition of the contributed equity and borrowings of the entity, from continuing and discontinued operations."
       }
      }
     },
     "auth_ref": [
      "r49",
      "r61"
     ]
    },
    "ifrs-full_CashFlowsFromUsedInFinancingActivitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowsFromUsedInFinancingActivitiesAbstract",
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Cash flows from financing activities",
        "label": "Cash flows from (used in) financing activities [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CashFlowsFromUsedInInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowsFromUsedInInvestingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Net cash flow from/(used in) investing activities",
        "label": "Cash flows from (used in) investing activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash flows from (used in) investing activities, which are the acquisition and disposal of long-term assets and other investments not included in cash equivalents, from continuing and discontinued operations."
       }
      }
     },
     "auth_ref": [
      "r49",
      "r61"
     ]
    },
    "ifrs-full_CashFlowsFromUsedInInvestingActivitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowsFromUsedInInvestingActivitiesAbstract",
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Cash flows from investing activities",
        "label": "Cash flows from (used in) investing activities [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CashFlowsFromUsedInOperatingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowsFromUsedInOperatingActivities",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Net cash flow from/(used in) operating activities",
        "label": "Cash flows from (used in) operating activities"
       }
      }
     },
     "auth_ref": [
      "r49",
      "r61"
     ]
    },
    "ifrs-full_CashFlowsFromUsedInOperatingActivitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowsFromUsedInOperatingActivitiesAbstract",
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Cash flows from operating activities",
        "label": "Cash flows from (used in) operating activities [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_CashFlowsUsedInInvestingActivitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CashFlowsUsedInInvestingActivitiesAbstract",
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investments and advances:",
        "label": "Cash Flows Used In Investing Activities [Abstract]",
        "documentation": "Cash Flows Used In Investing Activities"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CashFlowsUsedInObtainingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0,
       "order": 11.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "- Acquisition of subsidiaries, net of cash acquired",
        "label": "Cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The aggregate cash flows used in obtaining control of subsidiaries or other businesses, classified as investing activities. [Refer: Total for all subsidiaries [member]]"
       }
      }
     },
     "auth_ref": [
      "r53"
     ]
    },
    "ing_CashflowsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CashflowsAbstract",
     "presentation": [
      "http://www.ing.com/role/ConsolidatedconsolidatedstatementofcashflowsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Cashflows [Abstract]",
        "label": "Cashflows [Abstract]",
        "documentation": "Cashflows"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CategoriesOfFinancialAssetsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CategoriesOfFinancialAssetsAxis",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails",
      "http://www.ing.com/role/DebtsecuritiesSummaryofsecuritiesDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSensitivityanalysisoflevel3instrumentsDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeAdditionalinformationDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofchangesinfairvaluethroughothercomprehensiveincomefinancialassetsDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryoffinancialassetsatfairvaluethroughothercomprehensiveincomeDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails",
      "http://www.ing.com/role/LoansandadvancestocustomersDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Categories of financial assets [axis]",
        "label": "Categories of financial assets [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r144",
      "r232"
     ]
    },
    "ifrs-full_CategoriesOfFinancialAssetsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CategoriesOfFinancialAssetsDomain",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails",
      "http://www.ing.com/role/DebtsecuritiesSummaryofsecuritiesDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSensitivityanalysisoflevel3instrumentsDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeAdditionalinformationDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofchangesinfairvaluethroughothercomprehensiveincomefinancialassetsDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryoffinancialassetsatfairvaluethroughothercomprehensiveincomeDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails",
      "http://www.ing.com/role/LoansandadvancestocustomersDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Categories of financial assets [domain]",
        "label": "Categories of financial assets [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for aggregated categories of financial assets. It also represents the standard value for the 'Categories of financial assets' axis if no other member is used. [Refer: Financial assets]"
       }
      }
     },
     "auth_ref": [
      "r144",
      "r232"
     ]
    },
    "ifrs-full_CategoriesOfFinancialLiabilitiesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CategoriesOfFinancialLiabilitiesAxis",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Categories of financial liabilities [axis]",
        "label": "Categories of financial liabilities [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r144",
      "r232"
     ]
    },
    "ifrs-full_CategoriesOfFinancialLiabilitiesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CategoriesOfFinancialLiabilitiesDomain",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Categories of financial liabilities [domain]",
        "label": "Categories of financial liabilities [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for aggregated categories of financial liabilities. It also represents the standard value for the 'Categories of financial liabilities' axis if no other member is used. [Refer: Financial assets]"
       }
      }
     },
     "auth_ref": [
      "r144",
      "r232"
     ]
    },
    "ifrs-full_CategoriesOfRelatedPartiesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CategoriesOfRelatedPartiesAxis",
     "presentation": [
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresAdditionalinformationDetails",
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofchangesininvestmentsinassociatesandjointventuresDetails",
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofinvestmentsinassociatesandjointventuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Categories of related parties [axis]",
        "label": "Categories of related parties [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r13",
      "r201"
     ]
    },
    "ifrs-full_CategoriesOfRelatedPartiesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CategoriesOfRelatedPartiesDomain",
     "presentation": [
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresAdditionalinformationDetails",
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofchangesininvestmentsinassociatesandjointventuresDetails",
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofinvestmentsinassociatesandjointventuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Categories of related parties [domain]",
        "label": "Categories of related parties [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Categories of related parties' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r13",
      "r201"
     ]
    },
    "ing_CcCreditGradesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CcCreditGradesMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "18 (CC)",
        "label": "CC Credit Grades [Member]",
        "documentation": "CC Credit Grades"
       }
      }
     },
     "auth_ref": []
    },
    "ing_CcccreditgradesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CcccreditgradesMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "17 (CCC)",
        "label": "CCC Credit Grades [Member]",
        "documentation": "CCC Credit Grades."
       }
      }
     },
     "auth_ref": []
    },
    "ing_CentralBankBondsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CentralBankBondsMember",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Central bank bonds",
        "label": "Central Bank Bonds [Member]",
        "documentation": "Central Bank Bonds"
       }
      }
     },
     "auth_ref": []
    },
    "ing_CertainConsumerCreditProductsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CertainConsumerCreditProductsMember",
     "presentation": [
      "http://www.ing.com/role/LegalproceedingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Certain consumer credit products",
        "label": "Certain Consumer Credit Products [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ChangesInCompositionOfGroupAndOtherChanges": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ChangesInCompositionOfGroupAndOtherChanges",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Changes in the composition of the group and other changes",
        "label": "Changes in composition of group and other changes",
        "documentation": "Changes in composition of group and other changes."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ChangesInEquity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ChangesInEquity",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Increase (decrease) in equity",
        "label": "Increase (decrease) in equity"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in equity. [Refer: Equity]"
       }
      }
     },
     "auth_ref": [
      "r274"
     ]
    },
    "ifrs-full_ChangesInEquityAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ChangesInEquityAbstract",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofchangesinequity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Changes in equity [abstract]",
        "label": "Changes in equity [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ChangesInGoodwill": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ChangesInGoodwill",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/IntangibleassetsAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Increase (decrease) in goodwill",
        "label": "Increase (decrease) in goodwill"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in goodwill. [Refer: Goodwill]"
       }
      }
     },
     "auth_ref": [
      "r111",
      "r223"
     ]
    },
    "ifrs-full_ChangesInLiabilitiesArisingFromFinancingActivitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ChangesInLiabilitiesArisingFromFinancingActivitiesAbstract",
     "presentation": [
      "http://www.ing.com/role/ConsolidatedconsolidatedstatementofcashflowsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Changes in liabilities arising from financing activities",
        "label": "Changes in liabilities arising from financing activities [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ChangesInLoanLossProvisionsAndGrossCarryingAmountsExplanatoryTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ChangesInLoanLossProvisionsAndGrossCarryingAmountsExplanatoryTableTextBlock",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Changes in loan loss provisions and gross carrying amounts",
        "label": "Changes In Loan Loss Provisions and Gross Carrying Amounts Explanatory [Table Text Block]",
        "documentation": "Disclosure of changes in loan loss provisions and gross carrying amounts of financial assets."
       }
      }
     },
     "auth_ref": []
    },
    "ing_ChangesInOperatingAssetsAndLiabilitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ChangesInOperatingAssetsAndLiabilitiesAbstract",
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Changes in:",
        "label": "Changes In Operating Assets And Liabilities [Abstract]",
        "documentation": "Changes In Operating Assets And Liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ChangesInTransferToOrFromRetainedEarnings": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ChangesInTransferToOrFromRetainedEarnings",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Changes in transfer to or (from) retained earnings",
        "label": "Changes In Transfer To Or (From) Retained Earnings",
        "documentation": "Changes in transfer to or from retained earnings."
       }
      }
     },
     "auth_ref": []
    },
    "ing_ClassOfLevel3AssetsAndLiabilitiesByTypeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ClassOfLevel3AssetsAndLiabilitiesByTypeAxis",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Class Of Level 3 Assets And Liabilities By Type [axis]",
        "label": "Class Of Level 3 Assets And Liabilities By Type [axis]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ClassOfLevel3AssetsAndLiabilitiesByTypeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ClassOfLevel3AssetsAndLiabilitiesByTypeDomain",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Class Of Level 3 Assets And Liabilities By Type [Domain]",
        "label": "Class Of Level 3 Assets And Liabilities By Type [Domain]",
        "documentation": "Class Of Level 3 Assets And Liabilities By Type [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ClassesOfAssetsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfAssetsAxis",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails",
      "http://www.ing.com/role/DebtsecuritiesSummaryofsecuritiesDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSensitivityanalysisoflevel3instrumentsDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeAdditionalinformationDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofchangesinfairvaluethroughothercomprehensiveincomefinancialassetsDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryoffinancialassetsatfairvaluethroughothercomprehensiveincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Classes of assets [axis]",
        "label": "Classes of assets [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r29",
      "r31",
      "r95",
      "r102",
      "r171",
      "r206",
      "r255"
     ]
    },
    "ifrs-full_ClassesOfAssetsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfAssetsDomain",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails",
      "http://www.ing.com/role/DebtsecuritiesSummaryofsecuritiesDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSensitivityanalysisoflevel3instrumentsDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeAdditionalinformationDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofchangesinfairvaluethroughothercomprehensiveincomefinancialassetsDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryoffinancialassetsatfairvaluethroughothercomprehensiveincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Classes of assets [domain]",
        "label": "Classes of assets [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a present economic resource controlled by the entity as a result of past events. Economic resource is a right that has the potential to produce economic benefits. It also represents the standard value for the 'Classes of assets' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r29",
      "r95",
      "r102",
      "r171",
      "r206",
      "r255"
     ]
    },
    "ifrs-full_ClassesOfFinancialAssetsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfFinancialAssetsAxis",
     "presentation": [
      "http://www.ing.com/role/EquitySummaryofequityDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesAdditionalinformationDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails",
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails",
      "http://www.ing.com/role/RiskmanagementQuantitativeSICRthresholdsDetails",
      "http://www.ing.com/role/ValuationresultsandnettradingincomeAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Classes of financial assets [axis]",
        "label": "Classes of financial assets [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r105",
      "r137",
      "r138",
      "r166",
      "r167",
      "r267"
     ]
    },
    "ifrs-full_ClassesOfFinancialAssetsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfFinancialAssetsDomain",
     "presentation": [
      "http://www.ing.com/role/EquitySummaryofequityDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesAdditionalinformationDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails",
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails",
      "http://www.ing.com/role/RiskmanagementQuantitativeSICRthresholdsDetails",
      "http://www.ing.com/role/ValuationresultsandnettradingincomeAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Classes of financial assets [domain]",
        "label": "Classes of financial assets [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for aggregated classes of financial assets. It also represents the standard value for the 'Classes of financial assets' axis if no other member is used. [Refer: Financial assets]"
       }
      }
     },
     "auth_ref": [
      "r105",
      "r137",
      "r138",
      "r166",
      "r167",
      "r267"
     ]
    },
    "ifrs-full_ClassesOfFinancialInstrumentsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfFinancialInstrumentsAxis",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails",
      "http://www.ing.com/role/LoansandadvancestocustomersDetails",
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Classes of financial instruments [axis]",
        "label": "Classes of financial instruments [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r129",
      "r131",
      "r135",
      "r136",
      "r241",
      "r247"
     ]
    },
    "ifrs-full_ClassesOfFinancialInstrumentsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfFinancialInstrumentsDomain",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails",
      "http://www.ing.com/role/LoansandadvancestocustomersDetails",
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Classes of financial instruments [domain]",
        "label": "Classes of financial instruments [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for aggregated classes of financial instruments. Financial instruments are contracts that give rise to a financial asset of one entity and a financial liability or equity instrument of another entity. It also represents the standard value for the 'Classes of financial instruments' axis if no other member is used. [Refer: Financial assets; Financial liabilities]"
       }
      }
     },
     "auth_ref": [
      "r129",
      "r131",
      "r135",
      "r136",
      "r241",
      "r247"
     ]
    },
    "ifrs-full_ClassesOfFinancialLiabilitiesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfFinancialLiabilitiesAxis",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesAdditionalinformationDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Classes of financial liabilities [axis]",
        "label": "Classes of financial liabilities [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r137",
      "r138",
      "r166",
      "r167"
     ]
    },
    "ifrs-full_ClassesOfFinancialLiabilitiesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfFinancialLiabilitiesDomain",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesAdditionalinformationDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Classes of financial liabilities",
        "label": "Classes of financial liabilities [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for aggregated classes financial liabilities. It also represents the standard value for the 'Classes of financial liabilities' axis if no other member is used. [Refer: Financial liabilities]"
       }
      }
     },
     "auth_ref": [
      "r137",
      "r138",
      "r166",
      "r167"
     ]
    },
    "ifrs-full_ClassesOfIntangibleAssetsAndGoodwillAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfIntangibleAssetsAndGoodwillAxis",
     "presentation": [
      "http://www.ing.com/role/IntangibleassetsAdditionalinformationDetails",
      "http://www.ing.com/role/IntangibleassetsScheduleofchangesinintangibleassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Classes of intangible assets and goodwill [axis]",
        "label": "Classes of intangible assets and goodwill [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r377"
     ]
    },
    "ifrs-full_ClassesOfIntangibleAssetsAndGoodwillDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfIntangibleAssetsAndGoodwillDomain",
     "presentation": [
      "http://www.ing.com/role/IntangibleassetsAdditionalinformationDetails",
      "http://www.ing.com/role/IntangibleassetsScheduleofchangesinintangibleassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Classes of intangible assets and goodwill [domain]",
        "label": "Classes of intangible assets and goodwill [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for intangible assets and goodwill. It also represents the standard value for the 'Classes of intangible assets and goodwill' axis if no other member is used. [Refer: Goodwill; Intangible assets other than goodwill]"
       }
      }
     },
     "auth_ref": [
      "r377"
     ]
    },
    "ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfIntangibleAssetsOtherThanGoodwillAxis",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Classes of intangible assets other than goodwill [axis]",
        "label": "Classes of intangible assets other than goodwill [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r39",
      "r213"
     ]
    },
    "ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfIntangibleAssetsOtherThanGoodwillDomain",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Classes of intangible assets other than goodwill [domain]",
        "label": "Classes of intangible assets other than goodwill [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Classes of intangible assets other than goodwill' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r39",
      "r213"
     ]
    },
    "ifrs-full_ClassesOfLiabilitiesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfLiabilitiesAxis",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialliabilitiesDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Classes of liabilities [axis]",
        "label": "Classes of liabilities [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r95",
      "r255"
     ]
    },
    "ifrs-full_ClassesOfLiabilitiesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfLiabilitiesDomain",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialliabilitiesDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Classes of liabilities [domain]",
        "label": "Classes of liabilities [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a present obligation of the entity to transfer an economic resource as a result of past events. Economic resource is a right that has the potential to produce economic benefits. It also represents the standard value for the 'Classes of liabilities' axis if no other member is used. [Refer: Liabilities]"
       }
      }
     },
     "auth_ref": [
      "r95",
      "r255"
     ]
    },
    "ifrs-full_ClassesOfOtherProvisionsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfOtherProvisionsDomain",
     "presentation": [
      "http://www.ing.com/role/LegalproceedingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Classes of other provisions [domain]",
        "label": "Classes of other provisions [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for provisions other than provisions for employee benefits. It also represents the standard value for the 'Classes of other provisions' axis if no other member is used. [Refer: Provisions]"
       }
      }
     },
     "auth_ref": [
      "r34",
      "r208"
     ]
    },
    "ifrs-full_ClassesOfProvisionsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ClassesOfProvisionsAxis",
     "presentation": [
      "http://www.ing.com/role/LegalproceedingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Classes of other provisions [axis]",
        "label": "Classes of other provisions [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r34",
      "r208"
     ]
    },
    "ing_ClassesOfShareCapitalAndSharePremiumMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ClassesOfShareCapitalAndSharePremiumMember",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofchangesinequity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Share capital and share premium",
        "label": "Classes Of Share Capital And Share Premium [Member]",
        "documentation": "Share capital and share premium."
       }
      }
     },
     "auth_ref": []
    },
    "ing_ClimateTransitionRisk": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ClimateTransitionRisk",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/RiskmanagementManagementadjustmentsDetails": {
       "parentTag": "ing_ManagementAdjustments",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementManagementadjustmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Climate transition risk",
        "label": "Climate Transition Risk",
        "documentation": "Climate Transition Risk"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ClimateTransitionRiskIncreaseDecreaseInPerformingExposurePercentage": {
     "xbrltype": "pureItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ClimateTransitionRiskIncreaseDecreaseInPerformingExposurePercentage",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Increase in performing exposure, percentage",
        "label": "Climate Transition Risk, Increase (Decrease) in Performing Exposure Percentage",
        "documentation": "Climate Transition Risk, Increase (Decrease) in Performing Exposure Percentage"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ClimateTransitionRiskPerformingExposurePercentage": {
     "xbrltype": "pureItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ClimateTransitionRiskPerformingExposurePercentage",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Performing exposure, percentage",
        "label": "Climate Transition Risk, Performing Exposure Percentage",
        "documentation": "Climate Transition Risk, Performing Exposure Percentage"
       }
      }
     },
     "auth_ref": []
    },
    "ing_CollvaMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CollvaMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSummaryofvaluationadjustmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "CollVA",
        "label": "CollVA [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_CommodityAndForeignExchangeCorrelationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CommodityAndForeignExchangeCorrelationMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Com/FX correlation",
        "label": "Commodity And Foreign Exchange Correlation [Member]",
        "documentation": "Commodity And Foreign Exchange Correlation"
       }
      }
     },
     "auth_ref": []
    },
    "ing_CommodityVolatilityMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CommodityVolatilityMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Commodity volatility (%)",
        "label": "Commodity Volatility [Member]",
        "documentation": "Commodity volatility."
       }
      }
     },
     "auth_ref": []
    },
    "ing_CommonEquityTier1AmbitionPercent": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CommonEquityTier1AmbitionPercent",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "CET1, ambition",
        "label": "Common Equity Tier 1, Ambition Percent",
        "documentation": "Common Equity Tier 1, Ambition Percent"
       }
      }
     },
     "auth_ref": []
    },
    "ing_CommonEquityTierOneCapitalAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CommonEquityTierOneCapitalAmount",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails": {
       "parentTag": "ing_TierOneCapitalAmount",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Available common equity Tier 1 capital",
        "label": "Common equity tier one capital amount",
        "documentation": "Common equity tier one capital amount"
       }
      }
     },
     "auth_ref": []
    },
    "ing_CommonEquityTierOneCapitalRatio1": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CommonEquityTierOneCapitalRatio1",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Common equity Tier 1 ratio",
        "label": "Common equity tier one capital ratio1",
        "documentation": "Common equity tier one capital ratio"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ComponentsOfEquityAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ComponentsOfEquityAxis",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofchangesinequity",
      "http://www.ing.com/role/EquityAdditionalinformationDetails",
      "http://www.ing.com/role/EquityScheduleofchangesintreasurysharesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Components of equity [axis]",
        "label": "Components of equity [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r275"
     ]
    },
    "ifrs-full_ComponentsOfEquityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ComponentsOfEquityDomain",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofchangesinequity",
      "http://www.ing.com/role/EquityAdditionalinformationDetails",
      "http://www.ing.com/role/EquityScheduleofchangesintreasurysharesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Components of equity [domain]",
        "label": "Components of equity [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the residual interest in the assets of the entity after deducting all its liabilities. It also represents the standard value for the 'Components of equity' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r275"
     ]
    },
    "ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTaxAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossBeforeTaxAbstract",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Items that may subsequently be reclassified to the statement of profit or loss:",
        "label": "Components of other comprehensive income that will be reclassified to profit or loss, before tax [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossBeforeTaxAbstract",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Items that will not be reclassified to the statement of profit or loss:",
        "label": "Components of other comprehensive income that will not be reclassified to profit or loss, before tax [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ComprehensiveIncome",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      },
      "http://www.ing.com/role/CondensedconsolidatedstatementofcomprehensiveincomealternativecalcDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofchangesinequity",
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total comprehensive income",
        "label": "Comprehensive income"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of change in equity resulting from transactions and other events, other than those changes resulting from transactions with owners in their capacity as owners."
       }
      }
     },
     "auth_ref": [
      "r68",
      "r70",
      "r75",
      "r203",
      "r220",
      "r269",
      "r297",
      "r323"
     ]
    },
    "ifrs-full_ComprehensiveIncomeAttributableToAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ComprehensiveIncomeAttributableToAbstract",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Total comprehensive income attributable to:",
        "label": "Comprehensive income attributable to [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ComprehensiveIncomeAttributableToNoncontrollingInterests": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ComprehensiveIncomeAttributableToNoncontrollingInterests",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/CondensedconsolidatedstatementofcomprehensiveincomealternativecalcDetails": {
       "parentTag": "ifrs-full_ComprehensiveIncome",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Non-controlling interests",
        "label": "Comprehensive income, attributable to non-controlling interests"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of comprehensive income attributable to non-controlling interests. [Refer: Comprehensive income; Non-controlling interests]"
       }
      }
     },
     "auth_ref": [
      "r269",
      "r300"
     ]
    },
    "ifrs-full_ComprehensiveIncomeAttributableToOwnersOfParent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ComprehensiveIncomeAttributableToOwnersOfParent",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/CondensedconsolidatedstatementofcomprehensiveincomealternativecalcDetails": {
       "parentTag": "ifrs-full_ComprehensiveIncome",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Shareholders of the parent",
        "label": "Comprehensive income, attributable to owners of parent"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of comprehensive income attributable to owners of the parent. [Refer: Comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r269",
      "r301"
     ]
    },
    "ifrs-full_ComputerSoftwareMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ComputerSoftwareMember",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails",
      "http://www.ing.com/role/IntangibleassetsScheduleofchangesinintangibleassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Software",
        "label": "Computer software [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a class of intangible assets representing computer software. [Refer: Intangible assets other than goodwill]"
       }
      }
     },
     "auth_ref": [
      "r315"
     ]
    },
    "ing_ConclusionOfLitigationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ConclusionOfLitigationMember",
     "presentation": [
      "http://www.ing.com/role/LegalproceedingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Conclusion of litigation",
        "label": "Conclusion Of Litigation [Member]",
        "documentation": "Conclusion Of Litigation"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ConsiderationPaidReceived": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ConsiderationPaidReceived",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/BusinessesacquiredanddivestedDetails",
      "http://www.ing.com/role/BusinessesacquiredanddivestedDisclosureofbusinessacquisitionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Consideration paid",
        "label": "Consideration paid (received)"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of consideration paid or received in respect of both obtaining and losing control of subsidiaries or other businesses. [Refer: Total for all subsidiaries [member]]"
       }
      }
     },
     "auth_ref": [
      "r54"
     ]
    },
    "ifrs-full_ConstantPrepaymentRateMeasurementInputMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ConstantPrepaymentRateMeasurementInputMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Prepayment rate (%)",
        "label": "Constant prepayment rate, measurement input [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the constant prepayment rate used as a measurement input."
       }
      }
     },
     "auth_ref": [
      "r324",
      "r329"
     ]
    },
    "ing_ConsumerLendingMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ConsumerLendingMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementQuantitativeSICRthresholdsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Consumer lending",
        "label": "Consumer Lending [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ContinuingOperationsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ContinuingOperationsAbstract",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Continuing Operations [abstract]",
        "label": "Continuing Operations [abstract]",
        "documentation": "Continuing Operations [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ContributionsToDepositGuaranteeSchemes": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ContributionsToDepositGuaranteeSchemes",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/OtheroperatingexpensesAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Contributions to the deposit guarantee schemes",
        "label": "Contributions to deposit guarantee schemes",
        "documentation": "The portion of regulatory costs that represents contributions to deposit guarantee schemes."
       }
      }
     },
     "auth_ref": []
    },
    "ing_ContributionsToSingleAndLocalResolutionFund": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ContributionsToSingleAndLocalResolutionFund",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/OtheroperatingexpensesAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Contributions to the Single and Local Resolution Funds",
        "label": "Contributions to single and local resolution fund",
        "documentation": "The portion of regulatory costs that represents contributions to Single Resolution Fund."
       }
      }
     },
     "auth_ref": []
    },
    "ing_CorporateBondsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CorporateBondsMember",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Corporate bonds",
        "label": "Corporate bonds [member]",
        "documentation": "This member represents coproate bonds."
       }
      }
     },
     "auth_ref": []
    },
    "ing_CorporateLineBankingMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CorporateLineBankingMember",
     "presentation": [
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Corporate Line",
        "label": "Corporate Line Banking [Member]",
        "documentation": "Corporate line banking."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CorporateLoansMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CorporateLoansMember",
     "presentation": [
      "http://www.ing.com/role/LoansandadvancestocustomersDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Corporate Lending",
        "label": "Loans to corporate entities [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for loans made to corporate entities."
       }
      }
     },
     "auth_ref": [
      "r345",
      "r347",
      "r402"
     ]
    },
    "dei_CoverAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "CoverAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Cover [Abstract]",
        "label": "Cover [Abstract]",
        "documentation": "Cover page."
       }
      }
     },
     "auth_ref": []
    },
    "ing_CoveredBondsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CoveredBondsMember",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Covered bonds",
        "label": "Covered bond [member]",
        "documentation": "This member respresents covered bonds."
       }
      }
     },
     "auth_ref": []
    },
    "ing_CreditDebtSecuritiesLoansStructuredNotesCreditDerivativesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CreditDebtSecuritiesLoansStructuredNotesCreditDerivativesMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSensitivityanalysisoflevel3instrumentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Credit (Debt securities, Loans, structured notes, credit derivatives)",
        "label": "Credit Debt Securities Loans Structured Notes Credit Derivatives [Member]",
        "documentation": "Credit (Debt securities, Loans, structured notes, credit derivatives)."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CreditImpairmentOfFinancialInstrumentsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CreditImpairmentOfFinancialInstrumentsAxis",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails",
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Credit impairment of financial instruments [axis]",
        "label": "Credit impairment of financial instruments [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r129",
      "r135",
      "r241",
      "r247"
     ]
    },
    "ifrs-full_CreditImpairmentOfFinancialInstrumentsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CreditImpairmentOfFinancialInstrumentsDomain",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails",
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Credit impairment of financial instruments [domain]",
        "label": "Credit impairment of financial instruments [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for all statuses of credit impairment of financial instruments. A financial instrument is credit-impaired when one or more events that have a detrimental impact on the estimated future cash flows of that financial instrument have occurred. This member also represents the standard value for the 'Credit impairment of financial instruments' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r129",
      "r135",
      "r241",
      "r247"
     ]
    },
    "ifrs-full_CreditSpreadMeasurementInputMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CreditSpreadMeasurementInputMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Credit spread (bps)",
        "label": "Credit spread, measurement input [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the credit spread used as a measurement input."
       }
      }
     },
     "auth_ref": [
      "r386"
     ]
    },
    "srt_CurrencyAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "CurrencyAxis",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Currency [Axis]",
        "label": "Currency [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_CurrentDepositsFromBanks": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CurrentDepositsFromBanks",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashAndCashEquivalents",
       "weight": -1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Deposits from banks",
        "label": "Current Deposits From Banks",
        "documentation": "Current Deposits From Banks"
       }
      }
     },
     "auth_ref": []
    },
    "dei_CurrentFiscalYearEndDate": {
     "xbrltype": "gMonthDayItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "CurrentFiscalYearEndDate",
     "presentation": [
      "http://www.ing.com/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Current Fiscal Year End Date",
        "label": "Current Fiscal Year End Date",
        "documentation": "End date of current fiscal year in the format --MM-DD."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_CurrentTaxAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentTaxAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Current tax assets",
        "label": "Current tax assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The excess of amount paid for current tax in respect of current and prior periods over the amount due for those periods. Current tax is the amount of income taxes payable (recoverable) in respect of the taxable profit (tax loss) for a period."
       }
      }
     },
     "auth_ref": [
      "r284"
     ]
    },
    "ifrs-full_CurrentTaxLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "CurrentTaxLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_Liabilities",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Current tax liabilities",
        "label": "Current tax liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of current tax for current and prior periods to the extent unpaid. Current tax is the amount of income taxes payable (recoverable) in respect of the taxable profit (tax loss) for a period."
       }
      }
     },
     "auth_ref": [
      "r284"
     ]
    },
    "ing_CustomerDepositsByCustomerAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CustomerDepositsByCustomerAxis",
     "presentation": [
      "http://www.ing.com/role/CustomerdepositsAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Customer Deposits, By Customer [Axis]",
        "label": "Customer Deposits, By Customer [Axis]",
        "documentation": "Customer Deposits, By Customer"
       }
      }
     },
     "auth_ref": []
    },
    "ing_CustomerDepositsByCustomerDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CustomerDepositsByCustomerDomain",
     "presentation": [
      "http://www.ing.com/role/CustomerdepositsAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Customer Deposits, By Customer [Domain]",
        "label": "Customer Deposits, By Customer [Domain]",
        "documentation": "Customer Deposits, By Customer [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_CustomerDepositsCurrentAccountsAndOvernightDeposits": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CustomerDepositsCurrentAccountsAndOvernightDeposits",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/CustomerdepositsScheduleofcustomerdepositsDetails": {
       "parentTag": "ifrs-full_DepositsFromCustomers",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/CustomerdepositsAdditionalinformationDetails",
      "http://www.ing.com/role/CustomerdepositsScheduleofcustomerdepositsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Current accounts / Overnight deposits",
        "label": "Customer Deposits, Current Accounts And Overnight Deposits",
        "documentation": "Customer Deposits, Current Accounts And Overnight Deposits"
       }
      }
     },
     "auth_ref": []
    },
    "ing_CustomerDepositsSavingsAccounts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CustomerDepositsSavingsAccounts",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/CustomerdepositsScheduleofcustomerdepositsDetails": {
       "parentTag": "ifrs-full_DepositsFromCustomers",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/CustomerdepositsAdditionalinformationDetails",
      "http://www.ing.com/role/CustomerdepositsScheduleofcustomerdepositsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Savings accounts",
        "label": "Customer Deposits, Savings Accounts"
       }
      }
     },
     "auth_ref": []
    },
    "ing_CustomerDepositsTimeDeposits": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CustomerDepositsTimeDeposits",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/CustomerdepositsScheduleofcustomerdepositsDetails": {
       "parentTag": "ifrs-full_DepositsFromCustomers",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/CustomerdepositsAdditionalinformationDetails",
      "http://www.ing.com/role/CustomerdepositsScheduleofcustomerdepositsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Time deposits",
        "label": "Customer Deposits, Time Deposits",
        "documentation": "Customer Deposits, Time Deposits"
       }
      }
     },
     "auth_ref": []
    },
    "ing_CvaMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "CvaMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSummaryofvaluationadjustmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "CVA",
        "label": "CVA [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "country_DE": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/country/2025",
     "localname": "DE",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "GERMANY",
        "label": "GERMANY"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DamagesClaimedInLitigationCase": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DamagesClaimedInLitigationCase",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/LegalproceedingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Damages claimed",
        "label": "Damages Claimed In Litigation Case",
        "documentation": "Damages Claimed In Litigation Case"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DebtSecurities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DebtSecurities",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails": {
       "parentTag": "ifrs-full_FinancialLiabilities",
       "weight": 1.0,
       "order": 3.0
      },
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_Liabilities",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Debt securities in issue",
        "label": "Debt instruments issued"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of instruments issued by the entity that represent indebtedness."
       }
      }
     },
     "auth_ref": [
      "r405"
     ]
    },
    "ing_DebtSecuritiesAndLoansAndAdvancesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DebtSecuritiesAndLoansAndAdvancesMember",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofchangesinfairvaluethroughothercomprehensiveincomefinancialassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "FVOCI debt instruments",
        "label": "Debt securities and loans and advances [Member]",
        "documentation": "This member stands for debt instruments that includes both debt securities and advances."
       }
      }
     },
     "auth_ref": []
    },
    "ing_DebtSecuritiesAndStructuredNotesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DebtSecuritiesAndStructuredNotesMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "- Debt securities",
        "label": "Debt Securities And Structured Notes [Member]",
        "documentation": "Debt Securities And Structured Notes"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DebtSecuritiesByTypeOfExposureTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DebtSecuritiesByTypeOfExposureTableTextBlock",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Debt securities by type of exposure",
        "label": "Debt Securities By Type Of Exposure [Table Text Block]",
        "documentation": "The summary of debt securities by type and balance sheet lines."
       }
      }
     },
     "auth_ref": []
    },
    "ing_DebtSecuritiesExplanatoryTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DebtSecuritiesExplanatoryTextBlock",
     "presentation": [
      "http://www.ing.com/role/Debtsecurities"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Debt securities",
        "label": "Debt Securities Explanatory [Text Block]",
        "documentation": "Debt Securities Explanatory"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DebtSecuritiesInIssueMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DebtSecuritiesInIssueMember",
     "presentation": [
      "http://www.ing.com/role/ConsolidatedconsolidatedstatementofcashflowsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Debt securities in issue",
        "label": "Debt securities in issue [Member]",
        "documentation": "Debt securities in issue [member]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DebtSecuritiesLiabilitiesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DebtSecuritiesLiabilitiesMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "\u2013\u00a0 Debt securities",
        "label": "Debt Securities, Liabilities [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DebtSecuritiesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DebtSecuritiesMember",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails",
      "http://www.ing.com/role/DebtsecuritiesSummaryofsecuritiesDetails",
      "http://www.ing.com/role/EquitySummaryofequityDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesAdditionalinformationDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryoffinancialassetsatfairvaluethroughothercomprehensiveincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Debt securities",
        "netLabel": "Debt instruments at FVOCI",
        "label": "Debt securities [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for instruments held by the entity that represent indebtedness."
       }
      }
     },
     "auth_ref": [
      "r325",
      "r328"
     ]
    },
    "ing_DebtSecuritiesPortfolioMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DebtSecuritiesPortfolioMember",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Debt securities portfolio",
        "label": "Debt Securities Portfolio [Member]",
        "documentation": "Debt securities portfolio."
       }
      }
     },
     "auth_ref": []
    },
    "ing_DecreaseInInvestmentsInSubsidiariesJointVenturesAndAssociatesFromDividendsReceived": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DecreaseInInvestmentsInSubsidiariesJointVenturesAndAssociatesFromDividendsReceived",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofchangesininvestmentsinassociatesandjointventuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Dividends received",
        "label": "Decrease In Investments In Subsidiaries Joint Ventures And Associates From Dividends Received"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DecreaseThroughDerecognitionAndRepaymentsFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DecreaseThroughDerecognitionAndRepaymentsFinancialAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Decrease through derecognition and repayments financial assets",
        "label": "Decrease Through Derecognition And Repayments Financial Assets",
        "documentation": "Decrease Through Derecognition And Repayments Financial Assets"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DecreaseThroughDerecognitionFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DecreaseThroughDerecognitionFinancialAssets",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails": {
       "parentTag": "ifrs-full_IncreaseDecreaseInFinancialAssets",
       "weight": -1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofchangesinfairvaluethroughothercomprehensiveincomefinancialassetsDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Financial assets that have been derecognised",
        "negatedLabel": "Disposals and redemptions",
        "label": "Decrease through derecognition, financial assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The decrease in financial assets resulting from derecognition. [Refer: Financial assets]"
       }
      }
     },
     "auth_ref": [
      "r338",
      "r340",
      "r346",
      "r356",
      "r358"
     ]
    },
    "ing_DecreaseThroughDisposalFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DecreaseThroughDisposalFinancialAssets",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Disposals",
        "label": "Decrease Through Disposal Financial Assets",
        "documentation": "Decrease Through Disposal Financial Assets"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DecreaseThroughShareBasedPaymentTransactionsEquity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DecreaseThroughShareBasedPaymentTransactionsEquity",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/EquityScheduleofchangesintreasurysharesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Purchased under staff share plans",
        "label": "Decrease Through Share-based Payment Transactions, Equity",
        "documentation": "Decrease Through Share-based Payment Transactions, Equity"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DecreaseThroughShareBasedPaymentTransactionsShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DecreaseThroughShareBasedPaymentTransactionsShares",
     "presentation": [
      "http://www.ing.com/role/EquityScheduleofchangesintreasurysharesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Distributed under staff share and stock option plans (in shares)",
        "label": "Decrease Through Share-based Payment Transactions, Shares",
        "documentation": "Decrease Through Share-based Payment Transactions, Shares"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DecreaseThroughWriteoffFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DecreaseThroughWriteoffFinancialAssets",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofchangesinfairvaluethroughothercomprehensiveincomefinancialassetsDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Write-offs",
        "negatedTerseLabel": "Impairments",
        "label": "Decrease through write-off, financial assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The decrease in financial assets resulting from write-off. [Refer: Financial assets]"
       }
      }
     },
     "auth_ref": [
      "r338",
      "r340",
      "r346",
      "r356",
      "r358"
     ]
    },
    "ing_DefaultCreditGradeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DefaultCreditGradeMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "20-22 (D)",
        "label": "Default Credit Grade [Member]",
        "documentation": "Default Credit Grade."
       }
      }
     },
     "auth_ref": []
    },
    "ing_DeferredDayOneProfitOrLossReserveMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DeferredDayOneProfitOrLossReserveMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSummaryofvaluationadjustmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deferred Day One Profit or Loss",
        "label": "Deferred Day One Profit Or Loss Reserve [Member]",
        "documentation": "Deferred Day One Profit Or Loss Reserve"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DeferredTaxAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DeferredTaxAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0,
       "order": 10.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deferred tax assets",
        "label": "Deferred tax assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The amounts of income taxes recoverable in future periods in respect of: (a) deductible temporary differences; (b) the carryforward of unused tax losses; and (c) the carryforward of unused tax credits. [Refer: Temporary differences [member]; Unused tax credits [member]; Unused tax losses [member]]"
       }
      }
     },
     "auth_ref": [
      "r6",
      "r196",
      "r285",
      "r289"
     ]
    },
    "ifrs-full_DeferredTaxLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DeferredTaxLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_Liabilities",
       "weight": 1.0,
       "order": 8.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deferred tax liabilities",
        "label": "Deferred tax liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amounts of income taxes payable in future periods in respect of taxable temporary differences. [Refer: Temporary differences [member]]"
       }
      }
     },
     "auth_ref": [
      "r6",
      "r196",
      "r285",
      "r289"
     ]
    },
    "ifrs-full_DepartureFromRequirementOfIFRSAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DepartureFromRequirementOfIFRSAxis",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofreconciliationbetweenIFRSandunderlyingincomeexpensesandnetresultDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Departure from requirement of IFRS [axis]",
        "label": "Departure from requirement of IFRS [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r185",
      "r262",
      "r280"
     ]
    },
    "ing_Deposits1Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "Deposits1Member",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "\u2013\u00a0 Deposits",
        "label": "Deposits1 [Member]",
        "documentation": "Deposits1"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DepositsFromBanks": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DepositsFromBanks",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails": {
       "parentTag": "ifrs-full_FinancialLiabilities",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_Liabilities",
       "weight": 1.0,
       "order": 9.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Deposits from banks",
        "label": "Deposits from banks"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of deposit liabilities from banks held by the entity."
       }
      }
     },
     "auth_ref": [
      "r405"
     ]
    },
    "ing_DepositsFromBanksCategoryMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DepositsFromBanksCategoryMember",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deposits from banks",
        "label": "Deposits From Banks Category [Member]",
        "documentation": "Deposits from banks."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DepositsFromCustomers": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DepositsFromCustomers",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails": {
       "parentTag": "ifrs-full_FinancialLiabilities",
       "weight": 1.0,
       "order": 2.0
      },
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_Liabilities",
       "weight": 1.0,
       "order": 3.0
      },
      "http://www.ing.com/role/CustomerdepositsScheduleofcustomerdepositsDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition",
      "http://www.ing.com/role/CustomerdepositsScheduleofcustomerdepositsDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Customer deposits",
        "totalLabel": "Customer deposits",
        "label": "Deposits from customers"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of deposit liabilities from customers held by the entity."
       }
      }
     },
     "auth_ref": [
      "r405"
     ]
    },
    "ifrs-full_DepositsFromCustomersAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DepositsFromCustomersAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Deposits from customers [abstract]",
        "label": "Deposits from customers [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DepositsFromCustomersCategoryMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DepositsFromCustomersCategoryMember",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Customer deposits",
        "label": "Deposits From Customers Category [Member]",
        "documentation": "Deposits From Customers Category"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DepreciationAndImpairmentLossIntangibleAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DepreciationAndImpairmentLossIntangibleAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails": {
       "parentTag": "ifrs-full_OtherExpenseByNature",
       "weight": 1.0,
       "order": 11.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Amortisation and impairment of intangible assets",
        "label": "Depreciation And Impairment Loss, Intangible Assets",
        "documentation": "Depreciation And Impairment Loss, Intangible Assets"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DepreciationAndImpairmentLossPropertyPlantAndEquipment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DepreciationAndImpairmentLossPropertyPlantAndEquipment",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails": {
       "parentTag": "ifrs-full_OtherExpenseByNature",
       "weight": 1.0,
       "order": 10.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Depreciation and impairment of property and equipment",
        "label": "Depreciation And Impairment Loss, Property Plant And Equipment",
        "documentation": "Depreciation And Impairment Loss, Property Plant And Equipment"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DerivativesAtCreditMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DerivativesAtCreditMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Derivative at credit",
        "label": "Derivatives At Credit [Member]",
        "documentation": "Derivative at credit."
       }
      }
     },
     "auth_ref": []
    },
    "ing_DerivativesAtEquityMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DerivativesAtEquityMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Derivatives at equity",
        "label": "Derivatives At Equity [Member]",
        "documentation": "Derivatives at equity."
       }
      }
     },
     "auth_ref": []
    },
    "ing_DerivativesAtForeignExchangeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DerivativesAtForeignExchangeMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Derivatives at foreign exchange",
        "label": "Derivatives At Foreign Exchange [Member]",
        "documentation": "Derivatives at foreign exchange."
       }
      }
     },
     "auth_ref": []
    },
    "ing_DerivativesAtRatesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DerivativesAtRatesMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Derivatives at rates",
        "label": "Derivatives At Rates [Member]",
        "documentation": "Derivatives at rates."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DerivativesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DerivativesMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "- Derivatives",
        "label": "Derivatives [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for financial instruments or other contracts within the scope of IFRS 9 with all three of the following characteristics: (a) Their value changes in response to the change in a specified interest rate, financial instrument price, commodity price, foreign exchange rate, index of prices or rates, credit rating or credit index, or other variable, provided in the case of a non-financial variable that the variable is not specific to a party to the contract (sometimes called the \u2018underlying\u2019); (b) They require no initial net investment or an initial net investment that is smaller than would be required for other types of contracts that would be expected to have a similar response to changes in market factors; (c) They are settled at a future date. [Refer: Classes of financial instruments [domain]]"
       }
      }
     },
     "auth_ref": [
      "r325",
      "r328",
      "r345",
      "r348"
     ]
    },
    "ing_DescriptionOfAccountingPolicyForReconciliationBetweenIFRSEUAndIFRSIASBPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DescriptionOfAccountingPolicyForReconciliationBetweenIFRSEUAndIFRSIASBPolicyTextBlock",
     "presentation": [
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Reconciliation between IFRS-EU and IFRS-IASB",
        "label": "Description Of Accounting Policy For Reconciliation Between IFRS EU and IFRS IASB [Policy Text Block]",
        "documentation": "Description of accounting policy for reconciliation between IFRS EU and IFRS IASB."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DescriptionOfExpectedImpactOfInitialApplicationOfNewStandardsOrInterpretations",
     "presentation": [
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Changes in IFRS effective 2026 and upcoming changes in IFRS after 2026",
        "label": "Disclosure of expected impact of initial application of new standards or interpretations [text block]"
       }
      }
     },
     "auth_ref": [
      "r65",
      "r190"
     ]
    },
    "ifrs-full_DilutedEarningsLossPerShare": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DilutedEarningsLossPerShare",
     "calculation": {
      "http://www.ing.com/role/EarningsperordinaryshareDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss",
      "http://www.ing.com/role/EarningsperordinaryshareDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Diluted earnings per ordinary share (in EUR per share)",
        "totalLabel": "Diluted earnings (in EUR per share)",
        "label": "Diluted earnings (loss) per share"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of profit (loss) attributable to ordinary equity holders of the parent entity (the numerator), divided by the weighted average number of ordinary shares outstanding during the period (the denominator), both adjusted for the effects of all dilutive potential ordinary shares. [Refer: Ordinary shares [member]; Weighted average [member]]"
       }
      }
     },
     "auth_ref": [
      "r22",
      "r23"
     ]
    },
    "ifrs-full_DilutedEarningsLossPerShareFromContinuingOperations": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DilutedEarningsLossPerShareFromContinuingOperations",
     "calculation": {
      "http://www.ing.com/role/EarningsperordinaryshareDetails": {
       "parentTag": "ifrs-full_DilutedEarningsLossPerShare",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "lang": {
      "en": {
       "role": {
        "documentation": "Diluted earnings (loss) per share from continuing operations. [Refer: Continuing operations, unless line item indicates otherwise [member]; Diluted earnings (loss) per share]"
       }
      }
     },
     "auth_ref": [
      "r22",
      "r23"
     ]
    },
    "ing_DisclosureInInvestmentsInAssociatesAndJointVenturesExplanatoryTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureInInvestmentsInAssociatesAndJointVenturesExplanatoryTableTextBlock",
     "presentation": [
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Summary of investments in associates and joint ventures",
        "label": "Disclosure in investments in associates and joint ventures explanatory [Table Text Block]",
        "documentation": "Disclosure in investments in associates and joint ventures explanatory."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfAccountingJudgementsAndEstimatesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfAccountingJudgementsAndEstimatesExplanatory",
     "presentation": [
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Significant judgements and critical accounting estimates and assumptions",
        "label": "Disclosure of accounting judgements and estimates [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of judgements that management has made in the process of applying the entity's accounting policies that have the most significant effect on amounts recognised in the financial statements along with information about the assumptions that the entity makes about the future, and other major sources of estimation uncertainty at the end of the reporting period, that have a significant risk of resulting in a material adjustment to the carrying amounts of assets and liabilities within the next year. [Refer: Carrying amount [member]]"
       }
      }
     },
     "auth_ref": [
      "r399"
     ]
    },
    "ifrs-full_DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory",
     "presentation": [
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Basis of preparation of the Condensed consolidated interim financial statements",
        "label": "Disclosure of basis of preparation of financial statements [text block]"
       }
      }
     },
     "auth_ref": [
      "r399"
     ]
    },
    "ifrs-full_DisclosureOfBusinessCombinationsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfBusinessCombinationsExplanatory",
     "presentation": [
      "http://www.ing.com/role/Businessesacquiredanddivested"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Businesses acquired and divested",
        "label": "Disclosure of business combinations [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for business combinations."
       }
      }
     },
     "auth_ref": [
      "r113"
     ]
    },
    "ifrs-full_DisclosureOfBusinessCombinationsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfBusinessCombinationsLineItems",
     "presentation": [
      "http://www.ing.com/role/BusinessesacquiredanddivestedDetails",
      "http://www.ing.com/role/BusinessesacquiredanddivestedDisclosureofbusinessacquisitionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of detailed information about business combination [line items]",
        "label": "Disclosure of detailed information about business combination [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfBusinessCombinationsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfBusinessCombinationsTable",
     "presentation": [
      "http://www.ing.com/role/BusinessesacquiredanddivestedDetails",
      "http://www.ing.com/role/BusinessesacquiredanddivestedDisclosureofbusinessacquisitionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of detailed information about business combination [table]",
        "label": "Disclosure of detailed information about business combination [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to details of business combinations."
       }
      }
     },
     "auth_ref": [
      "r110",
      "r222"
     ]
    },
    "ing_DisclosureOfCapitalAdequacyTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfCapitalAdequacyTableTextBlock",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Capital adequacy assessment",
        "label": "Disclosure of Capital Adequacy [Table Text Block]",
        "documentation": "Disclosure of Capital Adequacy [Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DisclosureOfCapitalManagementLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfCapitalManagementLineItems",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure Of Capital Management [Line Items]",
        "label": "Disclosure Of Capital Management [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DisclosureOfCapitalManagementTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfCapitalManagementTable",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of Capital management [table]",
        "label": "Disclosure of Capital management [table]",
        "documentation": "Disclosure of Capital management [table]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DisclosureOfChangeInInvestmentsInAssociatesAndJointVenturesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfChangeInInvestmentsInAssociatesAndJointVenturesExplanatory",
     "presentation": [
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Summary of changes in investments in associates and joint ventures",
        "label": "Disclosure of change in investments in associates and joint ventures [text block]",
        "documentation": "Disclosure of change in investments in associates and joint ventures."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfChangesInAccountingPoliciesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfChangesInAccountingPoliciesExplanatory",
     "presentation": [
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Changes to accounting policies and presentation",
        "label": "Disclosure of changes in accounting policies [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of changes made to accounting policies by the entity."
       }
      }
     },
     "auth_ref": [
      "r399"
     ]
    },
    "ing_DisclosureOfClassificationsOfInterestIncomeExpenseExplanatoryTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfClassificationsOfInterestIncomeExpenseExplanatoryTableTextBlock",
     "presentation": [
      "http://www.ing.com/role/NetinterestincomeTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Summary of net interest income",
        "label": "Disclosure of classifications of interest income expense explanatory [Table Text Block]",
        "documentation": "Disclosure of classifications of interest income expense."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfCreditRiskExposureLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfCreditRiskExposureLineItems",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails",
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails",
      "http://www.ing.com/role/RiskmanagementManagementadjustmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of credit risk exposure [line items]",
        "label": "Disclosure of credit risk exposure [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfCreditRiskExposureTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfCreditRiskExposureTable",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails",
      "http://www.ing.com/role/RiskmanagementManagementadjustmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of credit risk exposure [table]",
        "label": "Disclosure of credit risk exposure [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the credit risk exposure."
       }
      }
     },
     "auth_ref": [
      "r135",
      "r247"
     ]
    },
    "ing_DisclosureOfCustomerDepositsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfCustomerDepositsLineItems",
     "presentation": [
      "http://www.ing.com/role/CustomerdepositsAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of customer deposits [line items]",
        "label": "Disclosure of customer deposits [line items]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DisclosureOfCustomerDepositsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfCustomerDepositsTable",
     "presentation": [
      "http://www.ing.com/role/CustomerdepositsAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of customer deposits [table]",
        "label": "Disclosure of customer deposits [table]",
        "documentation": "Schedule disclosing information related to details of customer deposits."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfDepositsFromCustomersExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDepositsFromCustomersExplanatory",
     "presentation": [
      "http://www.ing.com/role/Customerdeposits"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Customer deposits",
        "label": "Disclosure of deposits from customers [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of deposits from customers. [Refer: Deposits from customers]"
       }
      }
     },
     "auth_ref": [
      "r399"
     ]
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDetailedInformationAboutBusinessCombinationsExplanatory",
     "presentation": [
      "http://www.ing.com/role/BusinessesacquiredanddivestedTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of business acquisition",
        "label": "Disclosure of detailed information about business combination [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of detailed information about business combinations. [Refer: Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r114"
     ]
    },
    "ing_DisclosureOfDetailedInformationAboutCapitalManagementTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfDetailedInformationAboutCapitalManagementTextBlock",
     "presentation": [
      "http://www.ing.com/role/Capitalmanagement"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Capital management",
        "label": "Disclosure of Detailed Information About Capital Management [Text Block]",
        "documentation": "The disclosure of detailed information about capital management."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory",
     "presentation": [
      "http://www.ing.com/role/IntangibleassetsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of changes in intangible assets",
        "label": "Disclosure of detailed information about intangible assets [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of detailed information about intangible assets. [Refer: Intangible assets other than goodwill]"
       }
      }
     },
     "auth_ref": [
      "r39",
      "r213"
     ]
    },
    "ing_DisclosureOfDetailedInformationAboutValuationResultsAndNetTradingIncomeTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfDetailedInformationAboutValuationResultsAndNetTradingIncomeTableTextBlock",
     "presentation": [
      "http://www.ing.com/role/ValuationresultsandnettradingincomeTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Summary of valuation results and net trading income",
        "label": "Disclosure Of Detailed Information About Valuation Results And Net Trading Income [Table Text Block]",
        "documentation": "The disclosure of detailed information about valuation results and net trading income."
       }
      }
     },
     "auth_ref": []
    },
    "ing_DisclosureOfDividendPerOrdinaryShareExplanatoryTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfDividendPerOrdinaryShareExplanatoryTableTextBlock",
     "presentation": [
      "http://www.ing.com/role/DividendperordinaryshareTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of dividends to shareholders of the parent",
        "label": "Disclosure Of Dividend Per Ordinary Share Explanatory [Table Text Block]",
        "documentation": "The disclosure of dividend per ordinary share."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfDividendsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfDividendsExplanatory",
     "presentation": [
      "http://www.ing.com/role/Dividendperordinaryshare"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Dividend per ordinary share",
        "label": "Disclosure of dividends [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of dividends. Dividends are distributions of profits to holders of equity investments in proportion to their holdings of a particular class of capital."
       }
      }
     },
     "auth_ref": [
      "r399"
     ]
    },
    "ifrs-full_DisclosureOfEarningsPerShareExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfEarningsPerShareExplanatory",
     "presentation": [
      "http://www.ing.com/role/Earningsperordinaryshare"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Earnings per ordinary share",
        "label": "Disclosure of earnings per share [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for earnings per share."
       }
      }
     },
     "auth_ref": [
      "r26"
     ]
    },
    "ifrs-full_DisclosureOfEntitysReportableSegmentsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfEntitysReportableSegmentsExplanatory",
     "presentation": [
      "http://www.ing.com/role/Segments"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Segments",
        "label": "Disclosure of entity's operating segments [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for operating segments."
       }
      }
     },
     "auth_ref": [
      "r164"
     ]
    },
    "ing_DisclosureOfEquityTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfEquityTableTextBlock",
     "presentation": [
      "http://www.ing.com/role/EquityTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Summary of equity",
        "label": "Disclosure of Equity [Table Text Block]",
        "documentation": "Disclosure of equity."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfEventsAfterReportingPeriodExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfEventsAfterReportingPeriodExplanatory",
     "presentation": [
      "http://www.ing.com/role/Subsequentevents"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Subsequent events",
        "label": "Disclosure of events after reporting period [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for events after the reporting period."
       }
      }
     },
     "auth_ref": [
      "r2"
     ]
    },
    "ing_DisclosureOfFairValueFinancialAssetsAndLiabilitiesAmortisedCostExplanatoryTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfFairValueFinancialAssetsAndLiabilitiesAmortisedCostExplanatoryTableTextBlock",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fair value of assets and liabilities at amortised cost",
        "label": "Disclosure Of Fair Value Financial Assets And Liabilities Amortised Cost Explanatory [Table Text Block]",
        "documentation": "Disclosure of fair value financial assets and liabilities amortised cost."
       }
      }
     },
     "auth_ref": []
    },
    "ing_DisclosureOfFairValueFinancialSensitivityAnalysisExplanatoryTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfFairValueFinancialSensitivityAnalysisExplanatoryTableTextBlock",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Sensitivity analysis of level 3 instruments",
        "label": "Disclosure Of Fair Value Financial Sensitivity Analysis Explanatory [Table Text Block]",
        "documentation": "Disclosure of fair value financial sensitivity analysis."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfFairValueMeasurementExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFairValueMeasurementExplanatory",
     "presentation": [
      "http://www.ing.com/role/Fairvalueofassetsandliabilities"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fair value of assets and liabilities",
        "label": "Disclosure of fair value measurement [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for fair value measurement."
       }
      }
     },
     "auth_ref": [
      "r97"
     ]
    },
    "ing_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesLineItems",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesAdditionalinformationDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of fair value measurement of assets and liabilities [Line Items]",
        "label": "Disclosure of fair value measurement of assets and liabilities [Line Items]",
        "documentation": "Disclosure of fair value measurement of assets and liabilities."
       }
      }
     },
     "auth_ref": []
    },
    "ing_DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfFairValueMeasurementOfAssetsAndLiabilitiesTable",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesAdditionalinformationDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of fair value measurement of assets and liabilities.",
        "label": "Disclosure of Fair Value Measurement of Assets and Liabilities [Table]",
        "documentation": "Disclosure of fair value measurement of assets and liabilities."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfFairValueMeasurementOfAssetsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFairValueMeasurementOfAssetsExplanatory",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Changes in level 3 financial assets",
        "label": "Disclosure of fair value measurement of assets [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of the fair value measurement of assets."
       }
      }
     },
     "auth_ref": [
      "r95",
      "r255"
     ]
    },
    "ifrs-full_DisclosureOfFairValueMeasurementOfAssetsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFairValueMeasurementOfAssetsLineItems",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSensitivityanalysisoflevel3instrumentsDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of fair value measurement of assets [line items]",
        "label": "Disclosure of fair value measurement of assets [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfFairValueMeasurementOfAssetsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFairValueMeasurementOfAssetsTable",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSensitivityanalysisoflevel3instrumentsDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of fair value measurement of assets [table]",
        "label": "Disclosure of fair value measurement of assets [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the fair value measurement of assets."
       }
      }
     },
     "auth_ref": [
      "r95",
      "r255"
     ]
    },
    "ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFairValueMeasurementOfLiabilitiesExplanatory",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Changes in level 3 financial liabilities",
        "label": "Disclosure of fair value measurement of liabilities [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of the fair value measurement of liabilities."
       }
      }
     },
     "auth_ref": [
      "r95",
      "r255"
     ]
    },
    "ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFairValueMeasurementOfLiabilitiesLineItems",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialliabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of fair value measurement of liabilities [line items]",
        "label": "Disclosure of fair value measurement of liabilities [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfFairValueMeasurementOfLiabilitiesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFairValueMeasurementOfLiabilitiesTable",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialliabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of fair value measurement of liabilities [table]",
        "label": "Disclosure of fair value measurement of liabilities [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the fair value measurement of liabilities."
       }
      }
     },
     "auth_ref": [
      "r95",
      "r255"
     ]
    },
    "ifrs-full_DisclosureOfFairValueOfEachInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFairValueOfEachInvestmentInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeExplanatory",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income",
        "label": "Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of the fair value of investments in equity instruments that the entity has designated at fair value through other comprehensive income. [Refer: Investments in equity instruments designated at fair value through other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r266"
     ]
    },
    "ifrs-full_DisclosureOfFairValueOfFinancialInstrumentsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFairValueOfFinancialInstrumentsExplanatory",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Methods applied in determining fair values of financial assets and liabilities",
        "label": "Disclosure of fair value of financial instruments [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of the fair value of financial instruments. [Refer: Classes of financial instruments [domain]; At fair value [member]]"
       }
      }
     },
     "auth_ref": [
      "r399"
     ]
    },
    "ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeLineItems",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeAdditionalinformationDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofequitysecuritiesdesignatedasatfairvaluethroughothercomprehensiveincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items]",
        "label": "Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeTable",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeAdditionalinformationDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofequitysecuritiesdesignatedasatfairvaluethroughothercomprehensiveincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [table]",
        "label": "Disclosure of fair value of investments in equity instruments designated at fair value through other comprehensive income [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the fair value of investments in equity instruments designated at fair value through other comprehensive income."
       }
      }
     },
     "auth_ref": [
      "r266"
     ]
    },
    "ifrs-full_DisclosureOfFeeAndCommissionIncomeExpenseExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFeeAndCommissionIncomeExpenseExplanatory",
     "presentation": [
      "http://www.ing.com/role/Netfeeandcommissionincome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Net fee and commission income",
        "label": "Disclosure of fee and commission income (expense) [text block]"
       }
      }
     },
     "auth_ref": [
      "r399"
     ]
    },
    "ifrs-full_DisclosureOfFinancialAssetsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFinancialAssetsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financial Assets",
        "label": "Disclosure of financial assets [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DisclosureOfFinancialAssetsAndLiabilitiesAtFairValueThroughProfitLossTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfFinancialAssetsAndLiabilitiesAtFairValueThroughProfitLossTableTextBlock",
     "presentation": [
      "http://www.ing.com/role/FinancialliabilitiesatfairvaluethroughprofitorlossTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Summary of financial liabilities at fair value through profit or loss",
        "label": "Disclosure Of Financial Assets And Liabilities At Fair Value Through Profit Loss [Table Text Block]",
        "documentation": "The entire disclosure of financial assets and liabilities at fair value through profit loss."
       }
      }
     },
     "auth_ref": []
    },
    "ing_DisclosureOfFinancialAssetsAtFairValueThroughProfitOrLossTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfFinancialAssetsAtFairValueThroughProfitOrLossTextBlock",
     "presentation": [
      "http://www.ing.com/role/Financialassetsatfairvaluethroughprofitorloss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financial assets at fair value through profit or loss",
        "label": "Disclosure of Financial Assets at Fair Value Through Profit or Loss [Text Block]",
        "documentation": "Disclosure of Financial assets at fair value through profit or loss."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfFinancialAssetsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFinancialAssetsLineItems",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails",
      "http://www.ing.com/role/DebtsecuritiesSummaryofsecuritiesDetails",
      "http://www.ing.com/role/EquitySummaryofequityDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofchangesinfairvaluethroughothercomprehensiveincomefinancialassetsDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryoffinancialassetsatfairvaluethroughothercomprehensiveincomeDetails",
      "http://www.ing.com/role/RiskmanagementQuantitativeSICRthresholdsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of financial assets [line items]",
        "label": "Disclosure of financial assets [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfFinancialAssetsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFinancialAssetsTable",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails",
      "http://www.ing.com/role/DebtsecuritiesSummaryofsecuritiesDetails",
      "http://www.ing.com/role/EquitySummaryofequityDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofchangesinfairvaluethroughothercomprehensiveincomefinancialassetsDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryoffinancialassetsatfairvaluethroughothercomprehensiveincomeDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails",
      "http://www.ing.com/role/RiskmanagementQuantitativeSICRthresholdsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of financial assets [table]",
        "label": "Disclosure of financial assets [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to financial assets."
       }
      }
     },
     "auth_ref": [
      "r139",
      "r224"
     ]
    },
    "ing_DisclosureOfFinancialInstrumentsAndFinancialRiskManagementTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfFinancialInstrumentsAndFinancialRiskManagementTextBlock",
     "presentation": [
      "http://www.ing.com/role/Riskmanagement"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Risk management",
        "label": "Disclosure Of Financial Instruments And Financial Risk Management [Text Block]",
        "documentation": "Entire disclosure of financial instruments and financial risk management."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFinancialInstrumentsAtFairValueThroughProfitOrLossExplanatory",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Summary of financial assets at fair value through profit or loss",
        "label": "Disclosure of financial instruments at fair value through profit or loss [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of financial instruments measured at fair value through profit or loss. [Refer: At fair value [member]; Classes of financial instruments [domain]]"
       }
      }
     },
     "auth_ref": [
      "r399"
     ]
    },
    "ifrs-full_DisclosureOfFinancialInstrumentsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFinancialInstrumentsLineItems",
     "presentation": [
      "http://www.ing.com/role/LoansandadvancestocustomersDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of detailed information about financial instruments [line items]",
        "label": "Disclosure of detailed information about financial instruments [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfFinancialInstrumentsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFinancialInstrumentsTable",
     "presentation": [
      "http://www.ing.com/role/LoansandadvancestocustomersDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of detailed information about financial instruments [table]",
        "label": "Disclosure of detailed information about financial instruments [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to details of financial instruments."
       }
      }
     },
     "auth_ref": [
      "r123",
      "r131",
      "r139",
      "r224"
     ]
    },
    "ifrs-full_DisclosureOfFinancialLiabilitiesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfFinancialLiabilitiesExplanatory",
     "presentation": [
      "http://www.ing.com/role/Financialliabilitiesatfairvaluethroughprofitorloss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financial liabilities at fair value through profit or loss",
        "label": "Disclosure of financial liabilities [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of financial liabilities. [Refer: Financial liabilities]"
       }
      }
     },
     "auth_ref": [
      "r139",
      "r224"
     ]
    },
    "ifrs-full_DisclosureOfIntangibleAssetsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfIntangibleAssetsExplanatory",
     "presentation": [
      "http://www.ing.com/role/Intangibleassets"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Intangible assets",
        "label": "Disclosure of intangible assets [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for intangible assets."
       }
      }
     },
     "auth_ref": [
      "r40"
     ]
    },
    "ifrs-full_DisclosureOfIntangibleAssetsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfIntangibleAssetsLineItems",
     "presentation": [
      "http://www.ing.com/role/IntangibleassetsAdditionalinformationDetails",
      "http://www.ing.com/role/IntangibleassetsScheduleofchangesinintangibleassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of detailed information about intangible assets [line items]",
        "label": "Disclosure of detailed information about intangible assets [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfIntangibleAssetsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfIntangibleAssetsTable",
     "presentation": [
      "http://www.ing.com/role/IntangibleassetsAdditionalinformationDetails",
      "http://www.ing.com/role/IntangibleassetsScheduleofchangesinintangibleassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of detailed information about intangible assets [table]",
        "label": "Disclosure of detailed information about intangible assets [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to details of intangible assets."
       }
      }
     },
     "auth_ref": [
      "r39",
      "r213"
     ]
    },
    "ifrs-full_DisclosureOfInterestIncomeExpenseExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfInterestIncomeExpenseExplanatory",
     "presentation": [
      "http://www.ing.com/role/Netinterestincome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Net interest income",
        "label": "Disclosure of interest income (expense) [text block]"
       }
      }
     },
     "auth_ref": [
      "r399"
     ]
    },
    "ifrs-full_DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfInvestmentsAccountedForUsingEquityMethodExplanatory",
     "presentation": [
      "http://www.ing.com/role/Investmentinassociatesandjointventures"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investments in associates and joint ventures",
        "label": "Disclosure of investments accounted for using equity method [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of investments accounted for using the equity method. [Refer: Investments accounted for using equity method]"
       }
      }
     },
     "auth_ref": [
      "r399"
     ]
    },
    "ing_DisclosureOfInvestmentsInAssociatesAndJointVenturesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfInvestmentsInAssociatesAndJointVenturesLineItems",
     "presentation": [
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresAdditionalinformationDetails",
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofchangesininvestmentsinassociatesandjointventuresDetails",
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofinvestmentsinassociatesandjointventuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of investments in associates and joint ventures [line items]",
        "label": "Disclosure of Investments in Associates and Joint Ventures [Line Items]",
        "documentation": "Disclosure of investments in associates and joint ventures."
       }
      }
     },
     "auth_ref": []
    },
    "ing_DisclosureOfInvestmentsInAssociatesAndJointVenturesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfInvestmentsInAssociatesAndJointVenturesTable",
     "presentation": [
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresAdditionalinformationDetails",
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofchangesininvestmentsinassociatesandjointventuresDetails",
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofinvestmentsinassociatesandjointventuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of Investments in Associates and Joint Ventures [Table]",
        "label": "Disclosure of Investments in Associates and Joint Ventures [Table]",
        "documentation": "Disclosure of Investments in Associates and Joint Ventures [Table]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DisclosureOfLegalProceedingsExplanatoryTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfLegalProceedingsExplanatoryTextBlock",
     "presentation": [
      "http://www.ing.com/role/Legalproceedings"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Legal proceedings",
        "label": "Disclosure of Legal Proceedings Explanatory [Text Block]",
        "documentation": "Disclosure of legal proceedings."
       }
      }
     },
     "auth_ref": []
    },
    "ing_DisclosureOfLegalProceedingsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfLegalProceedingsLineItems",
     "presentation": [
      "http://www.ing.com/role/LegalproceedingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of Legal Proceedings [line items]",
        "label": "Disclosure of Legal Proceedings [line items]",
        "documentation": "Line items representing legal proceedings."
       }
      }
     },
     "auth_ref": []
    },
    "ing_DisclosureOfLegalProceedingsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfLegalProceedingsTable",
     "presentation": [
      "http://www.ing.com/role/LegalproceedingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure Of Legal Proceedings [Table]",
        "label": "Disclosure Of Legal Proceedings [Table]",
        "documentation": "Disclosure of legal proceedings"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DisclosureOfLoansAndAdvancesToCustomersByTypeExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfLoansAndAdvancesToCustomersByTypeExplanatory",
     "presentation": [
      "http://www.ing.com/role/LoansandadvancestocustomersTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Summary of loans and advances to customers",
        "label": "Disclosure of loans and advances to customers by type [Text Block]",
        "documentation": "Disclosure of loans and advances to customers by type."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfLoansAndAdvancesToCustomersExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfLoansAndAdvancesToCustomersExplanatory",
     "presentation": [
      "http://www.ing.com/role/Loansandadvancestocustomers"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Loans and advances to customers",
        "label": "Disclosure of loans and advances to customers [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of loans and advances to customers. [Refer: Loans and advances to customers]"
       }
      }
     },
     "auth_ref": [
      "r399"
     ]
    },
    "ifrs-full_DisclosureOfMaterialAccountingPolicyInformationExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfMaterialAccountingPolicyInformationExplanatory",
     "presentation": [
      "http://www.ing.com/role/Basisofpreparationandsignificantchangesinthecurrentreportingperiod"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Basis of preparation and significant changes in the current reporting period",
        "label": "Disclosure of material accounting policy information [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure of material accounting policy information applied by the entity."
       }
      }
     },
     "auth_ref": [
      "r186",
      "r260",
      "r277"
     ]
    },
    "ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsLineItems",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Market Risk [Line Items]",
        "label": "Disclosure of nature and extent of risks arising from financial instruments [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfNatureAndExtentOfRisksArisingFromFinancialInstrumentsTable",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of nature and extent of risks arising from financial instruments [table]",
        "label": "Disclosure of nature and extent of risks arising from financial instruments [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the nature and extent of risks arising from financial instruments."
       }
      }
     },
     "auth_ref": [
      "r124",
      "r125"
     ]
    },
    "ing_DisclosureOfNetFeeAndCommissionIncomeExplanatoryTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfNetFeeAndCommissionIncomeExplanatoryTableTextBlock",
     "presentation": [
      "http://www.ing.com/role/NetfeeandcommissionincomeTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of net fee and commission income",
        "label": "Disclosure Of Net Fee And Commission Income Explanatory [Table Text Block]",
        "documentation": "The disclosure of net fee and commission income."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfNonadjustingEventsAfterReportingPeriodAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Subsequent events [abstract]",
        "label": "Disclosure of non-adjusting events after reporting period [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfNonadjustingEventsAfterReportingPeriodLineItems",
     "presentation": [
      "http://www.ing.com/role/SubsequenteventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of non-adjusting events after reporting period [line items]",
        "label": "Disclosure of non-adjusting events after reporting period [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfNonadjustingEventsAfterReportingPeriodTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfNonadjustingEventsAfterReportingPeriodTable",
     "presentation": [
      "http://www.ing.com/role/SubsequenteventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of non-adjusting events after reporting period [table]",
        "label": "Disclosure of non-adjusting events after reporting period [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to non-adjusting events after the reporting period."
       }
      }
     },
     "auth_ref": [
      "r1",
      "r192"
     ]
    },
    "ifrs-full_DisclosureOfOperatingSegmentsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfOperatingSegmentsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Segment reporting [abstract]",
        "label": "Disclosure of operating segments [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfOperatingSegmentsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfOperatingSegmentsExplanatory",
     "presentation": [
      "http://www.ing.com/role/SegmentsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of ING Group total",
        "label": "Disclosure of operating segments [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of operating segments. [Refer: Operating segments [member]]"
       }
      }
     },
     "auth_ref": [
      "r152"
     ]
    },
    "ifrs-full_DisclosureOfOperatingSegmentsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfOperatingSegmentsLineItems",
     "presentation": [
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofreconciliationbetweenIFRSandunderlyingincomeexpensesandnetresultDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of operating segments [line items]",
        "label": "Disclosure of operating segments [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfOperatingSegmentsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfOperatingSegmentsTable",
     "presentation": [
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofreconciliationbetweenIFRSandunderlyingincomeexpensesandnetresultDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of operating segments [table]",
        "label": "Disclosure of operating segments [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to operating segments."
       }
      }
     },
     "auth_ref": [
      "r152"
     ]
    },
    "ing_DisclosureOfOperatingSegmentsUnderlyingIncomeExpensesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfOperatingSegmentsUnderlyingIncomeExpensesExplanatory",
     "presentation": [
      "http://www.ing.com/role/SegmentsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Summary of reconciliation between IFRS and underlying income, expenses and net result",
        "label": "Disclosure Of Operating Segments Underlying Income Expenses [Text Block]",
        "documentation": "The disclosure of operating segments underlying income expenses."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfOtherOperatingExpenseExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfOtherOperatingExpenseExplanatory",
     "presentation": [
      "http://www.ing.com/role/Otheroperatingexpenses"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other operating expenses",
        "label": "Disclosure of other operating expense [text block]"
       }
      }
     },
     "auth_ref": [
      "r399"
     ]
    },
    "ing_DisclosureOfOtherOperatingExpenseLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfOtherOperatingExpenseLineItems",
     "presentation": [
      "http://www.ing.com/role/OtheroperatingexpensesAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure Of Other Operating Expense [Line Items]",
        "label": "Disclosure Of Other Operating Expense [Line Items]",
        "documentation": "Disclosure Of Other Operating Expense [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DisclosureOfOtherOperatingExpenseTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfOtherOperatingExpenseTable",
     "presentation": [
      "http://www.ing.com/role/OtheroperatingexpensesAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure Of Other Operating Expense [Table]",
        "label": "Disclosure Of Other Operating Expense [Table]",
        "documentation": "Table represents disclosure of other operating expense."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfProductsAndServicesExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfProductsAndServicesExplanatory",
     "presentation": [
      "http://www.ing.com/role/SegmentsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Summary of segments banking",
        "label": "Disclosure of products and services [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of the entity's products and services. [Refer: Products and services [domain]]"
       }
      }
     },
     "auth_ref": [
      "r160"
     ]
    },
    "ing_DisclosureOfReconciliationNetResultEUIFRSAndIASBIFRSAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfReconciliationNetResultEUIFRSAndIASBIFRSAbstract",
     "presentation": [
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodReconciliationnetresultunderIFRSEUandIFRSIASBDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of Reconciliation Net Result EU IFRS and IASB IFRS [Abstract]",
        "label": "Disclosure of Reconciliation Net Result EU IFRS And IASB IFRS [Abstract]",
        "documentation": "Disclosure Of Reconciliation Net Result Eu Ifrs And Iasb Ifrs [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DisclosureOfReconciliationNetResultExplanatoryTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfReconciliationNetResultExplanatoryTableTextBlock",
     "presentation": [
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Reconciliation net result under IFRS-EU and IFRS-IASB",
        "label": "Disclosure of Reconciliation Net Result Explanatory [Table Text Block]",
        "documentation": "The disclosure of reconciliation net result."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesLineItems",
     "presentation": [
      "http://www.ing.com/role/ConsolidatedconsolidatedstatementofcashflowsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of reconciliation of liabilities arising from financing activities [line items]",
        "label": "Disclosure of reconciliation of liabilities arising from financing activities [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfReconciliationOfLiabilitiesArisingFromFinancingActivitiesTable",
     "presentation": [
      "http://www.ing.com/role/ConsolidatedconsolidatedstatementofcashflowsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of reconciliation of liabilities arising from financing activities [table]",
        "label": "Disclosure of reconciliation of liabilities arising from financing activities [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to the reconciliation of liabilities arising from financing activities."
       }
      }
     },
     "auth_ref": [
      "r182",
      "r320"
     ]
    },
    "ing_DisclosureOfReconciliationShareholderEquityEUIFRSAndIASBIFRSAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfReconciliationShareholderEquityEUIFRSAndIASBIFRSAbstract",
     "presentation": [
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodReconciliationshareholdersequityunderIFRSEUandIFRSIASBDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of Reconciliation Shareholder Equity EU IFRS and IASB IFRS [Abstract]",
        "label": "Disclosure of Reconciliation Shareholder Equity EU IFRS and IASB IFRS [Abstract]",
        "documentation": "Disclosure of reconciliation shareholder equity eu ifrs and iasb ifrs [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DisclosureOfReconciliationShareholdersEquityTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfReconciliationShareholdersEquityTableTextBlock",
     "presentation": [
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Reconciliation shareholders' equity under IFRS-EU and IFRS-IASB",
        "label": "Disclosure of Reconciliation Shareholders Equity [Table Text Block]",
        "documentation": "Disclosure of reconciliation shareholders equity [Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfRepurchaseAndReverseRepurchaseAgreementsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfRepurchaseAndReverseRepurchaseAgreementsExplanatory",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Summary of exposure to (reverse) repurchase agreements",
        "label": "Disclosure of repurchase and reverse repurchase agreements [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of repurchase and reverse repurchase agreements."
       }
      }
     },
     "auth_ref": [
      "r399"
     ]
    },
    "ifrs-full_DisclosureOfReservesAndOtherEquityInterestExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfReservesAndOtherEquityInterestExplanatory",
     "presentation": [
      "http://www.ing.com/role/EquityTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Reserves and other equity interest",
        "label": "Disclosure of reserves within equity [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of reserves within equity. [Refer: Other reserves [member]]"
       }
      }
     },
     "auth_ref": [
      "r175",
      "r257",
      "r293"
     ]
    },
    "ifrs-full_DisclosureOfReservesWithinEquityLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfReservesWithinEquityLineItems",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails",
      "http://www.ing.com/role/EquityScheduleofchangesintreasurysharesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of equity [Line Items]",
        "label": "Disclosure of reserves within equity [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfReservesWithinEquityTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfReservesWithinEquityTable",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails",
      "http://www.ing.com/role/EquityScheduleofchangesintreasurysharesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of reserves within equity [table]",
        "label": "Disclosure of reserves within equity [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to reserves within equity."
       }
      }
     },
     "auth_ref": [
      "r175",
      "r257",
      "r293"
     ]
    },
    "ing_DisclosureOfScheduleOfOtherOperatingExpenseTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisclosureOfScheduleOfOtherOperatingExpenseTableTextBlock",
     "presentation": [
      "http://www.ing.com/role/OtheroperatingexpensesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Summary of other operating expenses",
        "label": "Disclosure of schedule of other operating expense [Table Text Block]",
        "documentation": "Disclosure of schedule of other operating expense."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfShareCapitalReservesAndOtherEquityInterestExplanatory",
     "presentation": [
      "http://www.ing.com/role/Equity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Equity",
        "label": "Disclosure of share capital, reserves and other equity interest [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The entire disclosure for share capital, reserves and other equity interest."
       }
      }
     },
     "auth_ref": [
      "r176",
      "r258",
      "r294"
     ]
    },
    "ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsExplanatory",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Valuation techniques and range of unobservable inputs",
        "label": "Disclosure of significant unobservable inputs used in fair value measurement of assets [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of significant inputs for which market data are not available and that are developed using the best information available about the assumptions that market participants would use when measuring the fair value of assets."
       }
      }
     },
     "auth_ref": [
      "r88"
     ]
    },
    "ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsLineItems",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSummaryofvaluationadjustmentDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of significant unobservable inputs used in fair value measurement of assets [line items]",
        "label": "Disclosure of significant unobservable inputs used in fair value measurement of assets [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfAssetsTable",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSummaryofvaluationadjustmentDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of significant unobservable inputs used in fair value measurement of assets [table]",
        "label": "Disclosure of significant unobservable inputs used in fair value measurement of assets [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to significant unobservable inputs used in the fair value measurement of assets."
       }
      }
     },
     "auth_ref": [
      "r88"
     ]
    },
    "ifrs-full_DisposalsIntangibleAssetsAndGoodwill": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DisposalsIntangibleAssetsAndGoodwill",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/IntangibleassetsScheduleofchangesinintangibleassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Disposals",
        "label": "Disposals, intangible assets and goodwill"
       }
      },
      "en": {
       "role": {
        "documentation": "The decrease in intangible assets and goodwill resulting from disposals. [Refer: Intangible assets and goodwill]"
       }
      }
     },
     "auth_ref": [
      "r373"
     ]
    },
    "ing_DisposalsOfInvestmentsInAssociatesAndJointVentures": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DisposalsOfInvestmentsInAssociatesAndJointVentures",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofchangesininvestmentsinassociatesandjointventuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Disposals",
        "label": "Disposals Of Investments In Associates And Joint Ventures"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DistributionOfProductsFeeAndCommissionExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DistributionOfProductsFeeAndCommissionExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails": {
       "parentTag": "ifrs-full_FeeAndCommissionExpense",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Distribution of products",
        "label": "Distribution Of Products Fee And Commission Expense",
        "documentation": "Distribution Of Products Fee And Commission Expense"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DividendPayOutRatio": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DividendPayOutRatio",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Dividend pay-out ratio",
        "label": "Dividend Pay-Out Ratio",
        "documentation": "Dividend Pay-Out Ratio"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DividendPerOrdinaryShareAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DividendPerOrdinaryShareAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Dividend per ordinary share [abstract]",
        "label": "Dividend Per Ordinary Share [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_DividendYieldMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DividendYieldMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Dividend yield (%)",
        "label": "Dividend Yield [Member]",
        "documentation": "Dividend yield."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_DividendsPaid": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DividendsPaid",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofchangesinequity",
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Dividends and other cash distributions",
        "terseLabel": "Dividends recognised as distributions to owners",
        "label": "Dividends recognised as distributions to owners"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of dividends recognised as distributions to owners."
       }
      }
     },
     "auth_ref": [
      "r173",
      "r259",
      "r276"
     ]
    },
    "ifrs-full_DividendsPaidClassifiedAsFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DividendsPaidClassifiedAsFinancingActivities",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": -1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows",
      "http://www.ing.com/role/ConsolidatedconsolidatedstatementofcashflowsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Dividends paid",
        "negatedLabel": "Dividend paid",
        "label": "Dividends paid, classified as financing activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for dividends paid by the entity, classified as financing activities."
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "ifrs-full_DividendsPaidOrdinaryShares": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DividendsPaidOrdinaryShares",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/DividendperordinaryshareScheduleofdividendstoshareholdersoftheparentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Dividends paid",
        "label": "Dividends paid, ordinary shares"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of dividends paid by the entity on ordinary shares. [Refer: Ordinary shares [member]]"
       }
      }
     },
     "auth_ref": [
      "r27",
      "r204"
     ]
    },
    "ifrs-full_DividendsPaidOrdinarySharesPerShare": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DividendsPaidOrdinarySharesPerShare",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/DividendperordinaryshareAdditionalinformationDetails",
      "http://www.ing.com/role/DividendperordinaryshareScheduleofdividendstoshareholdersoftheparentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Dividend per ordinary share paid (in EUR per share)",
        "label": "Dividends paid, ordinary shares per share"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of dividends paid per ordinary share."
       }
      }
     },
     "auth_ref": [
      "r27",
      "r204"
     ]
    },
    "ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwners": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwners",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/DividendperordinaryshareScheduleofdividendstoshareholdersoftheparentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Dividend declared",
        "label": "Dividends proposed or declared before financial statements authorised for issue but not recognised as distribution to owners"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of dividends proposed or declared after the reporting period but before financial statements are authorised for issue. Such dividends are not recognised as a liability at the end of the reporting period because no obligation exists at that time."
       }
      }
     },
     "auth_ref": [
      "r0",
      "r177",
      "r261",
      "r279"
     ]
    },
    "ifrs-full_DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DividendsProposedOrDeclaredBeforeFinancialStatementsAuthorisedForIssueButNotRecognisedAsDistributionToOwnersPerShare",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Proposed cash dividend, per ordinary share (in EUR per share)",
        "label": "Dividends proposed or declared before financial statements authorised for issue but not recognised as distribution to owners per share"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount, per share, of dividends proposed or declared before financial statements were authorised for issue but not recognised as distribution to owners."
       }
      }
     },
     "auth_ref": [
      "r177",
      "r261",
      "r279"
     ]
    },
    "ifrs-full_DividendsReceivedClassifiedAsOperatingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DividendsReceivedClassifiedAsOperatingActivities",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/ConsolidatedconsolidatedstatementofcashflowsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Dividend received",
        "label": "Dividends received, classified as operating activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from dividends received, classified as operating activities. [Refer: Dividends received]"
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "ifrs-full_DividendsRecognisedAsDistributionsToOwnersOfParent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DividendsRecognisedAsDistributionsToOwnersOfParent",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/DividendperordinaryshareScheduleofdividendstoshareholdersoftheparentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Dividends",
        "label": "Dividends recognised as distributions to owners of parent"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of dividends recognised as distributions to owners of the parent. [Refer: Parent [member]]"
       }
      }
     },
     "auth_ref": [
      "r400"
     ]
    },
    "ifrs-full_DividendsRecognisedAsDistributionsToOwnersPerShare": {
     "xbrltype": "perShareItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DividendsRecognisedAsDistributionsToOwnersPerShare",
     "presentation": [
      "http://www.ing.com/role/DividendperordinaryshareAdditionalinformationDetails",
      "http://www.ing.com/role/DividendperordinaryshareScheduleofdividendstoshareholdersoftheparentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Dividends per ordinary share (in EUR per share)",
        "label": "Dividends recognised as distributions to owners per share"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount, per share, of dividends recognised as distributions to owners."
       }
      }
     },
     "auth_ref": [
      "r173",
      "r259",
      "r276"
     ]
    },
    "ifrs-full_DividendsRecognisedForInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeHeldAtEndOfReportingPeriod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "DividendsRecognisedForInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncomeHeldAtEndOfReportingPeriod",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofequitysecuritiesdesignatedasatfairvaluethroughothercomprehensiveincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Dividend income",
        "label": "Dividends recognised for investments in equity instruments designated at fair value through other comprehensive income, held at end of reporting period"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of dividends related to investments in equity instruments that the entity has designated at fair value through other comprehensive income, held at the end of the reporting period. [Refer: Investments in equity instruments designated at fair value through other comprehensive income [member]]"
       }
      }
     },
     "auth_ref": [
      "r117"
     ]
    },
    "dei_DocumentFiscalPeriodFocus": {
     "xbrltype": "fiscalPeriodItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentFiscalPeriodFocus",
     "presentation": [
      "http://www.ing.com/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Document Fiscal Period Focus",
        "label": "Document Fiscal Period Focus",
        "documentation": "Fiscal period values are FY, Q1, Q2, and Q3. 1st, 2nd and 3rd quarter 10-Q or 10-QT statements have value Q1, Q2, and Q3 respectively, with 10-K, 10-KT or other fiscal year statements having FY."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentFiscalYearFocus": {
     "xbrltype": "gYearItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentFiscalYearFocus",
     "presentation": [
      "http://www.ing.com/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Document Fiscal Year Focus",
        "label": "Document Fiscal Year Focus",
        "documentation": "This is focus fiscal year of the document report in YYYY format. For a 2006 annual report, which may also provide financial information from prior periods, fiscal 2006 should be given as the fiscal year focus. Example: 2006."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentPeriodEndDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentPeriodEndDate",
     "presentation": [
      "http://www.ing.com/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Document Period End Date",
        "label": "Document Period End Date",
        "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentType": {
     "xbrltype": "submissionTypeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentType",
     "presentation": [
      "http://www.ing.com/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Document Type",
        "label": "Document Type",
        "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'."
       }
      }
     },
     "auth_ref": []
    },
    "ing_DownsideScenarioMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DownsideScenarioMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Downside scenario",
        "label": "Downside Scenario [Member]",
        "documentation": "The downside scenario refers to the adverse scenarios are calibrated to a similar severity to internal stress tests, whilst also considering IFRS 9 specific sensitivities and non-linearity."
       }
      }
     },
     "auth_ref": []
    },
    "ing_DvaMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "DvaMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSummaryofvaluationadjustmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "DVA",
        "label": "DVA [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "country_ES": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/country/2025",
     "localname": "ES",
     "presentation": [
      "http://www.ing.com/role/LegalproceedingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Spain",
        "label": "SPAIN"
       }
      }
     },
     "auth_ref": []
    },
    "ing_EarlyRepaymentOfLiabilitiesFairValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "EarlyRepaymentOfLiabilitiesFairValue",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialliabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Redemptions",
        "label": "Early Repayment Of Liabilities Fair Value",
        "documentation": "Early repayment of liabilities fair value."
       }
      }
     },
     "auth_ref": []
    },
    "ing_EarningPerOrdinaryShareAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "EarningPerOrdinaryShareAbstract",
     "presentation": [
      "http://www.ing.com/role/EarningsperordinaryshareDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Per ordinary share",
        "label": "Earning Per Ordinary Share [Abstract]",
        "documentation": "Earning Per Ordinary Share"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_EarningsPerShareAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EarningsPerShareAbstract",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Earnings per ordinary share",
        "label": "Earnings per share [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_EarningsPerShareExplanatory": {
     "xbrltype": "textBlockItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EarningsPerShareExplanatory",
     "presentation": [
      "http://www.ing.com/role/EarningsperordinaryshareTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Summary of earnings per ordinary share",
        "label": "Earnings per share [text block]"
       }
      },
      "en": {
       "role": {
        "documentation": "The disclosure of earnings per share."
       }
      }
     },
     "auth_ref": [
      "r22"
     ]
    },
    "ing_EconomicGrowthRate": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "EconomicGrowthRate",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Economic growth rate",
        "label": "Economic Growth Rate",
        "documentation": "Economic Growth Rate"
       }
      }
     },
     "auth_ref": []
    },
    "ing_EconomicSectorPortfolioBasedAdjustments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "EconomicSectorPortfolioBasedAdjustments",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/RiskmanagementManagementadjustmentsDetails": {
       "parentTag": "ing_ManagementAdjustments",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementManagementadjustmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Economic sector / portfolio based adjustments",
        "label": "Economic Sector Portfolio Based Adjustments",
        "documentation": "Economic Sector Portfolio Based Adjustments"
       }
      }
     },
     "auth_ref": []
    },
    "ing_EffectOfEUIAS39CarveOutAdjustmentAfterTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "EffectOfEUIAS39CarveOutAdjustmentAfterTax",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodReconciliationshareholdersequityunderIFRSEUandIFRSIASBDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodReconciliationshareholdersequityunderIFRSEUandIFRSIASBDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTotalLabel": "Effect of adjustment after tax",
        "label": "Effect of EU IAS 39 Carve-Out Adjustment After Tax",
        "documentation": "Effect of EU IAS 39 carve-out adjustment after tax."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_EffectOfExchangeRateChangesOnCashAndCashEquivalents": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EffectOfExchangeRateChangesOnCashAndCashEquivalents",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Effect of exchange rate changes on cash and cash equivalents",
        "label": "Effect of exchange rate changes on cash and cash equivalents"
       }
      },
      "en": {
       "role": {
        "documentation": "The effect of exchange rate changes on cash and cash equivalents held or due in a foreign currency. [Refer: Cash and cash equivalents]"
       }
      }
     },
     "auth_ref": [
      "r50",
      "r51"
     ]
    },
    "ifrs-full_EmployeeBenefitsExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EmployeeBenefitsExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss": {
       "parentTag": "ifrs-full_ExpenseByNature",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Staff expenses",
        "label": "Employee benefits expense"
       }
      }
     },
     "auth_ref": [
      "r172",
      "r268",
      "r308",
      "r363"
     ]
    },
    "dei_EntityCentralIndexKey": {
     "xbrltype": "centralIndexKeyItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityCentralIndexKey",
     "presentation": [
      "http://www.ing.com/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entity Central Index Key",
        "label": "Entity Central Index Key",
        "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK."
       }
      }
     },
     "auth_ref": [
      "r368"
     ]
    },
    "dei_EntityRegistrantName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityRegistrantName",
     "presentation": [
      "http://www.ing.com/role/Cover"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entity Registrant Name",
        "label": "Entity Registrant Name",
        "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC."
       }
      }
     },
     "auth_ref": [
      "r368"
     ]
    },
    "ifrs-full_Equity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Equity",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_EquityAndLiabilities",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails",
      "http://www.ing.com/role/Condensedconsolidatedstatementofchangesinequity",
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition",
      "http://www.ing.com/role/EquitySummaryofequityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total equity",
        "periodStartLabel": "Balance start of period",
        "periodEndLabel": "Balance end of period",
        "verboseLabel": "Shareholders' equity",
        "label": "Equity"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of residual interest in the assets of the entity after deducting all its liabilities."
       }
      }
     },
     "auth_ref": [
      "r67",
      "r69",
      "r85",
      "r86",
      "r93",
      "r202",
      "r219",
      "r251",
      "r252",
      "r263",
      "r288",
      "r291"
     ]
    },
    "ifrs-full_EquityAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EquityAbstract",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Equity",
        "label": "Equity [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_EquityAndEquityCorrelationOneMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "EquityAndEquityCorrelationOneMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Equity/Equity correlation",
        "label": "Equity And Equity Correlation One [Member]",
        "documentation": "Equity and equity correlation."
       }
      }
     },
     "auth_ref": []
    },
    "ing_EquityAndForeignExchangeCorrelationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "EquityAndForeignExchangeCorrelationMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Equity/FX correlation",
        "label": "Equity And Foreign Exchange Correlation [Member]",
        "documentation": "Equity and foreign exchange correlation."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_EquityAndLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EquityAndLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total liabilities and equity",
        "label": "Equity and liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of the entity's equity and liabilities. [Refer: Equity; Liabilities]"
       }
      }
     },
     "auth_ref": [
      "r288"
     ]
    },
    "ing_EquityAtFairValueThroughOtherComprehensiveIncomeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "EquityAtFairValueThroughOtherComprehensiveIncomeMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Equity at FVOCI",
        "label": "Equity At Fair Value Through Other Comprehensive Income [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_EquityAttributableToOwnersOfParent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EquityAttributableToOwnersOfParent",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_Equity",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodReconciliationshareholdersequityunderIFRSEUandIFRSIASBDetails",
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition",
      "http://www.ing.com/role/EquitySummaryofequityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Shareholders\u2019 equity (parent)",
        "terseLabel": "In accordance with IFRS-IASB Shareholders\u2019 equity",
        "verboseLabel": "Shareholders\u2019 equity (parent)",
        "label": "Equity attributable to owners of parent"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of equity attributable to the owners of the parent. This specifically excludes non-controlling interest."
       }
      }
     },
     "auth_ref": [
      "r287"
     ]
    },
    "ifrs-full_EquityAttributableToOwnersOfParentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EquityAttributableToOwnersOfParentMember",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofchangesinequity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Shareholders' equity (parent)",
        "label": "Equity attributable to owners of parent [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for equity attributable to the owners of the parent."
       }
      }
     },
     "auth_ref": [
      "r275"
     ]
    },
    "ing_EquityDerivativesStructuredNotesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "EquityDerivativesStructuredNotesMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSensitivityanalysisoflevel3instrumentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Equity (equity derivatives, structured notes)",
        "label": "Equity Derivatives Structured Notes [Member]",
        "documentation": "Equity (equity derivatives, structured notes)."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_EquityInvestmentsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "EquityInvestmentsMember",
     "presentation": [
      "http://www.ing.com/role/EquitySummaryofequityDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSensitivityanalysisoflevel3instrumentsDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Equity securities at FVOCI",
        "terseLabel": "Equity securities",
        "label": "Equity investments [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for investments in equity instruments."
       }
      }
     },
     "auth_ref": [
      "r345",
      "r348"
     ]
    },
    "srt_EquityMethodInvesteeNameDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "EquityMethodInvesteeNameDomain",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investment, Name [Domain]",
        "label": "Investment, Name [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_EquityVolatilityMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "EquityVolatilityMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Equity volatility (%)",
        "label": "Equity volatility [member]",
        "documentation": "Equity volatility."
       }
      }
     },
     "auth_ref": []
    },
    "ing_EurozoneMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "EurozoneMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Eurozone",
        "label": "Eurozone [Member]",
        "documentation": "Eurozone"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ExchangeRateDifferencesFairValueMeasurementAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ExchangeRateDifferencesFairValueMeasurementAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Exchange rate differences",
        "label": "Exchange Rate Differences Fair Value Measurement Assets",
        "documentation": "Exchange rate differences fair value measurement assets."
       }
      }
     },
     "auth_ref": []
    },
    "ing_ExcludingAllManagmentAdjustmentsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ExcludingAllManagmentAdjustmentsMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementManagementadjustmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Excluding all managment adjustments",
        "label": "Excluding All Managment Adjustments [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ExpectedCreditLossesSensitivityYearOne": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ExpectedCreditLossesSensitivityYearOne",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2026",
        "label": "Expected Credit Losses Sensitivity Year One",
        "documentation": "Sensitivity of expected credit losses by macroeconomic scenario in year one."
       }
      }
     },
     "auth_ref": []
    },
    "ing_ExpectedCreditLossesSensitivityYearThree": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ExpectedCreditLossesSensitivityYearThree",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2028",
        "label": "Expected Credit Losses Sensitivity Year Three",
        "documentation": "Sensitivity of expected credit losses by macroeconomic scenario in year three."
       }
      }
     },
     "auth_ref": []
    },
    "ing_ExpectedCreditLossesSensitivityYearTwo": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ExpectedCreditLossesSensitivityYearTwo",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "2027",
        "label": "Expected Credit Losses Sensitivity Year Two",
        "documentation": "Sensitivity of expected credit losses by macroeconomic scenario in year two."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ExpenseByNature": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ExpenseByNature",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss": {
       "parentTag": "ifrs-full_ProfitLossBeforeTax",
       "weight": -1.0,
       "order": 2.0
      },
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails": {
       "parentTag": "ifrs-full_ProfitLossBeforeTax",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss",
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofreconciliationbetweenIFRSandunderlyingincomeexpensesandnetresultDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total expenses",
        "netLabel": "Expenses",
        "label": "Expenses, by nature"
       }
      }
     },
     "auth_ref": [
      "r308"
     ]
    },
    "ifrs-full_ExpenseByNatureAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ExpenseByNatureAbstract",
     "presentation": [
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Expenses by nature [abstract]",
        "label": "Expenses by nature [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ExposureToCreditRiskOnLoanCommitmentsAndFinancialGuaranteeContracts",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Un-weighted ECL",
        "label": "Exposure to credit risk on loan commitments and financial guarantee contracts"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of the exposure to credit risk on loan commitments and financial guarantee contracts. [Refer: Loan commitments [member]; Financial guarantee contracts [member]; Credit risk [member]]"
       }
      }
     },
     "auth_ref": [
      "r129",
      "r130",
      "r135",
      "r241",
      "r243",
      "r247"
     ]
    },
    "ifrs-full_FairValueHedgesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FairValueHedgesMember",
     "presentation": [
      "http://www.ing.com/role/ValuationresultsandnettradingincomeSummaryofvaluationresultsandnettradingincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "\u2013\u00a0 fair value hedges",
        "label": "Fair value hedges [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for hedges of the exposure to changes in fair value of a recognised asset or liability or an unrecognised firm commitment, or an identified portion of such an asset, liability or firm commitment, that is attributable to a particular risk and could affect profit or loss. [Refer: Types of hedges [domain]]"
       }
      }
     },
     "auth_ref": [
      "r41",
      "r119",
      "r120",
      "r121",
      "r235",
      "r236",
      "r237"
     ]
    },
    "ing_FairValueOfAssetsAndLiabilitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "FairValueOfAssetsAndLiabilitiesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of fair value measurement of assets and liabilities [abstract]",
        "label": "Fair Value of Assets and Liabilities [Abstract]",
        "documentation": "Disclosure of fair value measurement of assets and liabilities."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FairValueOfInvestmentsInEquityInstrumentsDesignatedAsMeasuredAtFairValueThroughOtherComprehensiveIncome",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofequitysecuritiesdesignatedasatfairvaluethroughothercomprehensiveincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Carrying value",
        "label": "Investments in equity instruments designated at fair value through other comprehensive income"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of investments in equity instruments that the entity has designated at fair value through other comprehensive income. [Refer: At fair value [member]; Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r116",
      "r143",
      "r230"
     ]
    },
    "ing_FairValueOfListedInvestment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "FairValueOfListedInvestment",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofinvestmentsinassociatesandjointventuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fair value of listed investments",
        "label": "Fair value of listed investment",
        "documentation": "Fair value of listed investment."
       }
      }
     },
     "auth_ref": []
    },
    "ing_FairValueThroughOtherComprehensiveIncomeAndAmortisedCostMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "FairValueThroughOtherComprehensiveIncomeAndAmortisedCostMember",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesSummaryofsecuritiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Debt securities at fair value through other comprehensive income and amortised cost",
        "label": "Fair value through other comprehensive income and amortised cost [Member]",
        "documentation": "Fair value through other comprehensive income and amortised cost."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_FeeAndCommissionExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FeeAndCommissionExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails": {
       "parentTag": "ifrs-full_FeeAndCommissionIncomeExpense",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss",
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Fee and commission expense",
        "totalLabel": "Total fee and commission expenses",
        "label": "Fee and commission expense"
       }
      }
     },
     "auth_ref": [
      "r407"
     ]
    },
    "ifrs-full_FeeAndCommissionExpenseAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FeeAndCommissionExpenseAbstract",
     "presentation": [
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fee and commission expenses",
        "label": "Fee and commission expense [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_FeeAndCommissionIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FeeAndCommissionIncome",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails": {
       "parentTag": "ifrs-full_FeeAndCommissionIncomeExpense",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss",
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Fee and commission income",
        "totalLabel": "Total fee and commission income",
        "label": "Fee and commission income"
       }
      }
     },
     "auth_ref": [
      "r407"
     ]
    },
    "ifrs-full_FeeAndCommissionIncomeAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FeeAndCommissionIncomeAbstract",
     "presentation": [
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fee and commission income",
        "label": "Fee and commission income [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_FeeAndCommissionIncomeExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FeeAndCommissionIncomeExpense",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss": {
       "parentTag": "ifrs-full_ProfitLossFromOperatingActivities",
       "weight": 1.0,
       "order": 2.0
      },
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails": {
       "parentTag": "ifrs-full_Revenue",
       "weight": 1.0,
       "order": 3.0
      },
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss",
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails",
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Net fee and commission income",
        "terseLabel": "Net fee and commission income",
        "verboseLabel": "Net fee and commission income",
        "label": "Fee and commission income (expense)"
       }
      }
     },
     "auth_ref": [
      "r407"
     ]
    },
    "ifrs-full_FeeAndCommissionIncomeExpenseAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FeeAndCommissionIncomeExpenseAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fee and commission income (expense) [abstract]",
        "label": "Fee and commission income (expense) [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_FinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails",
      "http://www.ing.com/role/DebtsecuritiesSummaryofsecuritiesDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofchangesinfairvaluethroughothercomprehensiveincomefinancialassetsDetails",
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails",
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails",
      "http://www.ing.com/role/RiskmanagementManagementadjustmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Expected credit losses",
        "terseLabel": "Financial assets",
        "periodStartLabel": "Opening balance as at 1 January",
        "periodEndLabel": "Closing balance",
        "totalLabel": "Financial assets",
        "label": "Financial assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity\u2019s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity\u2019s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity\u2019s own equity instruments. For this purpose the entity\u2019s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity\u2019s own equity instruments. [Refer: Classes of financial instruments [domain]; Financial liabilities]"
       }
      }
     },
     "auth_ref": [
      "r122",
      "r129",
      "r130",
      "r135",
      "r241",
      "r243",
      "r247",
      "r344"
     ]
    },
    "ifrs-full_FinancialAssetsAtAmortisedCost": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtAmortisedCost",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0,
       "order": 12.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Securities at amortised cost",
        "label": "Financial assets at amortised cost"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of financial assets at amortised cost. The amortised cost is the amount at which financial assets are measured at initial recognition minus principal repayments, plus or minus the cumulative amortisation using the effective interest method of any difference between that initial amount and the maturity amount, and adjusted for any impairment. [Refer: Financial assets]"
       }
      }
     },
     "auth_ref": [
      "r142",
      "r229"
     ]
    },
    "ifrs-full_FinancialAssetsAtAmortisedCostCategoryMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtAmortisedCostCategoryMember",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails",
      "http://www.ing.com/role/DebtsecuritiesSummaryofsecuritiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Debt securities at amortised cost",
        "label": "Financial assets at amortised cost, category [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the financial assets at amortised cost category. [Refer: Financial assets at amortised cost]"
       }
      }
     },
     "auth_ref": [
      "r142",
      "r229"
     ]
    },
    "ifrs-full_FinancialAssetsAtAmortisedCostMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtAmortisedCostMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financial Assets",
        "label": "Financial assets at amortised cost, class [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the financial assets measured at amortised cost class. [Refer: Financial assets at amortised cost]"
       }
      }
     },
     "auth_ref": [
      "r145",
      "r168",
      "r234"
     ]
    },
    "ifrs-full_FinancialAssetsAtFairValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtFairValue",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesAdditionalinformationDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fair value of swap",
        "totalLabel": "Total financial assets",
        "periodStartLabel": "Opening balance as at 1 January",
        "periodEndLabel": "Closing balance",
        "label": "Financial assets, at fair value"
       }
      },
      "en": {
       "role": {
        "documentation": "The fair value of financial assets. [Refer: At fair value [member]; Financial assets]"
       }
      }
     },
     "auth_ref": [
      "r122"
     ]
    },
    "ifrs-full_FinancialAssetsAtFairValueMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtFairValueMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financial assets at fair value, class",
        "label": "Financial assets at fair value, class [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the financial assets measured at fair value class. [Refer: Financial assets; At fair value [member]]"
       }
      }
     },
     "auth_ref": [
      "r145"
     ]
    },
    "ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtFairValueThroughOtherComprehensiveIncome",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails": {
       "parentTag": "ifrs-full_FinancialAssetsAtFairValue",
       "weight": 1.0,
       "order": 2.0
      },
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0,
       "order": 8.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryoffinancialassetsatfairvaluethroughothercomprehensiveincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financial assets at fair value through other comprehensive income",
        "label": "Financial assets at fair value through other comprehensive income"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of financial assets at fair value through other comprehensive income. [Refer: At fair value [member]; Financial assets; Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r143",
      "r231"
     ]
    },
    "ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financial assets at fair value through other comprehensive income [abstract]",
        "label": "Financial assets at fair value through other comprehensive income [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails",
      "http://www.ing.com/role/DebtsecuritiesSummaryofsecuritiesDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSensitivityanalysisoflevel3instrumentsDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeAdditionalinformationDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofchangesinfairvaluethroughothercomprehensiveincomefinancialassetsDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryoffinancialassetsatfairvaluethroughothercomprehensiveincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financial assets at FVOCI",
        "netLabel": "Debt securities at fair value through other comprehensive income",
        "label": "Financial assets at fair value through other comprehensive income, category [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the financial assets at fair value through other comprehensive income category. [Refer: Financial assets at fair value through other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r143",
      "r231"
     ]
    },
    "ing_FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTextBlock",
     "presentation": [
      "http://www.ing.com/role/Financialassetsatfairvaluethroughothercomprehensiveincome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financial assets at fair value through other comprehensive income",
        "label": "Financial Assets at Fair Value Through Other Comprehensive Income [Text Block]",
        "documentation": "The disclosure of financial assets at fair value through other comprehensive income."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtFairValueThroughProfitOrLoss",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails": {
       "parentTag": "ifrs-full_FinancialAssetsAtFairValue",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0,
       "order": 4.0
      },
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryoffinancialassetsatfairvaluethroughprofitorlossDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryoffinancialassetsatfairvaluethroughprofitorlossDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financial assets at fair value through profit or loss",
        "totalLabel": "Financial assets at fair value through profit or loss",
        "label": "Financial assets at fair value through profit or loss"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of financial assets that are measured at fair value and for which gains (losses) are recognised in profit or loss. A financial asset shall be measured at fair value through profit or loss unless it is measured at amortised cost or at fair value through other comprehensive income. A gain (loss) on a financial asset measured at fair value shall be recognised in profit or loss unless it is part of a hedging relationship, it is an investment in an equity instrument for which the entity has elected to present gains and losses in other comprehensive income or it is a financial asset measured at fair value through other comprehensive income. [Refer: At fair value [member]; Financial assets]"
       }
      }
     },
     "auth_ref": [
      "r140",
      "r225"
     ]
    },
    "ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtFairValueThroughProfitOrLossAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Financial assets at fair value through profit or loss [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails",
      "http://www.ing.com/role/DebtsecuritiesSummaryofsecuritiesDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSensitivityanalysisoflevel3instrumentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Total debt securities at fair value through profit or loss",
        "netLabel": "Debt securities at fair value through profit or loss",
        "terseLabel": "Financial assets at fair value through profit or loss, category",
        "label": "Financial assets at fair value through profit or loss, category [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the financial assets at fair value through profit or loss category. [Refer: Financial assets at fair value through profit or loss]"
       }
      }
     },
     "auth_ref": [
      "r140",
      "r225"
     ]
    },
    "ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryoffinancialassetsatfairvaluethroughprofitorlossDetails": {
       "parentTag": "ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryoffinancialassetsatfairvaluethroughprofitorlossDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Trading assets",
        "label": "Financial assets at fair value through profit or loss, classified as held for trading"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of financial assets at fair value through profit or loss classified as held for trading. A financial asset is classified as held for trading if: (a) it is acquired principally for the purpose of selling it in the near term; (b) on initial recognition it is part of a portfolio of identified financial instruments that are managed together and for which there is evidence of a recent actual pattern of short-term profit-taking; or (c) it is a derivative (except for a derivative that is a financial guarantee contract or a designated and effective hedging instrument). [Refer: At fair value [member]; Financial assets at fair value through profit or loss, mandatorily measured at fair value]"
       }
      }
     },
     "auth_ref": [
      "r405"
     ]
    },
    "ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtFairValueThroughProfitOrLossClassifiedAsHeldForTradingCategoryMember",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesSummaryofsecuritiesDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Trading assets",
        "verboseLabel": "Trading assets, loans and receivables",
        "label": "Financial assets at fair value through profit or loss, classified as held for trading, category [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the financial assets at fair value through profit or loss classified as held for trading category. [Refer: Financial assets at fair value through profit or loss, classified as held for trading]"
       }
      }
     },
     "auth_ref": [
      "r264"
     ]
    },
    "ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryoffinancialassetsatfairvaluethroughprofitorlossDetails": {
       "parentTag": "ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryoffinancialassetsatfairvaluethroughprofitorlossDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Designated at fair value through profit or loss",
        "label": "Financial assets at fair value through profit or loss, designated upon initial recognition or subsequently"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of financial assets at fair value through profit or loss that were designated as such upon initial recognition or subsequently. [Refer: At fair value [member]; Financial assets at fair value through profit or loss]"
       }
      }
     },
     "auth_ref": [
      "r140"
     ]
    },
    "ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesSummaryofsecuritiesDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Debt securities designated and measured at fair value through profit or loss",
        "terseLabel": "Financial assets designated at FVPL",
        "label": "Financial assets at fair value through profit or loss, designated upon initial recognition or subsequently, category [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the financial assets at fair value through profit or loss designated as such upon initial recognition or subsequently category. [Refer: Financial assets at fair value through profit or loss, designated upon initial recognition or subsequently]"
       }
      }
     },
     "auth_ref": [
      "r140"
     ]
    },
    "ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValue",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryoffinancialassetsatfairvaluethroughprofitorlossDetails": {
       "parentTag": "ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryoffinancialassetsatfairvaluethroughprofitorlossDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "netLabel": "Mandatorily measured at fair value through profit or loss",
        "label": "Financial assets at fair value through profit or loss, mandatorily measured at fair value"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of financial assets mandatorily measured at fair value through profit or loss in accordance with IFRS 9. [Refer: Financial assets at fair value through profit or loss]"
       }
      }
     },
     "auth_ref": [
      "r140"
     ]
    },
    "ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueCategoryMember",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesSummaryofsecuritiesDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financial assets mandatorily at FVPL",
        "verboseLabel": "Debt securities mandatorily measured at fair value through profit or loss",
        "label": "Financial assets at fair value through profit or loss, mandatorily measured at fair value, category [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the financial assets mandatorily measured at fair value through profit or loss category. [Refer: Financial assets at fair value through profit or loss, mandatorily measured at fair value]"
       }
      }
     },
     "auth_ref": [
      "r140"
     ]
    },
    "ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueOtherThanThoseClassifiedAsHeldForTrading": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialAssetsAtFairValueThroughProfitOrLossMandatorilyMeasuredAtFairValueOtherThanThoseClassifiedAsHeldForTrading",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryoffinancialassetsatfairvaluethroughprofitorlossDetails": {
       "parentTag": "ifrs-full_FinancialAssetsAtFairValueThroughProfitOrLoss",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryoffinancialassetsatfairvaluethroughprofitorlossDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Non-trading derivatives",
        "label": "Financial assets at fair value through profit or loss, mandatorily measured at fair value, other than those classified as held for trading"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of financial assets mandatorily measured at fair value through profit or loss in accordance with IFRS 9, other than those classified as held for trading. [Refer: Financial assets at fair value through profit or loss, mandatorily measured at fair value]"
       }
      }
     },
     "auth_ref": [
      "r405"
     ]
    },
    "ing_FinancialAssetsClassifiedAsLevel3BasedOnQuotedPrice": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "FinancialAssetsClassifiedAsLevel3BasedOnQuotedPrice",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financial assets classified as Level 3 based on quoted price",
        "label": "Financial assets classified as Level 3 based on quoted price",
        "documentation": "Financial assets classified as Level 3 based on quoted price."
       }
      }
     },
     "auth_ref": []
    },
    "ing_FinancialAssetsIncreaseDecreaseInProvisions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "FinancialAssetsIncreaseDecreaseInProvisions",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financial assets, increase (decrease) in provisions",
        "label": "Financial Assets, Increase (Decrease) In Provisions",
        "documentation": "Financial Assets, Increase (Decrease) In Provisions"
       }
      }
     },
     "auth_ref": []
    },
    "ing_FinancialGuaranteesAndOtherCommitments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "FinancialGuaranteesAndOtherCommitments",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails": {
       "parentTag": "ifrs-full_FeeAndCommissionIncome",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financial guarantees and other commitments",
        "label": "Financial Guarantees And Other Commitments",
        "documentation": "Financial Guarantees And Other Commitments"
       }
      }
     },
     "auth_ref": []
    },
    "ing_FinancialInstitutionsBondsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "FinancialInstitutionsBondsMember",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financial institutions' bonds",
        "label": "Financial Institutions Bonds [Member]",
        "documentation": "Financial institutions bonds."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_FinancialInstrumentsCreditimpairedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialInstrumentsCreditimpairedMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Credit impaired",
        "label": "Financial instruments credit-impaired [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for financial instruments that are credit-impaired. [Refer: Credit impairment of financial instruments [domain]]"
       }
      }
     },
     "auth_ref": [
      "r129",
      "r135",
      "r241",
      "r247"
     ]
    },
    "ifrs-full_FinancialInstrumentsNotCreditimpairedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialInstrumentsNotCreditimpairedMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Not credit-impaired",
        "label": "Financial instruments not credit-impaired [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for financial instruments that are not credit-impaired. [Refer: Credit impairment of financial instruments [domain]]"
       }
      }
     },
     "auth_ref": [
      "r129",
      "r135",
      "r241",
      "r247"
     ]
    },
    "ifrs-full_FinancialInstrumentsPurchasedOrOriginatedCreditimpairedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialInstrumentsPurchasedOrOriginatedCreditimpairedMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails",
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Purchased credit impaired",
        "label": "Financial instruments purchased or originated credit-impaired [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for financial instruments that were purchased or originated as credit-impaired. [Refer: Financial instruments credit-impaired [member]]"
       }
      }
     },
     "auth_ref": [
      "r128",
      "r134",
      "r240",
      "r246"
     ]
    },
    "ifrs-full_FinancialLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Financial liabilities",
        "label": "Financial liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of liabilities that are: (a) a contractual obligation: (i) to deliver cash or another financial asset to another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially unfavourable to the entity; or (b) a contract that will, or may be, settled in the entity\u2019s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to deliver a variable number of the entity\u2019s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity\u2019s own equity instruments. For this purpose, rights, options or warrants to acquire a fixed number of the entity\u2019s own equity instruments for a fixed amount of any currency are equity instruments if the entity offers the rights, options or warrants pro rata to all of its existing owners of the same class of its own non-derivative equity instruments. Also, for those purposes the entity\u2019s own equity instruments do not include puttable financial instruments that are classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity\u2019s own equity instruments. As an exception, an instrument that meets the definition of a financial liability is classified as an equity instrument if it has all the features and meets the conditions in paragraphs 16A-16B or paragraphs 16C-16D of IAS 32. [Refer: Classes of financial instruments [domain]; Financial assets; Derivatives [member]]"
       }
      }
     },
     "auth_ref": [
      "r122"
     ]
    },
    "ifrs-full_FinancialLiabilitiesAtAmortisedCostMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialLiabilitiesAtAmortisedCostMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financial liabilities",
        "label": "Financial liabilities at amortised cost, class [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the financial liabilities measured at amortised cost class. [Refer: Financial liabilities at amortised cost]"
       }
      }
     },
     "auth_ref": [
      "r145",
      "r168",
      "r234"
     ]
    },
    "ifrs-full_FinancialLiabilitiesAtFairValue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialLiabilitiesAtFairValue",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialliabilitiesDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financial liabilities, at fair value",
        "periodStartLabel": "Opening balance as at 1 January",
        "periodEndLabel": "Closing balance",
        "label": "Financial liabilities, at fair value"
       }
      },
      "en": {
       "role": {
        "documentation": "The fair value of financial liabilities. [Refer: At fair value [member]; Financial liabilities]"
       }
      }
     },
     "auth_ref": [
      "r122"
     ]
    },
    "ifrs-full_FinancialLiabilitiesAtFairValueMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialLiabilitiesAtFairValueMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialliabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financial liabilities at fair value, class",
        "label": "Financial liabilities at fair value, class [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the financial liabilities measured at fair value class. [Refer: Financial liabilities; At fair value [member]]"
       }
      }
     },
     "auth_ref": [
      "r145"
     ]
    },
    "ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialLiabilitiesAtFairValueThroughProfitOrLoss",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_Liabilities",
       "weight": 1.0,
       "order": 4.0
      },
      "http://www.ing.com/role/FinancialliabilitiesatfairvaluethroughprofitorlossDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesAdditionalinformationDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails",
      "http://www.ing.com/role/FinancialliabilitiesatfairvaluethroughprofitorlossDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financial liabilities at fair value through profit or loss",
        "totalLabel": "Financial liabilities",
        "verboseLabel": "Financial liabilities measured at fair value",
        "label": "Financial liabilities at fair value through profit or loss"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of financial liabilities that meet either of the following conditions: (a) they meet the definition of held for trading; or (b) upon initial recognition they are designated by the entity as at fair value through profit or loss. An entity may use this designation only when permitted by paragraph 4.3.5 of IFRS 9 (embedded derivatives) or when doing so results in more relevant information, because either: (a) it eliminates or significantly reduces a measurement or recognition inconsistency (sometimes referred to as \u2018an accounting mismatch\u2019) that would otherwise arise from measuring assets or liabilities or recognising the gains and losses on them on different bases; or (b) a group of financial liabilities or financial assets and financial liabilities is managed and its performance is evaluated on a fair value basis, in accordance with a documented risk management or investment strategy, and information about the group is provided internally on that basis to the entity\u2019s key management personnel (as defined in IAS 24). [Refer: At fair value [member]; Key management personnel of entity or parent [member]; Derivatives [member]; Financial assets; Financial liabilities]"
       }
      }
     },
     "auth_ref": [
      "r141",
      "r228"
     ]
    },
    "ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialLiabilitiesAtFairValueThroughProfitOrLossAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financial liabilities at fair value through profit or loss",
        "label": "Financial liabilities at fair value through profit or loss [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForNonTradingDerivatives": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForNonTradingDerivatives",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/FinancialliabilitiesatfairvaluethroughprofitorlossDetails": {
       "parentTag": "ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/FinancialliabilitiesatfairvaluethroughprofitorlossDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Non-trading derivatives",
        "label": "Non-trading derivative"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialLiabilitiesAtFairValueThroughProfitOrLossClassifiedAsHeldForTrading",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/FinancialliabilitiesatfairvaluethroughprofitorlossDetails": {
       "parentTag": "ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/FinancialliabilitiesatfairvaluethroughprofitorlossDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Trading liabilities",
        "label": "Financial liabilities at fair value through profit or loss that meet definition of held for trading"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of financial liabilities at fair value through profit or loss that meet the definition of held for trading. A financial liability is classified as held for trading if: (a) it is acquired or incurred principally for the purpose of selling or repurchasing it in the near term; (b) on initial recognition it is part of a portfolio of identified financial instruments that are managed together and for which there is evidence of a recent actual pattern of short-term profit-taking; or (c) it is a derivative (except for a derivative that is a financial guarantee contract or a designated and effective hedging instrument). [Refer: Financial liabilities at fair value through profit or loss]"
       }
      }
     },
     "auth_ref": [
      "r141",
      "r227"
     ]
    },
    "ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedAsUponInitialRecognition",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/FinancialliabilitiesatfairvaluethroughprofitorlossDetails": {
       "parentTag": "ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLoss",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/FinancialliabilitiesatfairvaluethroughprofitorlossDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Designated at fair value through profit or loss",
        "label": "Financial liabilities at fair value through profit or loss, designated upon initial recognition or subsequently"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of financial liabilities at fair value through profit or loss that were designated as such upon initial recognition or subsequently. [Refer: At fair value [member]; Financial liabilities at fair value through profit or loss]"
       }
      }
     },
     "auth_ref": [
      "r141",
      "r226"
     ]
    },
    "ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialLiabilitiesAtFairValueThroughProfitOrLossDesignatedUponInitialRecognitionCategoryMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialliabilitiesDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financial liabilities designated as at fair value through profit or loss",
        "label": "Financial liabilities at fair value through profit or loss, designated upon initial recognition or subsequently, category [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the financial liabilities at fair value through profit or loss designated as such upon initial recognition or subsequently category. [Refer: Financial liabilities at fair value through profit or loss, designated upon initial recognition or subsequently]"
       }
      }
     },
     "auth_ref": [
      "r141",
      "r226"
     ]
    },
    "ifrs-full_FinancialLiabilitiesAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTradingCategoryMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "FinancialLiabilitiesAtFairValueThroughProfitOrLossThatMeetDefinitionOfHeldForTradingCategoryMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialliabilitiesDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Trading liabilities, funds on deposit",
        "verboseLabel": "Trading liabilities",
        "label": "Financial liabilities at fair value through profit or loss that meet definition of held for trading, category [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the financial liabilities at fair value through profit or loss that meet the definition of held for trading category. [Refer: Financial liabilities at fair value through profit or loss that meet definition of held for trading]"
       }
      }
     },
     "auth_ref": [
      "r141",
      "r227"
     ]
    },
    "ing_FinancialLiabilitiesClassifiedAsLevelBasedOnUnadjustedQuotedPriceInactiveMarkets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "FinancialLiabilitiesClassifiedAsLevelBasedOnUnadjustedQuotedPriceInactiveMarkets",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Financial Liabilities classified as Level 3 based on unadjusted quoted price",
        "label": "Financial Liabilities classified as Level 3 based on unadjusted quoted price inactive markets",
        "documentation": "Financial Liabilities classified as Level 3 based on unadjusted quoted price."
       }
      }
     },
     "auth_ref": []
    },
    "ing_FullyloadedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "FullyloadedMember",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fully-loaded",
        "label": "fully-loaded [member]",
        "documentation": "fully-loaded [member]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_FundsEntrustedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "FundsEntrustedMember",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Funds entrusted designated and measured at fair value through profit or loss",
        "label": "Funds entrusted [member]",
        "documentation": "Funds entrusted."
       }
      }
     },
     "auth_ref": []
    },
    "ing_FvaMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "FvaMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSummaryofvaluationadjustmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "FVA",
        "label": "FVA [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "currency_GBP": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/currency/2025",
     "localname": "GBP",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "United Kingdom, Pounds",
        "label": "United Kingdom, Pounds"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_GainLossRecognisedAsResultOfRemeasuringToFairValueEquityInterestInAcquireeHeldByAcquirerBeforeBusinessCombination": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GainLossRecognisedAsResultOfRemeasuringToFairValueEquityInterestInAcquireeHeldByAcquirerBeforeBusinessCombination",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/BusinessesacquiredanddivestedDetails",
      "http://www.ing.com/role/BusinessesacquiredanddivestedDisclosureofbusinessacquisitionDetails",
      "http://www.ing.com/role/IntangibleassetsAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Remeasurement pre-existing interest",
        "label": "Gain (loss) recognised as result of remeasuring to fair value equity interest in acquiree held by acquirer before business combination"
       }
      },
      "en": {
       "role": {
        "documentation": "The gain (loss) recognised as result of remeasuring to fair value the equity interest in the acquiree held by the acquirer before the business combination. [Refer: Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r109"
     ]
    },
    "ing_GainsLossesOnAssetsAndLiabilitiesDesignatedAtFairValueThroughProfitOrLossExcludingTrading": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "GainsLossesOnAssetsAndLiabilitiesDesignatedAtFairValueThroughProfitOrLossExcludingTrading",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/ValuationresultsandnettradingincomeSummaryofvaluationresultsandnettradingincomeDetails": {
       "parentTag": "ifrs-full_TradingIncomeExpense",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/ValuationresultsandnettradingincomeSummaryofvaluationresultsandnettradingincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Valuation results on assets and liabilities designated and mandatory at FVPL (excluding trading)",
        "label": "Gains (Losses) On Assets And Liabilities Designated At Fair Value Through Profit Or Loss Excluding Trading",
        "documentation": "Gains losses on assets and liabilities designated at fair value through profit or loss excluding trading."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_GainsLossesOnChangeInFairValueOfDerivatives": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GainsLossesOnChangeInFairValueOfDerivatives",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/ValuationresultsandnettradingincomeSummaryofvaluationresultsandnettradingincomeDetails": {
       "parentTag": "ifrs-full_TradingIncomeExpense",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/ValuationresultsandnettradingincomeSummaryofvaluationresultsandnettradingincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Change in fair value of derivatives relating to",
        "label": "Gains (losses) on change in fair value of derivatives"
       }
      },
      "en": {
       "role": {
        "documentation": "The gains (losses) resulting from change in the fair value of derivatives recognised in profit or loss. [Refer: Derivatives [member]]"
       }
      }
     },
     "auth_ref": [
      "r407"
     ]
    },
    "ing_GainsLossesOnChangeInFairValueOfHedgedItems": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "GainsLossesOnChangeInFairValueOfHedgedItems",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/ValuationresultsandnettradingincomeSummaryofvaluationresultsandnettradingincomeDetails": {
       "parentTag": "ifrs-full_TradingIncomeExpense",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/ValuationresultsandnettradingincomeSummaryofvaluationresultsandnettradingincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Change in fair value of assets and liabilities (hedged items)",
        "label": "Gains (Losses) On Change In Fair Value Of Hedged Items",
        "documentation": "Gains (Losses) On Change In Fair Value Of Hedged Items"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GainsLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome": {
       "parentTag": "ifrs-full_OtherComprehensiveIncome",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "- Change in fair value of debt instruments at fair value through other comprehensive income",
        "label": "Gains (losses) on financial assets measured at fair value through other comprehensive income, net of tax"
       }
      },
      "en": {
       "role": {
        "documentation": "The gains (losses) recognised in other comprehensive income on financial assets measured at fair value through other comprehensive income applying paragraph 4.1.2A of IFRS 9, net of tax, before reclassification adjustments. [Refer: Financial assets measured at fair value through other comprehensive income; Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r306"
     ]
    },
    "ifrs-full_GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Revaluation recognised in other comprehensive income during the period",
        "label": "Gains (losses) recognised in other comprehensive income including exchange differences, fair value measurement, assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The gains (losses) including exchange differences recognised in other comprehensive income on the fair value measurement of assets. [Refer: At fair value [member]; Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r90",
      "r254"
     ]
    },
    "ifrs-full_GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForAssetsHeldAtEndOfPeriodFairValueMeasurement": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GainsLossesRecognisedInProfitOrLossAttributableToChangeInUnrealisedGainsOrLossesForAssetsHeldAtEndOfPeriodFairValueMeasurement",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialliabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Unrealised gains on (losses) recognised in the statement of profit or loss",
        "label": "Gains (losses) recognised in profit or loss attributable to change in unrealised gains or losses for assets held at end of period, fair value measurement"
       }
      },
      "en": {
       "role": {
        "documentation": "The gains (losses) recognised in profit or loss for assets measured at fair value that are attributable to the change in unrealised gains or losses relating to those assets held at the end of the reporting period. [Refer: At fair value [member]]"
       }
      }
     },
     "auth_ref": [
      "r94"
     ]
    },
    "ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GainsLossesRecognisedInProfitOrLossFairValueMeasurementAssets",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Realised gain/loss recognised in the statement of profit or loss during the period",
        "label": "Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The gains (losses) including exchange differences recognised in profit or loss on the fair value measurement of assets. [Refer: At fair value [member]]"
       }
      }
     },
     "auth_ref": [
      "r89",
      "r253"
     ]
    },
    "ifrs-full_GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GainsLossesRecognisedInProfitOrLossFairValueMeasurementLiabilities",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialliabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Realised gain/loss recognised in the statement of profit or loss during the period",
        "label": "Gains (losses) recognised in profit or loss including exchange differences, fair value measurement, liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The gains (losses) including exchange differences recognised in profit or loss on the fair value measurement of liabilities. [Refer: At fair value [member]]"
       }
      }
     },
     "auth_ref": [
      "r89",
      "r253"
     ]
    },
    "ifrs-full_GainsLossesRecognisedInProfitOrLossOnExchangeDifferencesFairValueMeasurementLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GainsLossesRecognisedInProfitOrLossOnExchangeDifferencesFairValueMeasurementLiabilities",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialliabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Exchange rate differences",
        "label": "Gains (losses) recognised in profit or loss on exchange differences, fair value measurement, liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The gains (losses) on exchange differences, recognised in profit or loss, on the fair value measurement of liabilities. [Refer: At fair value [member]]"
       }
      }
     },
     "auth_ref": [
      "r387"
     ]
    },
    "ifrs-full_GeographicalAreasAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GeographicalAreasAxis",
     "presentation": [
      "http://www.ing.com/role/LegalproceedingsDetails",
      "http://www.ing.com/role/OtheroperatingexpensesAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Geographical areas [axis]",
        "label": "Geographical areas [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r162",
      "r309",
      "r331",
      "r333",
      "r352"
     ]
    },
    "ifrs-full_GeographicalAreasDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GeographicalAreasDomain",
     "presentation": [
      "http://www.ing.com/role/LegalproceedingsDetails",
      "http://www.ing.com/role/OtheroperatingexpensesAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Geographical areas [domain]",
        "label": "Geographical areas [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for aggregated geographical areas. It also represents the standard value for the 'Geographical areas' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r162",
      "r309",
      "r331",
      "r333",
      "r352"
     ]
    },
    "ing_GermanyBelgiumPolandMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "GermanyBelgiumPolandMember",
     "presentation": [
      "http://www.ing.com/role/OtheroperatingexpensesAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Germany, Belgium, Poland",
        "label": "Germany, Belgium, Poland [Member]",
        "documentation": "Germany, Belgium, Poland"
       }
      }
     },
     "auth_ref": []
    },
    "ing_GlobalGdpRateIncreaseDecrease": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "GlobalGdpRateIncreaseDecrease",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Global GDP increase",
        "label": "Global GDP Rate Increase (Decrease)",
        "documentation": "Global GDP Rate Increase (Decrease)"
       }
      }
     },
     "auth_ref": []
    },
    "ing_GlobalGdpRateIncreaseDecreaseAssumed": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "GlobalGdpRateIncreaseDecreaseAssumed",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Global GDP rate assumed",
        "label": "Global GDP Rate Increase (Decrease) Assumed",
        "documentation": "Global GDP Rate Increase (Decrease) Assumed"
       }
      }
     },
     "auth_ref": []
    },
    "ing_GlobalOutputPercent": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "GlobalOutputPercent",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Global output percent",
        "label": "Global Output Percent",
        "documentation": "Global Output Percent"
       }
      }
     },
     "auth_ref": []
    },
    "ing_GoldmanSachsTFIMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "GoldmanSachsTFIMember",
     "presentation": [
      "http://www.ing.com/role/BusinessesacquiredanddivestedDetails",
      "http://www.ing.com/role/BusinessesacquiredanddivestedDisclosureofbusinessacquisitionDetails",
      "http://www.ing.com/role/IntangibleassetsAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Goldman Sachs TFI",
        "label": "Goldman Sachs TFI [Member]",
        "documentation": "Goldman Sachs TFI"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_GoodwillMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GoodwillMember",
     "presentation": [
      "http://www.ing.com/role/IntangibleassetsAdditionalinformationDetails",
      "http://www.ing.com/role/IntangibleassetsScheduleofchangesinintangibleassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Goodwill",
        "label": "Goodwill [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for goodwill. [Refer: Goodwill]"
       }
      }
     },
     "auth_ref": [
      "r312",
      "r353"
     ]
    },
    "ifrs-full_GoodwillRecognisedAsOfAcquisitionDate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GoodwillRecognisedAsOfAcquisitionDate",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/BusinessesacquiredanddivestedDetails",
      "http://www.ing.com/role/BusinessesacquiredanddivestedDisclosureofbusinessacquisitionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Goodwill",
        "label": "Goodwill recognised as of acquisition date"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount recognised as of the business combination's acquisition date for goodwill. [Refer: Goodwill; Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r336",
      "r337",
      "r355"
     ]
    },
    "ing_GovernmentAndFinancialInstitutionsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "GovernmentAndFinancialInstitutionsMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementQuantitativeSICRthresholdsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Governments and financial institutions",
        "label": "Government And Financial Institutions [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_GovernmentBondsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "GovernmentBondsMember",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Government bonds",
        "label": "Government bonds [member]",
        "documentation": "This member represents Government bonds."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_GrossCarryingAmountMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "GrossCarryingAmountMember",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails",
      "http://www.ing.com/role/IntangibleassetsScheduleofchangesinintangibleassetsDetails",
      "http://www.ing.com/role/LoansandadvancestocustomersDetails",
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails",
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Gross carrying amount",
        "label": "Gross carrying amount [member]"
       }
      }
     },
     "auth_ref": [
      "r7",
      "r35",
      "r45",
      "r48",
      "r111",
      "r130",
      "r135",
      "r197",
      "r209",
      "r215",
      "r218",
      "r243",
      "r247",
      "r344"
     ]
    },
    "ing_GrossCarryingAmountPerIFRS9StageAndRatingClassExplanatoryTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "GrossCarryingAmountPerIFRS9StageAndRatingClassExplanatoryTableTextBlock",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Gross carrying amount per IFRS 9 stage and rating class",
        "label": "Gross Carrying Amount Per IFRS 9 Stage And Rating Class Explanatory [Table Text Block]",
        "documentation": "Disclosure of gross carrying amount per IFRS 9 stage and rating class"
       }
      }
     },
     "auth_ref": []
    },
    "ing_GrossDomesticProductEconomicVariableMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "GrossDomesticProductEconomicVariableMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Real GDP",
        "label": "Gross Domestic Product Economic Variable [Member]",
        "documentation": "This member stands for Gross Domestic Product, a key historic macroeconomic core variable. The GDP is compared against the forecast paths of the probability weights for each scenario, demonstrating the highest annual growth in the Upside scenarios; 5 year average in Baseline; lowest annual growth in Downside scenarios."
       }
      }
     },
     "auth_ref": []
    },
    "ing_HousePriceIndexEconomicCoreVariableMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "HousePriceIndexEconomicCoreVariableMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "HPI",
        "label": "House Price Index Economic Core Variable [Member]",
        "documentation": "This member stands for the House Price Index, a key historic macroeconomic core variable. The House Price Index is compared against the forecast paths of the probability weights for each scenario, demonstrating 5 year cumulative growth in Upside scenarios; 5 year average in Baseline; cumulative fall (peak-to-trough) in Downside scenarios."
       }
      }
     },
     "auth_ref": []
    },
    "ing_IAS29Member": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "IAS29Member",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "IAS 29",
        "label": "IAS 29 [Member]",
        "documentation": "IAS 29"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IFRS9Member": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IFRS9Member",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "IFRS 9",
        "label": "IFRS 9 [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for IFRS 9 Financial Instruments."
       }
      }
     },
     "auth_ref": [
      "r389",
      "r392",
      "r393",
      "r394",
      "r395",
      "r396",
      "r397",
      "r398"
     ]
    },
    "ing_IFRSEUResultsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "IFRSEUResultsMember",
     "presentation": [
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofreconciliationbetweenIFRSandunderlyingincomeexpensesandnetresultDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Results IFRS-EU",
        "label": "IFRS EU Results [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_INGBankNVMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "INGBankNVMember",
     "presentation": [
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ING Bank",
        "label": "ING Bank NV [Member]",
        "documentation": "ING Bank NV."
       }
      }
     },
     "auth_ref": []
    },
    "ing_INGGroupMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "INGGroupMember",
     "presentation": [
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "ING Group",
        "label": "ING Group [member]",
        "documentation": "ING group."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IdentifiableAssetsAcquiredLiabilitiesAssumed": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IdentifiableAssetsAcquiredLiabilitiesAssumed",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/BusinessesacquiredanddivestedDisclosureofbusinessacquisitionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Fair value of identifiable net assets (100%)",
        "label": "Identifiable assets acquired (liabilities assumed)"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount recognised as of the acquisition date for net identifiable assets acquired or liabilities assumed in a business combination. [Refer: Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r335",
      "r337",
      "r354"
     ]
    },
    "ing_Ifrs9EligibleFinancialAssetsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "Ifrs9EligibleFinancialAssetsMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "IFRS-9 Eligible Financial Assets",
        "label": "IFRS-9 Eligible Financial Assets [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ImpactOfInterestRateVolatilityEUIAS39CarveOutAdjustment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ImpactOfInterestRateVolatilityEUIAS39CarveOutAdjustment",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/ValuationresultsandnettradingincomeAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Impact of interest rate volatility, EU IAS39 carve out adjustment",
        "label": "Impact Of Interest Rate Volatility, EU IAS 39 Carve Out Adjustment",
        "documentation": "Impact Of Interest Rate Volatility, EU IAS 39 Carve Out Adjustment"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ImpairmentLossOfInvestmentsInAssociatesAndJointVentures": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ImpairmentLossOfInvestmentsInAssociatesAndJointVentures",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofchangesininvestmentsinassociatesandjointventuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Impairments",
        "label": "Impairment Loss Of Investments In Associates And Joint Ventures"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsAndGoodwill",
     "presentation": [
      "http://www.ing.com/role/IntangibleassetsScheduleofchangesinintangibleassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Impairment",
        "label": "Impairment loss recognised in profit or loss, intangible assets and goodwill"
       }
      }
     },
     "auth_ref": [
      "r374"
     ]
    },
    "ing_ImpliedVolatilityMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ImpliedVolatilityMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Implied volatility (%)",
        "label": "Implied volatility (%) [member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncomeStatementAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncomeStatementAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Profit or loss [abstract]",
        "label": "Profit or loss [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncomeTaxExpenseContinuingOperations": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncomeTaxExpenseContinuingOperations",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss": {
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss",
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofreconciliationbetweenIFRSandunderlyingincomeexpensesandnetresultDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Taxation",
        "terseLabel": "Taxation",
        "label": "Tax expense (income)"
       }
      }
     },
     "auth_ref": [
      "r3",
      "r4",
      "r5",
      "r15",
      "r81",
      "r151",
      "r193",
      "r194",
      "r195",
      "r305"
     ]
    },
    "ifrs-full_IncomeTaxesPaidClassifiedAsOperatingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncomeTaxesPaidClassifiedAsOperatingActivities",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": -1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Taxation paid",
        "label": "Income taxes paid, classified as operating activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for income taxes paid, classified as operating activities."
       }
      }
     },
     "auth_ref": [
      "r385"
     ]
    },
    "ifrs-full_IncreaseDecreaseDueToDepartureFromRequirementOfIFRSMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseDueToDepartureFromRequirementOfIFRSMember",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Increase (decrease) due to departure from requirement of IFRS",
        "label": "Increase (decrease) due to departure from requirement of IFRS [member]"
       }
      }
     },
     "auth_ref": [
      "r185",
      "r262",
      "r280"
     ]
    },
    "ing_IncreaseDecreaseDueToSalesAndRepaymentsFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "IncreaseDecreaseDueToSalesAndRepaymentsFinancialAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Increase (decrease) due to sales and repayments, financial assets",
        "label": "Increase (Decrease) Due To Sales and Repayments, Financial Assets",
        "documentation": "Increase (Decrease) Due To Sales and Repayments, Financial Assets"
       }
      }
     },
     "auth_ref": []
    },
    "ing_IncreaseDecreaseInAverageThresholdRatio": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "IncreaseDecreaseInAverageThresholdRatio",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Change in average threshold ratio",
        "label": "Increase (Decrease) In Average Threshold Ratio",
        "documentation": "Increase (Decrease) In Average Threshold Ratio"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Net cash flow",
        "label": "Increase (decrease) in cash and cash equivalents before effect of exchange rate changes"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in cash and cash equivalents before the effect of exchange rate changes on cash and cash equivalents held in foreign currencies. [Refer: Cash and cash equivalents; Effect of exchange rate changes on cash and cash equivalents]"
       }
      }
     },
     "auth_ref": [
      "r60",
      "r184"
     ]
    },
    "ing_IncreaseDecreaseInCompositionOfGroupAndOtherChanges": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "IncreaseDecreaseInCompositionOfGroupAndOtherChanges",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofchangesinfairvaluethroughothercomprehensiveincomefinancialassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other changes",
        "label": "Increase (Decrease) In Composition Of Group And Other Changes",
        "documentation": "Increase decrease in composition of group and other changes."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncreaseDecreaseInFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseInFinancialAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTotalLabel": "Increase in loan loss provisions",
        "label": "Increase (decrease) in financial assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in financial assets. [Refer: Financial assets]"
       }
      }
     },
     "auth_ref": [
      "r129",
      "r130",
      "r241",
      "r243"
     ]
    },
    "ing_IncreaseDecreaseInLocalBankTaxes": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "IncreaseDecreaseInLocalBankTaxes",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/OtheroperatingexpensesAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Increase (decrease) in local bank taxes",
        "label": "Increase (Decrease) In Local Bank Taxes",
        "documentation": "Increase in Local bank taxes."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncreaseDecreaseInNumberOfSharesOutstanding": {
     "xbrltype": "sharesItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseInNumberOfSharesOutstanding",
     "presentation": [
      "http://www.ing.com/role/EquityScheduleofchangesintreasurysharesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Purchased/sold for trading purposes (in shares)",
        "label": "Increase (decrease) in number of shares outstanding"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in the number of shares outstanding. [Refer: Number of shares outstanding]"
       }
      }
     },
     "auth_ref": [
      "r174",
      "r256",
      "r292"
     ]
    },
    "ing_IncreaseDecreaseInUnrealisedRevaluationsFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "IncreaseDecreaseInUnrealisedRevaluationsFinancialAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofchangesinfairvaluethroughothercomprehensiveincomefinancialassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Changes in unrealised revaluations",
        "label": "Increase (Decrease) In Unrealised Revaluations, Financial Assets",
        "documentation": "The amount of increase decrease in unrealised revaluations of financial assets."
       }
      }
     },
     "auth_ref": []
    },
    "ing_IncreaseDecreaseThroughAmortisationLiabilitiesArisingFromFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "IncreaseDecreaseThroughAmortisationLiabilitiesArisingFromFinancingActivities",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/ConsolidatedconsolidatedstatementofcashflowsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Amortisation",
        "label": "Increase (Decrease) Through Amortisation Liabilities Arising From Financing Activities",
        "documentation": "Increase decrease through amortisation liabilities arising from financing activities."
       }
      }
     },
     "auth_ref": []
    },
    "ing_IncreaseDecreaseThroughCapitalisedExpensesIntangibleAssetsAndGoodwill": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "IncreaseDecreaseThroughCapitalisedExpensesIntangibleAssetsAndGoodwill",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/IntangibleassetsScheduleofchangesinintangibleassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Capitalised expenses",
        "label": "Increase (decrease) through capitalised expenses intangible assets and goodwill",
        "documentation": "Increase decrease through capitalised expenses intangible assets and goodwill."
       }
      }
     },
     "auth_ref": []
    },
    "ing_IncreaseDecreaseThroughChangesInCompositionOfTheGroupAndOtherChangesEquity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "IncreaseDecreaseThroughChangesInCompositionOfTheGroupAndOtherChangesEquity",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofchangesinequity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other changes",
        "label": "Increase (Decrease) Through Changes In Composition Of The Group And Other Changes, Equity",
        "documentation": "Increase (decrease) through changes in composition of the group and other changes."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncreaseDecreaseThroughChangesInFairValuesLiabilitiesArisingFromFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughChangesInFairValuesLiabilitiesArisingFromFinancingActivities",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/ConsolidatedconsolidatedstatementofcashflowsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Changes in unrealised revaluations",
        "label": "Increase (decrease) through changes in fair values, liabilities arising from financing activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in liabilities arising from financing activities resulting from changes in fair values. [Refer: Liabilities arising from financing activities]"
       }
      }
     },
     "auth_ref": [
      "r57",
      "r180"
     ]
    },
    "ifrs-full_IncreaseDecreaseThroughChangesInModelsOrRiskParametersFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughChangesInModelsOrRiskParametersFinancialAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails": {
       "parentTag": "ifrs-full_IncreaseDecreaseInFinancialAssets",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Changes in models",
        "negatedLabel": "Changes in models/risk parameters",
        "label": "Increase (decrease) through changes in models or risk parameters, financial assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in financial assets resulting from changes in models or risk parameters. [Refer: Financial assets]"
       }
      }
     },
     "auth_ref": [
      "r338",
      "r346",
      "r356"
     ]
    },
    "ifrs-full_IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/ConsolidatedconsolidatedstatementofcashflowsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Foreign exchange movement",
        "label": "Increase (decrease) through effect of changes in foreign exchange rates, liabilities arising from financing activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in liabilities arising from financing activities resulting from the effect of changes in foreign exchange rates. [Refer: Liabilities arising from financing activities]"
       }
      }
     },
     "auth_ref": [
      "r56",
      "r179"
     ]
    },
    "ifrs-full_IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/ConsolidatedconsolidatedstatementofcashflowsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Additions",
        "label": "Increase (decrease) through financing cash flows, liabilities arising from financing activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in liabilities arising from financing activities resulting from financing cash flows. [Refer: Cash flows from (used in) financing activities; Liabilities arising from financing activities]"
       }
      }
     },
     "auth_ref": [
      "r55",
      "r178"
     ]
    },
    "ifrs-full_IncreaseDecreaseThroughForeignExchangeFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughForeignExchangeFinancialAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeAdditionalinformationDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofchangesinfairvaluethroughothercomprehensiveincomefinancialassetsDetails",
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofchangesininvestmentsinassociatesandjointventuresDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Foreign exchange and other movements",
        "terseLabel": "Exchange rate differences",
        "label": "Increase (decrease) through foreign exchange, financial assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in financial assets resulting from foreign exchange. [Refer: Financial assets]"
       }
      }
     },
     "auth_ref": [
      "r338",
      "r346",
      "r356"
     ]
    },
    "ifrs-full_IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughNetExchangeDifferencesIntangibleAssetsAndGoodwill",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/IntangibleassetsScheduleofchangesinintangibleassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Exchange rate differences",
        "label": "Increase (decrease) through net exchange differences, intangible assets and goodwill"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in intangible assets and goodwill resulting from the net exchange differences arising when the financial statements are translated from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Intangible assets and goodwill]"
       }
      }
     },
     "auth_ref": [
      "r375"
     ]
    },
    "ing_IncreaseDecreaseThroughNetLevelOneTransfersFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "IncreaseDecreaseThroughNetLevelOneTransfersFinancialAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Increase (decrease) through net transfers, financial assets",
        "label": "Increase (Decrease) Through Net Level One Transfers, Financial Assets",
        "documentation": "Increase (Decrease) Through Net Level One Transfers, Financial Assets"
       }
      }
     },
     "auth_ref": []
    },
    "ing_IncreaseDecreaseThroughNetLevelThreeTransfersFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "IncreaseDecreaseThroughNetLevelThreeTransfersFinancialAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Increase (decrease) through net level three transfers, financial assets",
        "label": "Increase (Decrease) Through Net Level Three Transfers, Financial Assets",
        "documentation": "Increase (Decrease) Through Net Level Three Transfers, Financial Assets"
       }
      }
     },
     "auth_ref": []
    },
    "ing_IncreaseDecreaseThroughNetLevelTwoTransfersFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "IncreaseDecreaseThroughNetLevelTwoTransfersFinancialAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Increase (decrease) through net level two transfers, financial assets",
        "label": "Increase (decrease) Through Net Level Two Transfers, Financial Assets",
        "documentation": "Increase (decrease) Through Net Level Two Transfers, Financial Assets"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/ConsolidatedconsolidatedstatementofcashflowsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other",
        "label": "Increase (decrease) through other changes, liabilities arising from financing activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in liabilities arising from financing activities resulting from changes that the entity does not separately disclose in the same statement or note. [Refer: Liabilities arising from financing activities]"
       }
      }
     },
     "auth_ref": [
      "r58",
      "r181"
     ]
    },
    "ifrs-full_IncreaseDecreaseThroughOtherMovementsFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughOtherMovementsFinancialAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Recoveries of amounts previously written off",
        "verboseLabel": "Unrealised revaluation",
        "label": "Increase (decrease) through other movements, financial assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in financial assets resulting from other movements. [Refer: Financial assets]"
       }
      }
     },
     "auth_ref": [
      "r338",
      "r342",
      "r346",
      "r356",
      "r360"
     ]
    },
    "ing_IncreaseDecreaseThroughRedemptionsOrDisposalsLiabilitiesArisingFromFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "IncreaseDecreaseThroughRedemptionsOrDisposalsLiabilitiesArisingFromFinancingActivities",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/ConsolidatedconsolidatedstatementofcashflowsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Redemptions / Disposals",
        "label": "Increase (Decrease) Through Redemptions or Disposals, Liabilities Arising From Financing Activities",
        "documentation": "Increase (Decrease) Through Redemptions or Disposals, Liabilities Arising From Financing Activities"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncreaseDecreaseThroughSharebasedPaymentTransactions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughSharebasedPaymentTransactions",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofchangesinequity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Employee share-based compensation plans",
        "label": "Increase (decrease) through share-based payment transactions, equity"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in equity resulting from share-based payment transactions. [Refer: Equity]"
       }
      }
     },
     "auth_ref": [
      "r273"
     ]
    },
    "ing_IncreaseDecreaseThroughTransferBetweenOtherReservesAndRetainedEarningsEquity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "IncreaseDecreaseThroughTransferBetweenOtherReservesAndRetainedEarningsEquity",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofchangesinequity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Transfers",
        "label": "Increase (Decrease) Through Transfer Between Other Reserves And Retained Earnings, Equity",
        "documentation": "Increase (Decrease) Through Transfer Between Other Reserves And Retained Earnings, Equity"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncreaseDecreaseThroughTransfersAndOtherChangesIntangibleAssetsAndGoodwill": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughTransfersAndOtherChangesIntangibleAssetsAndGoodwill",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/IntangibleassetsAdditionalinformationDetails",
      "http://www.ing.com/role/IntangibleassetsScheduleofchangesinintangibleassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other changes",
        "label": "Increase (decrease) through transfers and other changes, intangible assets and goodwill"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in intangible assets and goodwill resulting from transfers and changes that the entity does not separately disclose in the same statement or note. [Refer: Intangible assets and goodwill]"
       }
      }
     },
     "auth_ref": [
      "r376"
     ]
    },
    "ifrs-full_IncreaseDecreaseThroughTransfersFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughTransfersFinancialAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails": {
       "parentTag": "ifrs-full_IncreaseDecreaseInFinancialAssets",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofchangesinfairvaluethroughothercomprehensiveincomefinancialassetsDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Transfers and reclassifications",
        "label": "Increase (decrease) through transfers, financial assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in financial assets resulting from transfers. [Refer: Financial assets]"
       }
      }
     },
     "auth_ref": [
      "r338",
      "r341",
      "r346",
      "r356",
      "r359"
     ]
    },
    "ifrs-full_IncreaseDecreaseThroughTreasuryShareTransactions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseDecreaseThroughTreasuryShareTransactions",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofchangesinequity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other changes in treasury shares",
        "label": "Increase (decrease) through treasury share transactions, equity"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase (decrease) in equity resulting from treasury share transactions. [Refer: Equity; Treasury shares]"
       }
      }
     },
     "auth_ref": [
      "r274"
     ]
    },
    "ing_IncreaseDecreaseThroughTreasuryShareTransactionsExcludingShareBasedPaymentTransactions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "IncreaseDecreaseThroughTreasuryShareTransactionsExcludingShareBasedPaymentTransactions",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/EquityScheduleofchangesintreasurysharesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Purchased/sold for trading purposes",
        "label": "Increase (Decrease) Through Treasury Share Transactions, Excluding Share-based Payment Transactions",
        "documentation": "Increase (Decrease) Through Treasury Share Transactions, Excluding Share-based Payment Transactions"
       }
      }
     },
     "auth_ref": []
    },
    "ing_IncreaseDecreaseThroughWriteOffsAndDisposalsFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "IncreaseDecreaseThroughWriteOffsAndDisposalsFinancialAssets",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Increase through write-offs and disposals, financial assets",
        "label": "Increase (Decrease) Through Write-Offs and Disposals, Financial Assets",
        "documentation": "Increase (Decrease) Through Write-Offs and Disposals, Financial Assets"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IncreaseThroughOriginationOrPurchaseFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IncreaseThroughOriginationOrPurchaseFinancialAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails": {
       "parentTag": "ifrs-full_IncreaseDecreaseInFinancialAssets",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofchangesinfairvaluethroughothercomprehensiveincomefinancialassetsDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "New financial assets originated or purchased",
        "terseLabel": "Additions",
        "label": "Increase through origination or purchase, financial assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase in financial assets resulting from origination or purchase. [Refer: Financial assets]"
       }
      }
     },
     "auth_ref": [
      "r338",
      "r339",
      "r346",
      "r356",
      "r357"
     ]
    },
    "ing_IncreaseThroughShareBasedPaymentTransactionsEquity": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "IncreaseThroughShareBasedPaymentTransactionsEquity",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/EquityScheduleofchangesintreasurysharesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Distributed under staff share plans",
        "label": "Increase Through Share-based Payment Transactions, Equity",
        "documentation": "Increase Through Share-based Payment Transactions, Equity"
       }
      }
     },
     "auth_ref": []
    },
    "ing_IncreaseThroughShareBasedPaymentTransactionsShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "IncreaseThroughShareBasedPaymentTransactionsShares",
     "presentation": [
      "http://www.ing.com/role/EquityScheduleofchangesintreasurysharesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Purchased under staff share and stock option plans (in shares)",
        "label": "Increase Through Share-based Payment Transactions, Shares",
        "documentation": "Increase Through Share-based Payment Transactions, Shares"
       }
      }
     },
     "auth_ref": []
    },
    "ing_IndividualProvisionsAdjustments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "IndividualProvisionsAdjustments",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementManagementadjustmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Individual provisions adjustments",
        "label": "Individual Provisions Adjustments",
        "documentation": "Individual Provisions Adjustments"
       }
      }
     },
     "auth_ref": []
    },
    "ing_InformationTechnologyExpensesExcludingOutsourcingAndSubcontracting": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "InformationTechnologyExpensesExcludingOutsourcingAndSubcontracting",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails": {
       "parentTag": "ifrs-full_OtherExpenseByNature",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "IT related expenses (excluding outsourcing and subcontracting)",
        "label": "Information Technology Expenses, Excluding Outsourcing And Subcontracting",
        "documentation": "Information Technology Expenses, Excluding Outsourcing And Subcontracting"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_InitiallyAppliedIFRSsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InitiallyAppliedIFRSsAxis",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Initially applied IFRSs [axis]",
        "label": "Initially applied IFRSs [axis]"
       }
      }
     },
     "auth_ref": [
      "r63",
      "r188"
     ]
    },
    "ifrs-full_InitiallyAppliedIFRSsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InitiallyAppliedIFRSsDomain",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Initially applied IFRSs [domain]",
        "label": "Initially applied IFRSs [domain]"
       }
      }
     },
     "auth_ref": [
      "r63",
      "r188"
     ]
    },
    "ing_InsuranceAndOtherBrokingFeeAndCommissionIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "InsuranceAndOtherBrokingFeeAndCommissionIncome",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails": {
       "parentTag": "ifrs-full_FeeAndCommissionIncome",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Insurance and other broking",
        "label": "Insurance And Other Broking Fee And Commission Income",
        "documentation": "Insurance and other broking fee and commission income."
       }
      }
     },
     "auth_ref": []
    },
    "ing_IntangibleAssetsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "IntangibleAssetsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Intangible Assets [Abstract]",
        "label": "Intangible Assets [Abstract]",
        "documentation": "Intangible Assets [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_IntangibleAssetsAndGoodwill": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IntangibleAssetsAndGoodwill",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition",
      "http://www.ing.com/role/IntangibleassetsAdditionalinformationDetails",
      "http://www.ing.com/role/IntangibleassetsScheduleofchangesinintangibleassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Intangible assets",
        "periodStartLabel": "Opening balance as at 1 January",
        "periodEndLabel": "Closing balance",
        "label": "Intangible assets and goodwill"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of intangible assets and goodwill held by the entity. [Refer: Goodwill; Intangible assets other than goodwill]"
       }
      }
     },
     "auth_ref": [
      "r405"
     ]
    },
    "ifrs-full_InterestExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InterestExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss": {
       "parentTag": "ifrs-full_InterestRevenueExpense",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss",
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTotalLabel": "Total interest expense",
        "totalLabel": "Total interest expense",
        "label": "Interest expense"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of expense arising from interest."
       }
      }
     },
     "auth_ref": [
      "r80",
      "r149",
      "r158"
     ]
    },
    "ifrs-full_InterestExpenseOnDebtInstrumentsIssued": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InterestExpenseOnDebtInstrumentsIssued",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails": {
       "parentTag": "ing_InterestExpenseUsingEffectiveInterestRate",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest expense on debt securities in issue",
        "label": "Interest expense on debt instruments issued"
       }
      }
     },
     "auth_ref": [
      "r402"
     ]
    },
    "ing_InterestExpenseOnDepositsFromBanksAndCustomers": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "InterestExpenseOnDepositsFromBanksAndCustomers",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails": {
       "parentTag": "ing_InterestExpenseUsingEffectiveInterestRate",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest expense on deposits",
        "label": "Interest Expense On Deposits From Banks And Customers",
        "documentation": "Interest Expense On Deposits From Banks And Customers"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_InterestExpenseOnFinancialLiabilitiesDesignatedAtFairValueThroughProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InterestExpenseOnFinancialLiabilitiesDesignatedAtFairValueThroughProfitOrLoss",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails": {
       "parentTag": "ifrs-full_InterestExpenseOnOtherFinancialLiabilities",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest expense on financial liabilities at fair value through profit or loss",
        "label": "Interest expense on financial liabilities designated at fair value through profit or loss"
       }
      }
     },
     "auth_ref": [
      "r402"
     ]
    },
    "ifrs-full_InterestExpenseOnLeaseLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InterestExpenseOnLeaseLiabilities",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails": {
       "parentTag": "ifrs-full_InterestExpenseOnOtherFinancialLiabilities",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest expense on lease liabilities",
        "label": "Interest expense on lease liabilities"
       }
      }
     },
     "auth_ref": [
      "r101",
      "r170"
     ]
    },
    "ing_InterestExpenseOnNonTradingDerivativesNotQualifiedForHedgeAccounting": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "InterestExpenseOnNonTradingDerivativesNotQualifiedForHedgeAccounting",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails": {
       "parentTag": "ifrs-full_InterestExpenseOnOtherFinancialLiabilities",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest expense on non-trading derivatives (no hedge accounting)",
        "label": "Interest Expense On Non Trading Derivatives Not Qualified For Hedge Accounting",
        "documentation": "Interest expense on non trading derivatives not qualified for hedge accounting."
       }
      }
     },
     "auth_ref": []
    },
    "ing_InterestExpenseOnNonTradingDerivativesQualifiedForHedgeAccounting": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "InterestExpenseOnNonTradingDerivativesQualifiedForHedgeAccounting",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails": {
       "parentTag": "ing_InterestExpenseUsingEffectiveInterestRate",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest expense on non-trading derivatives (hedge accounting)",
        "label": "Interest Expense On Non Trading Derivatives Qualified For Hedge Accounting",
        "documentation": "Interest expense on non trading derivatives qualified for hedge accounting."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_InterestExpenseOnOtherFinancialLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InterestExpenseOnOtherFinancialLiabilities",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss": {
       "parentTag": "ifrs-full_InterestExpense",
       "weight": 1.0,
       "order": 2.0
      },
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss",
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Other interest expense",
        "totalLabel": "Total other interest expense",
        "label": "Interest expense on other financial liabilities"
       }
      }
     },
     "auth_ref": [
      "r402"
     ]
    },
    "ing_InterestExpenseOnSubordinatedLoans": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "InterestExpenseOnSubordinatedLoans",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails": {
       "parentTag": "ing_InterestExpenseUsingEffectiveInterestRate",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest expense on subordinated loans",
        "label": "Interest Expense On Subordinated Loans",
        "documentation": "Interest expense on subordinated loans."
       }
      }
     },
     "auth_ref": []
    },
    "ing_InterestExpenseUsingEffectiveInterestRate": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "InterestExpenseUsingEffectiveInterestRate",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss": {
       "parentTag": "ifrs-full_InterestExpense",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss",
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Interest expense using effective interest rate method",
        "totalLabel": "Total interest expense using effective interest rate method",
        "label": "Interest Expense Using Effective Interest Rate",
        "documentation": "Interest expenses calculated using effective interest method."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_InterestIncomeForFinancialAssetsMeasuredAtAmortisedCost": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InterestIncomeForFinancialAssetsMeasuredAtAmortisedCost",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails": {
       "parentTag": "ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest income on debt securities at amortised cost",
        "label": "Interest revenue for financial assets measured at amortised cost"
       }
      }
     },
     "auth_ref": [
      "r118",
      "r233"
     ]
    },
    "ing_InterestIncomeNotUsingEffectiveInterestMethod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "InterestIncomeNotUsingEffectiveInterestMethod",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss": {
       "parentTag": "ifrs-full_RevenueFromInterest",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other interest income",
        "label": "Interest Income Not Using Effective Interest Method",
        "documentation": "Interest income not using effective interest method."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_InterestIncomeOnFinancialAssetsDesignatedAtFairValueThroughProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InterestIncomeOnFinancialAssetsDesignatedAtFairValueThroughProfitOrLoss",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails": {
       "parentTag": "ifrs-full_InterestIncomeOnOtherFinancialAssets",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest income on financial assets at fair value through profit or loss",
        "label": "Interest income on financial assets designated at fair value through profit or loss"
       }
      }
     },
     "auth_ref": [
      "r402"
     ]
    },
    "ing_InterestIncomeOnLoansToCustomersAndBanksCashBalancesAndNegativeInterestOnLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "InterestIncomeOnLoansToCustomersAndBanksCashBalancesAndNegativeInterestOnLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails": {
       "parentTag": "ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest income on loans",
        "label": "Interest Income On Loans To Customers And Banks, Cash Balances And Negative Interest On Liabilities",
        "documentation": "Interest Income On Loans To Customers And Banks, Cash Balances And Negative Interest On Liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "ing_InterestIncomeOnNonTradingDerivativesHedgeAccountingIfrs9": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "InterestIncomeOnNonTradingDerivativesHedgeAccountingIfrs9",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails": {
       "parentTag": "ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest income on non-trading derivatives (hedge accounting)",
        "label": "Interest income on non-trading derivatives (hedge accounting) IFRS9",
        "documentation": "Interest income on non trading derivatives qualified for hedge accounting including changes resulting from IFRS 9."
       }
      }
     },
     "auth_ref": []
    },
    "ing_InterestIncomeOnNonTradingDerivativesNotQualifiedForHedgeAccounting": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "InterestIncomeOnNonTradingDerivativesNotQualifiedForHedgeAccounting",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails": {
       "parentTag": "ifrs-full_InterestIncomeOnOtherFinancialAssets",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest income on non-trading derivatives (no hedge accounting)",
        "label": "Interest Income On Non Trading Derivatives Not Qualified For Hedge Accounting",
        "documentation": "Interest income on non trading derivatives not qualified for hedge accounting."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_InterestIncomeOnOtherFinancialAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InterestIncomeOnOtherFinancialAssets",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails": {
       "parentTag": "ifrs-full_RevenueFromInterest",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total other interest income",
        "label": "Interest income on other financial assets"
       }
      }
     },
     "auth_ref": [
      "r402"
     ]
    },
    "ifrs-full_InterestPaidClassifiedAsOperatingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InterestPaidClassifiedAsOperatingActivities",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ing_NetInterestReceivedPaidClassifiedAsOperatingActivities",
       "weight": -1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/ConsolidatedconsolidatedstatementofcashflowsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Interest paid",
        "label": "Interest paid, classified as operating activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for interest paid, classified as operating activities."
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "ing_InterestRateMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "InterestRateMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest rate (%)",
        "label": "Interest Rate [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_InterestRateVolatilityMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "InterestRateVolatilityMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest rate volatility (bps)",
        "label": "Interest rate volatility [Member]",
        "documentation": "The member represents significant unobservable input from interest rate volatility."
       }
      }
     },
     "auth_ref": []
    },
    "ing_InterestRatesDerivativesForeignExchangeDerivativesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "InterestRatesDerivativesForeignExchangeDerivativesMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSensitivityanalysisoflevel3instrumentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest rates (Rates derivatives, FX derivatives)",
        "label": "Interest Rates Derivatives Foreign Exchange Derivatives [Member]",
        "documentation": "Interest rates (Rates derivatives, FX derivatives)."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_InterestReceivedClassifiedAsOperatingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InterestReceivedClassifiedAsOperatingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ing_NetInterestReceivedPaidClassifiedAsOperatingActivities",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/ConsolidatedconsolidatedstatementofcashflowsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest received",
        "label": "Interest received, classified as operating activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from interest received, classified as operating activities."
       }
      }
     },
     "auth_ref": [
      "r52"
     ]
    },
    "ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InterestRevenueCalculatedUsingEffectiveInterestMethod",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss": {
       "parentTag": "ifrs-full_RevenueFromInterest",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails": {
       "parentTag": "ifrs-full_RevenueFromInterest",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss",
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Interest income using effective interest rate method",
        "totalLabel": "Total interest income using effective interest rate method",
        "label": "Interest revenue calculated using effective interest method"
       }
      }
     },
     "auth_ref": [
      "r302",
      "r303"
     ]
    },
    "ifrs-full_InterestRevenueExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InterestRevenueExpense",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss": {
       "parentTag": "ifrs-full_ProfitLossFromOperatingActivities",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails": {
       "parentTag": "ifrs-full_Revenue",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss",
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails",
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Net interest income",
        "terseLabel": "Net interest income",
        "verboseLabel": "Net interest income",
        "label": "Interest income (expense)"
       }
      }
     },
     "auth_ref": [
      "r152",
      "r158",
      "r407"
     ]
    },
    "ifrs-full_InterestRevenueForFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InterestRevenueForFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails": {
       "parentTag": "ifrs-full_InterestRevenueCalculatedUsingEffectiveInterestMethod",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest income on financial assets at fair value through OCI",
        "label": "Interest revenue for financial assets measured at fair value through other comprehensive income"
       }
      }
     },
     "auth_ref": [
      "r118",
      "r233"
     ]
    },
    "ifrs-full_InternalCreditGradesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InternalCreditGradesAxis",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails",
      "http://www.ing.com/role/RiskmanagementQuantitativeSICRthresholdsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Internal Credit Grades [Axis]",
        "label": "Internal credit grades [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r343",
      "r347",
      "r361"
     ]
    },
    "ifrs-full_InternalCreditGradesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InternalCreditGradesDomain",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails",
      "http://www.ing.com/role/RiskmanagementQuantitativeSICRthresholdsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Entitys Total for Internal Credit Grades [Member]",
        "label": "Internal credit grades [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Internal credit grades' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r343",
      "r347",
      "r361"
     ]
    },
    "ifrs-full_InvestmentAccountedForUsingEquityMethod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InvestmentAccountedForUsingEquityMethod",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investments in associates and joint ventures",
        "label": "Investments accounted for using equity method"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of investments accounted for using the equity method. The equity method is a method of accounting whereby the investment is initially recognised at cost and adjusted thereafter for the post-acquisition change in the investor's share of net assets of the investee. The investor's profit or loss includes its share of the profit or loss of the investee. The investor's other comprehensive income includes its share of the other comprehensive income of the investee. [Refer: At cost [member]]"
       }
      }
     },
     "auth_ref": [
      "r82",
      "r153",
      "r250",
      "r281"
     ]
    },
    "ing_InvestmentAndOtherIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "InvestmentAndOtherIncome",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails": {
       "parentTag": "ifrs-full_Revenue",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Total investment and other income",
        "verboseLabel": "Total investment and other income",
        "label": "Investment And Other Income",
        "documentation": "Investment and other income."
       }
      }
     },
     "auth_ref": []
    },
    "ing_InvestmentGradeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "InvestmentGradeMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementQuantitativeSICRthresholdsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investment grade",
        "label": "Investment Grade [Member]",
        "documentation": "Internal credit grade 1-10 investment."
       }
      }
     },
     "auth_ref": []
    },
    "ing_InvestmentInBankOfBeijingMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "InvestmentInBankOfBeijingMember",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeAdditionalinformationDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofequitysecuritiesdesignatedasatfairvaluethroughothercomprehensiveincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investment in Bank of Beijing",
        "label": "Investment in Bank of Beijing [member]",
        "documentation": "Investment in Bank of Beijing."
       }
      }
     },
     "auth_ref": []
    },
    "ing_InvestmentInVanLanschotKempenMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "InvestmentInVanLanschotKempenMember",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeAdditionalinformationDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofequitysecuritiesdesignatedasatfairvaluethroughothercomprehensiveincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investment in Van Lanschot Kempen",
        "label": "Investment in Van Lanschot Kempen [Member]",
        "documentation": "Investment in Van Lanschot Kempen"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_InvestmentIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InvestmentIncome",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss": {
       "parentTag": "ifrs-full_ProfitLossFromOperatingActivities",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investment income",
        "label": "Investment income"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of investment income, such as interest and dividends."
       }
      }
     },
     "auth_ref": [
      "r14",
      "r407"
     ]
    },
    "ing_InvestmentsInAssociatesAndJointVenturesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "InvestmentsInAssociatesAndJointVenturesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investments In Principal Subsidiaries Associates And Joint Ventures [Abstract]",
        "label": "Investments In Associates and Joint Ventures [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_InvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InvestmentsInEquityInstrumentsDesignatedAtFairValueThroughOtherComprehensiveIncomeDomain",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeAdditionalinformationDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofequitysecuritiesdesignatedasatfairvaluethroughothercomprehensiveincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Equity securities",
        "label": "Investments in equity instruments designated at fair value through other comprehensive income [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Investments in equity instruments designated at fair value through other comprehensive income' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r266"
     ]
    },
    "ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeAxis",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeAdditionalinformationDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofequitysecuritiesdesignatedasatfairvaluethroughothercomprehensiveincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investments in equity instruments designated at fair value through other comprehensive income [axis]",
        "label": "Investments in equity instruments designated at fair value through other comprehensive income [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r266"
     ]
    },
    "ifrs-full_InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InvestmentsInEquityInstrumentsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryoffinancialassetsatfairvaluethroughothercomprehensiveincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Equity securities",
        "label": "Investments in equity instruments designated at fair value through other comprehensive income [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for investments in equity instruments that the entity has designated at fair value through other comprehensive income. [Refer: At fair value [member]; Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r143",
      "r230"
     ]
    },
    "ifrs-full_InvestmentsInSubsidiariesJointVenturesAndAssociates": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "InvestmentsInSubsidiariesJointVenturesAndAssociates",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/BusinessesacquiredanddivestedDisclosureofbusinessacquisitionDetails",
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofchangesininvestmentsinassociatesandjointventuresDetails",
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofinvestmentsinassociatesandjointventuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Balance sheet value",
        "periodStartLabel": "Opening balance as at 1 January",
        "periodEndLabel": "Closing balance",
        "terseLabel": "Carrying amount pre-existing interest",
        "label": "Investments in subsidiaries, joint ventures and associates reported in separate financial statements"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of investments in subsidiaries, joint ventures and associates in an entity's separate financial statements. [Refer: Total for all associates [member]; Total for all joint ventures [member]; Total for all subsidiaries [member]; Investments in subsidiaries reported in separate financial statements]"
       }
      }
     },
     "auth_ref": [
      "r16"
     ]
    },
    "ifrs-full_IssuedCapital": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IssuedCapital",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/EquitySummaryofequityDetails": {
       "parentTag": "ing_ShareCapitalAndSharePremium",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/EquitySummaryofequityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "-\u00a0\u00a0Share capital",
        "label": "Issued capital"
       }
      },
      "en": {
       "role": {
        "documentation": "The nominal value of capital issued."
       }
      }
     },
     "auth_ref": [
      "r362",
      "r366"
     ]
    },
    "ifrs-full_IssuesFairValueMeasurementLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "IssuesFairValueMeasurementLiabilities",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialliabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Additions",
        "label": "Issues, fair value measurement, liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase in fair value measurement of liabilities resulting from issues of those liabilities. [Refer: At fair value [member]]"
       }
      }
     },
     "auth_ref": [
      "r91"
     ]
    },
    "ing_LawsuitFinalisedInFavorOfING": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "LawsuitFinalisedInFavorOfING",
     "presentation": [
      "http://www.ing.com/role/LegalproceedingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Lawsuit in favor of ING",
        "label": "Lawsuit Finalised In Favor Of ING",
        "documentation": "Lawsuit Finalised In Favor Of ING"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_LeaseLiabilitiesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LeaseLiabilitiesMember",
     "presentation": [
      "http://www.ing.com/role/ConsolidatedconsolidatedstatementofcashflowsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Lease liabilities [member]",
        "label": "Lease liabilities [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for lease liabilities. [Refer: Lease liabilities]"
       }
      }
     },
     "auth_ref": [
      "r319",
      "r322"
     ]
    },
    "ing_LegalProceedingsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "LegalProceedingsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure Of Legal Proceedings [Abstract]",
        "label": "Legal Proceedings [Abstract]",
        "documentation": "Disclosure of legal proceedings."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_LegalProceedingsProvision": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LegalProceedingsProvision",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/LegalproceedingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Legal proceedings provision",
        "label": "Legal proceedings provision"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of provision for legal proceedings. [Refer: Other provisions]"
       }
      }
     },
     "auth_ref": [
      "r313",
      "r314"
     ]
    },
    "ing_LegalReserve": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "LegalReserve",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Legal reserve",
        "label": "Legal Reserve",
        "documentation": "Legal Reserve"
       }
      }
     },
     "auth_ref": []
    },
    "ing_LendingBusinessFeeAndCommissionIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "LendingBusinessFeeAndCommissionIncome",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails": {
       "parentTag": "ifrs-full_FeeAndCommissionIncome",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Lending business",
        "label": "Lending Business Fee And Commission Income",
        "documentation": "Lending Business Fee And Commission Income"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_Level1OfFairValueHierarchyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Level1OfFairValueHierarchyMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Level 1",
        "label": "Level 1 of fair value hierarchy [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a category of the fair value hierarchy where inputs to the valuation techniques are quoted prices (unadjusted) in active markets for identical assets or liabilities that the entity can access at the measurement date."
       }
      }
     },
     "auth_ref": [
      "r10",
      "r32",
      "r33",
      "r86",
      "r207",
      "r252"
     ]
    },
    "ifrs-full_Level2OfFairValueHierarchyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Level2OfFairValueHierarchyMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Level 2",
        "label": "Level 2 of fair value hierarchy [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a category of the fair value hierarchy where inputs to the valuation techniques are inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly or indirectly."
       }
      }
     },
     "auth_ref": [
      "r32",
      "r33",
      "r86",
      "r207",
      "r252"
     ]
    },
    "ifrs-full_Level3OfFairValueHierarchyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Level3OfFairValueHierarchyMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesAdditionalinformationDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialliabilitiesDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSensitivityanalysisoflevel3instrumentsDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Level 3",
        "label": "Level 3 of fair value hierarchy [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a category of the fair value hierarchy where inputs to the valuation techniques are unobservable inputs for the asset or liability. Unobservable inputs are inputs for which market data are not available and that are developed using the best information available about the assumptions that the market participants would use when pricing the asset or liability."
       }
      }
     },
     "auth_ref": [
      "r32",
      "r33",
      "r86",
      "r207",
      "r252"
     ]
    },
    "ifrs-full_LevelsOfFairValueHierarchyAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LevelsOfFairValueHierarchyAxis",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesAdditionalinformationDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialliabilitiesDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSensitivityanalysisoflevel3instrumentsDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Levels of fair value hierarchy [axis]",
        "label": "Levels of fair value hierarchy [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r10",
      "r86",
      "r252"
     ]
    },
    "ifrs-full_LevelsOfFairValueHierarchyDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LevelsOfFairValueHierarchyDomain",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesAdditionalinformationDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialliabilitiesDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSensitivityanalysisoflevel3instrumentsDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Levels of fair value hierarchy [domain]",
        "label": "Levels of fair value hierarchy [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for all levels of the fair value hierarchy. It also represents the standard value for the 'Levels of fair value hierarchy' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r10",
      "r86",
      "r252"
     ]
    },
    "ifrs-full_Liabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Liabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_EquityAndLiabilities",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total liabilities",
        "label": "Liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of a present obligation of the entity to transfer an economic resource as a result of past events. Economic resource is a right that has the potential to produce economic benefits."
       }
      }
     },
     "auth_ref": [
      "r85",
      "r86",
      "r93",
      "r152",
      "r157",
      "r251",
      "r252",
      "r288"
     ]
    },
    "ifrs-full_LiabilitiesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LiabilitiesAbstract",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Liabilities",
        "label": "Liabilities [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_LiabilitiesArisingFromFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LiabilitiesArisingFromFinancingActivities",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/ConsolidatedconsolidatedstatementofcashflowsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "periodStartLabel": "Opening balance as at 1 January",
        "periodEndLabel": "Closing balance",
        "label": "Liabilities arising from financing activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of liabilities for which cash flows were, or future cash flows will be, classified in the statement of cash flows as cash flows from financing activities. [Refer: Cash flows from (used in) financing activities; Liabilities]"
       }
      }
     },
     "auth_ref": [
      "r182",
      "r320"
     ]
    },
    "ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LiabilitiesArisingFromFinancingActivitiesAxis",
     "presentation": [
      "http://www.ing.com/role/ConsolidatedconsolidatedstatementofcashflowsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Liabilities arising from financing activities [axis]",
        "label": "Liabilities arising from financing activities [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r182",
      "r320"
     ]
    },
    "ifrs-full_LiabilitiesArisingFromFinancingActivitiesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LiabilitiesArisingFromFinancingActivitiesDomain",
     "presentation": [
      "http://www.ing.com/role/ConsolidatedconsolidatedstatementofcashflowsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Liabilities arising from financing activities [domain]",
        "label": "Liabilities arising from financing activities [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for liabilities arising from financing activities. It also represents the standard value for the 'Liabilities arising from financing activities' axis if no other member is used. [Refer: Liabilities arising from financing activities]"
       }
      }
     },
     "auth_ref": [
      "r182",
      "r320"
     ]
    },
    "ifrs-full_LifetimeExpectedCreditLossesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LifetimeExpectedCreditLossesMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Lifetime expected credit losses",
        "label": "Lifetime expected credit losses [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the expected credit losses that result from all possible default events over the expected life of a financial instrument. [Refer: Type of measurement of expected credit losses [domain]]"
       }
      }
     },
     "auth_ref": [
      "r127",
      "r133",
      "r239",
      "r245"
     ]
    },
    "ing_LoanAndAdvancesAtFairValueThroughOtherComprehensiveIncomeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "LoanAndAdvancesAtFairValueThroughOtherComprehensiveIncomeMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Loan and advances at FVOCI",
        "label": "Loan And Advances At Fair Value Through Other Comprehensive Income [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_LoanCommitmentsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LoanCommitmentsMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Loans",
        "label": "Loan commitments [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for firm commitments to provide credit under pre-specified terms and conditions."
       }
      }
     },
     "auth_ref": [
      "r135",
      "r146",
      "r242",
      "r247"
     ]
    },
    "ing_LoansAndAdvancesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "LoansAndAdvancesMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Loans and advances",
        "label": "Loans And Advances [Member]",
        "documentation": "Loans and advances."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_LoansAndAdvancesToBanks": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LoansAndAdvancesToBanks",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails": {
       "parentTag": "ifrs-full_FinancialAssets",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0,
       "order": 9.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Loans and advances to banks",
        "verboseLabel": "Loans and advances to banks",
        "label": "Loans and advances to banks"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of loans and advances the entity has made to banks."
       }
      }
     },
     "auth_ref": [
      "r405"
     ]
    },
    "ing_LoansAndAdvancesToBanksMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "LoansAndAdvancesToBanksMember",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Loans and advances to banks",
        "label": "Loans And Advances To Banks [Member]",
        "documentation": "The amount of loans and advances the entity has made to banks."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_LoansAndAdvancesToCustomers": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LoansAndAdvancesToCustomers",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails": {
       "parentTag": "ifrs-full_FinancialAssets",
       "weight": 1.0,
       "order": 2.0
      },
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails",
      "http://www.ing.com/role/LoansandadvancestocustomersDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Loans and advances to customers",
        "terseLabel": "Loans and advances to customers",
        "label": "Loans and advances to customers"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of loans and advances the entity has made to customers."
       }
      }
     },
     "auth_ref": [
      "r405"
     ]
    },
    "ing_LoansAndAdvancesToCustomersAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "LoansAndAdvancesToCustomersAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Loans and advances to customers [abstract]",
        "label": "Loans and Advances to Customers [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_LoansAndAdvancesToCustomersMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "LoansAndAdvancesToCustomersMember",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails",
      "http://www.ing.com/role/LoansandadvancestocustomersDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Loans and advances to customers",
        "label": "Loans and Advances to Customers [Member]",
        "documentation": "Loans and advances to customers."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_LoansAndReceivablesCategoryMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LoansAndReceivablesCategoryMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryoffinancialassetsatfairvaluethroughothercomprehensiveincomeDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Loans and receivables",
        "verboseLabel": "Loans and receivables mandatorily measured at fair value through profit or loss",
        "label": "Loans and receivables, category [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the loans and receivables category of financial assets. [Refer: Loans and receivables]"
       }
      }
     },
     "auth_ref": [
      "r265"
     ]
    },
    "ifrs-full_LoansToGovernmentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "LoansToGovernmentMember",
     "presentation": [
      "http://www.ing.com/role/LoansandadvancestocustomersDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Loans and advances to public authorities",
        "label": "Loans to government [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for loans made to government."
       }
      }
     },
     "auth_ref": [
      "r402"
     ]
    },
    "ing_LocalBankTaxes": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "LocalBankTaxes",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/OtheroperatingexpensesAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Local bank taxes",
        "label": "Local bank taxes",
        "documentation": "Local bank taxes."
       }
      }
     },
     "auth_ref": []
    },
    "ing_MacroEconomicScenarioAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "MacroEconomicScenarioAxis",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Macro Economic Scenario [Axis]",
        "label": "Macro Economic Scenario [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_MacroEconomicScenarioDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "MacroEconomicScenarioDomain",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Macro Economic Scenario [Domain]",
        "label": "Macro Economic Scenario [Domain]",
        "documentation": "Macro Economic Scenario [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ManagementAdjustments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ManagementAdjustments",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/RiskmanagementManagementadjustmentsDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/RiskmanagementManagementadjustmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total management adjustments",
        "label": "Management Adjustments",
        "documentation": "Management Adjustments"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ManagementAdjustmentsExplanatoryTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ManagementAdjustmentsExplanatoryTableTextBlock",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Management Adjustments",
        "label": "Management Adjustments Explanatory [Table Text Block]",
        "documentation": "Management Adjustments Explanatory"
       }
      }
     },
     "auth_ref": []
    },
    "ing_MarketDataServices": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "MarketDataServices",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails": {
       "parentTag": "ifrs-full_OtherExpenseByNature",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Market data services",
        "label": "Market Data Services",
        "documentation": "Market Data Services"
       }
      }
     },
     "auth_ref": []
    },
    "ing_MaximumDistributableAmountManagementBasisPointsBuffer": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "MaximumDistributableAmountManagementBasisPointsBuffer",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Maximum distributable amount, management basis points buffer",
        "label": "Maximum Distributable Amount, Management Basis Points Buffer",
        "documentation": "Maximum Distributable Amount, Management Basis Points Buffer"
       }
      }
     },
     "auth_ref": []
    },
    "ing_MaximumDistributableAmountTriggerLevel": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "MaximumDistributableAmountTriggerLevel",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Maximum distributable amount trigger level percentage",
        "label": "Maximum Distributable Amount Trigger Level",
        "documentation": "Maximum Distributable Amount trigger level percentage."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_MeasurementAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MeasurementAxis",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Measurement [axis]",
        "label": "Measurement [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r43",
      "r47",
      "r85",
      "r217",
      "r251"
     ]
    },
    "ifrs-full_MeasurementDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MeasurementDomain",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Measurement [domain]",
        "label": "Measurement [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for all types of measurement. It also represents the standard value for the 'Measurement' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r43",
      "r47",
      "r85",
      "r217",
      "r251"
     ]
    },
    "ifrs-full_MethodOfAssessmentOfExpectedCreditLossesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MethodOfAssessmentOfExpectedCreditLossesAxis",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails",
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails",
      "http://www.ing.com/role/RiskmanagementManagementadjustmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Method of assessment of expected credit losses [axis]",
        "label": "Method of assessment of expected credit losses [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r338",
      "r342",
      "r346",
      "r356",
      "r360"
     ]
    },
    "ifrs-full_MethodOfAssessmentOfExpectedCreditLossesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MethodOfAssessmentOfExpectedCreditLossesDomain",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails",
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails",
      "http://www.ing.com/role/RiskmanagementManagementadjustmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Method of assessment of expected credit losses [domain]",
        "label": "Method of assessment of expected credit losses [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for all methods of assessment of expected credit losses. Expected credit losses are the weighted average of credit losses with the respective risks of a default occurring as the weights. This member also represents the standard value for the 'Method of assessment of expected credit losses' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r338",
      "r342",
      "r346",
      "r356",
      "r360"
     ]
    },
    "ing_MiddleEastMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "MiddleEastMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Middle East",
        "label": "Middle East [Member]",
        "documentation": "Middle East"
       }
      }
     },
     "auth_ref": []
    },
    "ing_MiscellaneousInterestExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "MiscellaneousInterestExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails": {
       "parentTag": "ifrs-full_InterestExpenseOnOtherFinancialLiabilities",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest expense other",
        "label": "Miscellaneous interest expense",
        "documentation": "The amount of interest expense incurred during the period related other items."
       }
      }
     },
     "auth_ref": []
    },
    "ing_MiscellaneousInterestIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "MiscellaneousInterestIncome",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails": {
       "parentTag": "ifrs-full_InterestIncomeOnOtherFinancialAssets",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest income other",
        "label": "Miscellaneous interest income",
        "documentation": "The amount interest income generated during the period from other sources."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_MiscellaneousOtherOperatingExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MiscellaneousOtherOperatingExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails": {
       "parentTag": "ifrs-full_OtherExpenseByNature",
       "weight": 1.0,
       "order": 13.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other",
        "label": "Miscellaneous other operating expense"
       }
      }
     },
     "auth_ref": [
      "r402"
     ]
    },
    "ing_ModelRiskMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ModelRiskMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSummaryofvaluationadjustmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Model Risk",
        "label": "Model Risk [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ModificationGainsAndLossesOnRestructuredFinancialAssetsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ModificationGainsAndLossesOnRestructuredFinancialAssetsMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Modification gains and losses on restructured financial assets",
        "label": "Modification Gains And Losses On Restructured Financial Assets [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_MortgagePortfolioAdjustments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "MortgagePortfolioAdjustments",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/RiskmanagementManagementadjustmentsDetails": {
       "parentTag": "ing_ManagementAdjustments",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementManagementadjustmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Mortgage portfolio adjustments",
        "label": "Mortgage Portfolio Adjustments",
        "documentation": "Mortgage Portfolio Adjustments"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_MortgagesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "MortgagesMember",
     "presentation": [
      "http://www.ing.com/role/LoansandadvancestocustomersDetails",
      "http://www.ing.com/role/RiskmanagementQuantitativeSICRthresholdsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Mortgages",
        "verboseLabel": "Residential mortgages",
        "label": "Mortgages [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a class of financial assets that represents loans to finance the purchase of assets where the asset acts as collateral to secure the loan."
       }
      }
     },
     "auth_ref": [
      "r345",
      "r346",
      "r348"
     ]
    },
    "country_NL": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/country/2025",
     "localname": "NL",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "NETHERLANDS",
        "label": "NETHERLANDS"
       }
      }
     },
     "auth_ref": []
    },
    "ing_NegativeFairValueMovementsUsingPossibleAlternatives": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "NegativeFairValueMovementsUsingPossibleAlternatives",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSensitivityanalysisoflevel3instrumentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Negative fair\u00a0value movements from using reasonable possible alternatives",
        "label": "Negative Fair Value Movements Using Possible Alternatives",
        "documentation": "Negative fair value movements using possible alternatives."
       }
      }
     },
     "auth_ref": []
    },
    "ing_NegativeInterestExpenseOnAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "NegativeInterestExpenseOnAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Negative interest expense on assets",
        "label": "Negative Interest Expense On Assets",
        "documentation": "Negative interest expense on assets."
       }
      }
     },
     "auth_ref": []
    },
    "ing_NegativeInterestIncomeOnLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "NegativeInterestIncomeOnLiabilities",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Negative interest income on liabilities",
        "label": "Negative Interest Income On Liabilities",
        "documentation": "Negative interest income on liabilities."
       }
      }
     },
     "auth_ref": []
    },
    "ing_NetInterestIncomeAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "NetInterestIncomeAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Net interest income [abstract]",
        "label": "Net Interest Income [Abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_NetInterestReceivedPaidClassifiedAsOperatingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "NetInterestReceivedPaidClassifiedAsOperatingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/ConsolidatedconsolidatedstatementofcashflowsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Interest received (paid)",
        "label": "Net Interest Received (Paid) Classified As Operating Activities",
        "documentation": "Net Interest Received (Paid) Classified As Operating Activities"
       }
      }
     },
     "auth_ref": []
    },
    "ing_NetProfitAfterDividendReserving": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "NetProfitAfterDividendReserving",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Net profit after dividend reserving",
        "label": "Net Profit After Dividend Reserving",
        "documentation": "Net Profit After Dividend Reserving"
       }
      }
     },
     "auth_ref": []
    },
    "ing_NetRemeasurementOfLoanLossProvision": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "NetRemeasurementOfLoanLossProvision",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails": {
       "parentTag": "ifrs-full_IncreaseDecreaseInFinancialAssets",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Net remeasurement of loan loss provisions",
        "label": "Net Remeasurement Of Loan Loss Provision",
        "documentation": "The amount of net remeasurement arising from loan loss provisions."
       }
      }
     },
     "auth_ref": []
    },
    "ing_NetRepaymentIncreaseInGrossCarryingAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "NetRepaymentIncreaseInGrossCarryingAmount",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails": {
       "parentTag": "ifrs-full_IncreaseDecreaseInFinancialAssets",
       "weight": -1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Net drawdowns and repayments",
        "label": "Net Repayment Increase In Gross Carrying Amount",
        "documentation": "Net Repayment Increase In Gross Carrying Amount"
       }
      }
     },
     "auth_ref": []
    },
    "ing_NetResultAttributableToOwnersOfParentEUIFRS": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "NetResultAttributableToOwnersOfParentEUIFRS",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodReconciliationnetresultunderIFRSEUandIFRSIASBDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "In accordance with IFRS-EU (attributable to the shareholders of the parent)",
        "label": "Net Result Attributable to Owners of Parent EU IFRS",
        "documentation": "Net Result Attributable to Owners of Parent EU IFRS"
       }
      }
     },
     "auth_ref": []
    },
    "ing_NetResultsIfrsEuMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "NetResultsIfrsEuMember",
     "presentation": [
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Net Results IFRS-EU",
        "label": "Net Results IFRS-EU [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_NewIFRSsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NewIFRSsAxis",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "New IFRSs [axis]",
        "label": "New IFRSs [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r65",
      "r190"
     ]
    },
    "ifrs-full_NewIFRSsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NewIFRSsDomain",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "New IFRSs [domain]",
        "label": "New IFRSs [domain]"
       }
      }
     },
     "auth_ref": [
      "r65",
      "r190"
     ]
    },
    "ing_NonCashChangesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "NonCashChangesAbstract",
     "presentation": [
      "http://www.ing.com/role/ConsolidatedconsolidatedstatementofcashflowsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Non Cash Changes [Abstract]",
        "label": "Non Cash Changes [Abstract]",
        "documentation": "Non Cash Changes"
       }
      }
     },
     "auth_ref": []
    },
    "ing_NonCreditReplacementGuaranteesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "NonCreditReplacementGuaranteesMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Non-credit replacement guarantees",
        "label": "Non-Credit Replacement Guarantees [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_NonTradingDerivativesAssetsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "NonTradingDerivativesAssetsMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Non-trading derivatives",
        "label": "Non Trading Derivatives Assets [Member]",
        "documentation": "Non-trading derivatives."
       }
      }
     },
     "auth_ref": []
    },
    "ing_NonTradingDerivativesLiabilitiesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "NonTradingDerivativesLiabilitiesMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialliabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Non-trading derivatives",
        "label": "Non Trading Derivatives Liabilities [member]",
        "documentation": "Non-trading derivatives liabilities."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_NonadjustingEventsAfterReportingPeriodAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NonadjustingEventsAfterReportingPeriodAxis",
     "presentation": [
      "http://www.ing.com/role/LegalproceedingsDetails",
      "http://www.ing.com/role/SubsequenteventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Non-adjusting events after reporting period [axis]",
        "label": "Non-adjusting events after reporting period [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r1",
      "r192"
     ]
    },
    "ifrs-full_NonadjustingEventsAfterReportingPeriodDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NonadjustingEventsAfterReportingPeriodDomain",
     "presentation": [
      "http://www.ing.com/role/LegalproceedingsDetails",
      "http://www.ing.com/role/SubsequenteventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Non-adjusting events after reporting period [domain]",
        "label": "Non-adjusting events after reporting period [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for events that occur between the end of the reporting period and the date when the financial statements are authorised for issue and are indicative of conditions that arose after the reporting period. It also represents the standard value for the 'Non-adjusting events after reporting period' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r1",
      "r192"
     ]
    },
    "ifrs-full_NoncontrollingInterests": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NoncontrollingInterests",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_Equity",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition",
      "http://www.ing.com/role/EquitySummaryofequityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Non-controlling interests",
        "label": "Non-controlling interests"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of equity in a subsidiary not attributable, directly or indirectly, to a parent. [Refer: Total for all subsidiaries [member]]"
       }
      }
     },
     "auth_ref": [
      "r71",
      "r73",
      "r286"
     ]
    },
    "ifrs-full_NoncontrollingInterestsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NoncontrollingInterestsMember",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofchangesinequity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Non-controlling interests",
        "label": "Non-controlling interests [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for equity in a subsidiary not attributable, directly or indirectly, to the parent."
       }
      }
     },
     "auth_ref": [
      "r275"
     ]
    },
    "ing_NoninvestmentGradeWholesaleMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "NoninvestmentGradeWholesaleMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementQuantitativeSICRthresholdsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Non-investment grade",
        "label": "Grades 11-17 Non-investment grade [member]",
        "documentation": "This member represents internal credit grade: Non-investment grade wholesale."
       }
      }
     },
     "auth_ref": []
    },
    "ing_NonperformingMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "NonperformingMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Of which: non-performing",
        "label": "Non-performing [member]",
        "documentation": "This member stands for non performing category of risk."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Carrying amount presented as fair value",
        "label": "Not measured at fair value in statement of financial position but for which fair value is disclosed [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for items not measured at fair value in the statement of financial position but for which fair value is disclosed. [Refer: At fair value [member]]"
       }
      }
     },
     "auth_ref": [
      "r96"
     ]
    },
    "ing_NumberOfClassActionsAgreementReached": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "NumberOfClassActionsAgreementReached",
     "presentation": [
      "http://www.ing.com/role/LegalproceedingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Class actions where agreement was reached",
        "label": "Number Of Class Actions, Agreement Reached",
        "documentation": "Number Of Class Actions, Agreement Reached"
       }
      }
     },
     "auth_ref": []
    },
    "ing_NumberOfClassActionsAgreementWithdrawn": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "NumberOfClassActionsAgreementWithdrawn",
     "presentation": [
      "http://www.ing.com/role/LegalproceedingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Class actions where agreement was withdrawn",
        "label": "Number Of Class Actions, Agreement Withdrawn",
        "documentation": "Number Of Class Actions, Agreement Withdrawn"
       }
      }
     },
     "auth_ref": []
    },
    "ing_NumberOfClassActionsFiled": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "NumberOfClassActionsFiled",
     "presentation": [
      "http://www.ing.com/role/LegalproceedingsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Class actions filed",
        "label": "Number Of Class Actions Filed",
        "documentation": "Number Of Class Actions Filed"
       }
      }
     },
     "auth_ref": []
    },
    "ing_NumberOfShareBuybackProgrammesInitiatedDuringThePeriod": {
     "xbrltype": "integerItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "NumberOfShareBuybackProgrammesInitiatedDuringThePeriod",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Number of share buyback programmes, initiated during the period",
        "label": "Number of Share Buyback Programmes, Initiated During The Period",
        "documentation": "Number of Share Buyback Programmes, Initiated During The Period"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_NumberOfSharesOutstanding": {
     "xbrltype": "sharesItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "NumberOfSharesOutstanding",
     "presentation": [
      "http://www.ing.com/role/EquityScheduleofchangesintreasurysharesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "periodStartLabel": "Beginning balance, ordinary shares (in shares)",
        "periodEndLabel": "Ending balance, ordinary shares (in shares)",
        "label": "Number of shares outstanding"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of shares that have been authorised and issued, reduced by treasury shares held. [Refer: Treasury shares]"
       }
      }
     },
     "auth_ref": [
      "r174",
      "r256",
      "r292"
     ]
    },
    "ifrs-full_OperatingExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OperatingExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails": {
       "parentTag": "ifrs-full_ExpenseByNature",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Operating expenses",
        "terseLabel": "Operating expenses",
        "label": "Operating expense"
       }
      }
     },
     "auth_ref": [
      "r407"
     ]
    },
    "ifrs-full_OptionPricingModelMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OptionPricingModelMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Option pricing model",
        "label": "Option pricing model [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a specific valuation technique consistent with the income approach that involves analysing future amounts with option pricing models, such as the Black-Scholes-Merton formula or a binominal model (ie a lattice model), that incorporate present value techniques and reflect both the time value and intrinsic value of an option. [Refer: Income approach [member]]"
       }
      }
     },
     "auth_ref": [
      "r326",
      "r329"
     ]
    },
    "ing_OtherAdjustmentsInReportingProcess": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "OtherAdjustmentsInReportingProcess",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementManagementadjustmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other adjustments in reporting process",
        "label": "Other Adjustments in Reporting Process",
        "documentation": "Other Adjustments in Reporting Process"
       }
      }
     },
     "auth_ref": []
    },
    "ing_OtherAdjustmentsToRegulatoryCapital": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "OtherAdjustmentsToRegulatoryCapital",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "- Other adjustments",
        "label": "Other adjustments to regulatory capital",
        "documentation": "Other adjustments to regulatory capital"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OtherAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Other assets",
        "label": "Other assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of assets that the entity does not separately disclose in the same statement or note."
       }
      }
     },
     "auth_ref": [
      "r405"
     ]
    },
    "ing_OtherBankingNettingMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "OtherBankingNettingMember",
     "presentation": [
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other",
        "label": "Other Banking, Netting [Member]",
        "documentation": "Other banking."
       }
      }
     },
     "auth_ref": []
    },
    "ing_OtherCashDistributions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "OtherCashDistributions",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/DividendperordinaryshareAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other cash distributions",
        "label": "Other Cash Distributions",
        "documentation": "Other cash distributions"
       }
      }
     },
     "auth_ref": []
    },
    "ing_OtherChangesInInvestmentsAccountedForUsingEquityMethod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "OtherChangesInInvestmentsAccountedForUsingEquityMethod",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofchangesininvestmentsinassociatesandjointventuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other",
        "label": "Other changes in investments accounted for using equity method",
        "documentation": "The amount of other changes in investments accounted for using equity method."
       }
      }
     },
     "auth_ref": []
    },
    "ing_OtherCommitmentsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "OtherCommitmentsMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other Commitments",
        "label": "Other Commitments [Member]",
        "documentation": "Other Commitments"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherComprehensiveIncome",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome": {
       "parentTag": "ifrs-full_ComprehensiveIncome",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofchangesinequity",
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total other comprehensive income",
        "terseLabel": "Other comprehensive income",
        "label": "Other comprehensive income"
       }
      }
     },
     "auth_ref": [
      "r77",
      "r272",
      "r296",
      "r306"
     ]
    },
    "ifrs-full_OtherComprehensiveIncomeAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherComprehensiveIncomeAbstract",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other comprehensive income",
        "label": "Other comprehensive income [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OtherComprehensiveIncomeNetOfTaxCashFlowHedges": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherComprehensiveIncomeNetOfTaxCashFlowHedges",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome": {
       "parentTag": "ifrs-full_OtherComprehensiveIncome",
       "weight": 1.0,
       "order": 8.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "- Changes in cash flow hedge reserve",
        "label": "Other comprehensive income, net of tax, cash flow hedges"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of other comprehensive income, net of tax, after reclassification adjustments, related to cash flow hedges. [Refer: Cash flow hedges [member]; Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r290",
      "r306"
     ]
    },
    "ifrs-full_OtherComprehensiveIncomeNetOfTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherComprehensiveIncomeNetOfTaxChangeInFairValueOfFinancialLiabilityAttributableToChangeInCreditRiskOfLiability",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome": {
       "parentTag": "ifrs-full_OtherComprehensiveIncome",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "- Changes in fair value related to changes in own credit risk for financial liabilities designated at fair value through profit or loss",
        "label": "Other comprehensive income, net of tax, change in fair value of financial liability attributable to change in credit risk of liability"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of other comprehensive income, net of tax, related to changes in the fair value of financial liabilities attributable to the changes in the credit risk of those liabilities. [Refer: Other comprehensive income; Credit risk [member]; Financial liabilities]"
       }
      }
     },
     "auth_ref": [
      "r290",
      "r306"
     ]
    },
    "ifrs-full_OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome": {
       "parentTag": "ifrs-full_OtherComprehensiveIncome",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "- Exchange rate differences",
        "label": "Other comprehensive income, net of tax, exchange differences on translation of foreign operations"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of other comprehensive income, net of tax, after reclassification adjustments, related to exchange differences when financial statements of foreign operations are translated. [Refer: Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r290",
      "r306"
     ]
    },
    "ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherComprehensiveIncomeNetOfTaxGainsLossesFromInvestmentsInEquityInstruments",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome": {
       "parentTag": "ifrs-full_OtherComprehensiveIncome",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "- Change in fair value of equity instruments at fair value through other comprehensive income",
        "label": "Other comprehensive income, net of tax, gains (losses) from investments in equity instruments"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of other comprehensive income, net of tax, related to gains (losses) from changes in the fair value of investments in equity instruments that the entity has designated at fair value through other comprehensive income applying paragraph 5.7.5 of IFRS 9. [Refer: Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r290",
      "r306"
     ]
    },
    "ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome": {
       "parentTag": "ifrs-full_OtherComprehensiveIncome",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "- Remeasurement of the net defined benefit asset/liability",
        "label": "Other comprehensive income, net of tax, gains (losses) on remeasurements of defined benefit plans"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of other comprehensive income, net of tax, related to gains (losses) on remeasurements of defined benefit plans, which comprise actuarial gains and losses; the return on plan assets, excluding amounts included in net interest on the net defined benefit liability (asset); and any change in the effect of the asset ceiling, excluding amounts included in net interest on the net defined benefit liability (asset). [Refer: Other comprehensive income; Defined benefit plans [domain]; Plan assets [member]; Net defined benefit liability (asset)] [Contrast: Decrease (increase) in net defined benefit liability (asset) resulting from gain (loss) on remeasurement in other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r290",
      "r306",
      "r371"
     ]
    },
    "ifrs-full_OtherComprehensiveIncomeNetOfTaxGainsLossesOnRevaluation": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherComprehensiveIncomeNetOfTaxGainsLossesOnRevaluation",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome": {
       "parentTag": "ifrs-full_OtherComprehensiveIncome",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "- Unrealised revaluations property in own use",
        "label": "Other comprehensive income, net of tax, gains (losses) on revaluation of property, plant and equipment, right-of-use assets and intangible assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of other comprehensive income, net of tax, related to gains (losses) in relation to changes in the revaluation surplus of property, plant and equipment, right-of-use assets and intangible assets. [Refer: Other comprehensive income; Revaluation surplus]"
       }
      }
     },
     "auth_ref": [
      "r290",
      "r306"
     ]
    },
    "srt_OtherCurrencyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "OtherCurrencyMember",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other Currency",
        "label": "Other Currency [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_OtherDerivativesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "OtherDerivativesMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other derivatives",
        "label": "Other Derivatives [Member]",
        "documentation": "Other derivatives."
       }
      }
     },
     "auth_ref": []
    },
    "ing_OtherEquityInvestmentsNettingMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "OtherEquityInvestmentsNettingMember",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofequitysecuritiesdesignatedasatfairvaluethroughothercomprehensiveincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other Investments",
        "label": "Other Equity Investments, Netting [Member]",
        "documentation": "Other Equity Investments member."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OtherEquitySecuritiesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherEquitySecuritiesMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeAdditionalinformationDetails",
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofchangesinfairvaluethroughothercomprehensiveincomefinancialassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "FVOCI equity securities",
        "verboseLabel": "- Equity securities",
        "label": "Other equity securities [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for equity instruments that the entity does not separately disclose in the same statement or note."
       }
      }
     },
     "auth_ref": [
      "r325",
      "r328"
     ]
    },
    "ifrs-full_OtherExpenseByNature": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherExpenseByNature",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss": {
       "parentTag": "ifrs-full_ExpenseByNature",
       "weight": 1.0,
       "order": 3.0
      },
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss",
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other operating expenses",
        "totalLabel": "Other operating expense",
        "label": "Other expenses, by nature"
       }
      }
     },
     "auth_ref": [
      "r308",
      "r363"
     ]
    },
    "ifrs-full_OtherFeeAndCommissionExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherFeeAndCommissionExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails": {
       "parentTag": "ifrs-full_FeeAndCommissionExpense",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other fee and commission expenses",
        "label": "Other fee and commission expense"
       }
      }
     },
     "auth_ref": [
      "r402"
     ]
    },
    "ifrs-full_OtherFeeAndCommissionIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherFeeAndCommissionIncome",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails": {
       "parentTag": "ifrs-full_FeeAndCommissionIncome",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other fee and commission income",
        "label": "Other fee and commission income"
       }
      }
     },
     "auth_ref": [
      "r402"
     ]
    },
    "ifrs-full_OtherIntangibleAssetsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherIntangibleAssetsMember",
     "presentation": [
      "http://www.ing.com/role/IntangibleassetsAdditionalinformationDetails",
      "http://www.ing.com/role/IntangibleassetsScheduleofchangesinintangibleassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other",
        "label": "Other intangible assets [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a class of intangible assets that the entity does not separately disclose in the same statement or note. [Refer: Intangible assets other than goodwill]"
       }
      }
     },
     "auth_ref": [
      "r378"
     ]
    },
    "ing_OtherInvestmentsInAssociatesAndJointVenturesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "OtherInvestmentsInAssociatesAndJointVenturesMember",
     "presentation": [
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofinvestmentsinassociatesandjointventuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other investments in associates and joint ventures",
        "label": "Other Investments in Associates and Joint Ventures [member]",
        "documentation": "Other investments in associates and joint ventures."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OtherLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_Liabilities",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other liabilities",
        "label": "Other liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of liabilities that the entity does not separately disclose in the same statement or note."
       }
      }
     },
     "auth_ref": [
      "r405"
     ]
    },
    "ing_OtherNonTradingDerivativesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "OtherNonTradingDerivativesMember",
     "presentation": [
      "http://www.ing.com/role/ValuationresultsandnettradingincomeSummaryofvaluationresultsandnettradingincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "\u2013\u00a0 other non-trading derivatives",
        "label": "Other Non-Trading Derivatives [Member]",
        "documentation": "Other non-trading derivatives."
       }
      }
     },
     "auth_ref": []
    },
    "ing_OtherOperatingExpensesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "OtherOperatingExpensesAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of Other Operating Expense [Abstract]",
        "label": "Other Operating Expenses [Abstract]",
        "documentation": "Disclosure of other operating expense."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OtherOperatingIncomeExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherOperatingIncomeExpense",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss": {
       "parentTag": "ifrs-full_ProfitLossFromOperatingActivities",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other net income",
        "label": "Other operating income (expense)"
       }
      }
     },
     "auth_ref": [
      "r407"
     ]
    },
    "ing_OtherPostModelAdjustmentsManagementAdjustments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "OtherPostModelAdjustmentsManagementAdjustments",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/RiskmanagementManagementadjustmentsDetails": {
       "parentTag": "ing_ManagementAdjustments",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/RiskmanagementManagementadjustmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other Post Model Adjustments",
        "label": "Other Post Model Adjustments",
        "documentation": "Other Post Model Adjustments, Management Adjustments"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OtherReserves": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherReserves",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_EquityAttributableToOwnersOfParent",
       "weight": 1.0,
       "order": 2.0
      },
      "http://www.ing.com/role/EquitySummaryofequityDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition",
      "http://www.ing.com/role/EquitySummaryofequityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other reserves",
        "totalLabel": "Non-controlling interests",
        "label": "Other reserves"
       }
      },
      "en": {
       "role": {
        "documentation": "A component of equity representing reserves within equity, not including retained earnings. [Refer: Retained earnings]"
       }
      }
     },
     "auth_ref": [
      "r362",
      "r366"
     ]
    },
    "ing_OtherReservesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "OtherReservesAbstract",
     "presentation": [
      "http://www.ing.com/role/EquitySummaryofequityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other reserves",
        "label": "Other Reserves [Abstract]",
        "documentation": "Other Reserves"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_OtherReservesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherReservesMember",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofchangesinequity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other reserves",
        "label": "Other reserves [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a component of equity representing reserves within equity, not including retained earnings. [Refer: Retained earnings]"
       }
      }
     },
     "auth_ref": [
      "r175",
      "r275"
     ]
    },
    "ifrs-full_OtherTradingIncomeExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "OtherTradingIncomeExpense",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/ValuationresultsandnettradingincomeSummaryofvaluationresultsandnettradingincomeDetails": {
       "parentTag": "ifrs-full_TradingIncomeExpense",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/ValuationresultsandnettradingincomeSummaryofvaluationresultsandnettradingincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other trading results",
        "label": "Other trading income (expense)"
       }
      }
     },
     "auth_ref": [
      "r402"
     ]
    },
    "ing_OtherValuationAdjustmentsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "OtherValuationAdjustmentsMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSummaryofvaluationadjustmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other valuation adjustments",
        "label": "Other Valuation Adjustments [Member]",
        "documentation": "Other Valuation Adjustments"
       }
      }
     },
     "auth_ref": []
    },
    "ing_OtherWholesaleBankingMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "OtherWholesaleBankingMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementQuantitativeSICRthresholdsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other Wholesale Banking",
        "label": "Other Wholesale Banking [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_OutsourcingAndSubcontractingExpenses": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "OutsourcingAndSubcontractingExpenses",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails": {
       "parentTag": "ifrs-full_OtherExpenseByNature",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Outsourcing and subcontracting",
        "label": "Outsourcing And Subcontracting Expenses",
        "documentation": "Outsourcing And Subcontracting Expenses"
       }
      }
     },
     "auth_ref": []
    },
    "ing_OwnCreditAdjustmentsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "OwnCreditAdjustmentsMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSummaryofvaluationadjustmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Own credit adjustments",
        "label": "Own Credit Adjustments [Member]",
        "documentation": "Own Credit Adjustments"
       }
      }
     },
     "auth_ref": []
    },
    "ing_OwnershipInterestHeldInEquityBasedInvestments": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "OwnershipInterestHeldInEquityBasedInvestments",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Ownership interest held in equity based investments",
        "label": "Ownership Interest Held In Equity Based Investments",
        "documentation": "Ownership Interest Held In Equity Based Investments"
       }
      }
     },
     "auth_ref": []
    },
    "country_PL": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/country/2025",
     "localname": "PL",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Poland",
        "label": "POLAND"
       }
      }
     },
     "auth_ref": []
    },
    "currency_PLN": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/currency/2025",
     "localname": "PLN",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Poland, Zlotych",
        "label": "Poland, Zlotych"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_PastDueStatusAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PastDueStatusAxis",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Past Due Status [Axis]",
        "label": "Past due status [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r344"
     ]
    },
    "ifrs-full_PastDueStatusDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PastDueStatusDomain",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Past due status [domain]",
        "label": "Past due status [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for all past-due statuses. It also represents the standard value for the 'Past due status' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r344"
     ]
    },
    "ing_PaymentServicesFeeAndCommissionExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "PaymentServicesFeeAndCommissionExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails": {
       "parentTag": "ifrs-full_FeeAndCommissionExpense",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Payment Services",
        "label": "Payment Services Fee And Commission Expense",
        "documentation": "Payment Services Fee And Commission Expense"
       }
      }
     },
     "auth_ref": []
    },
    "ing_PaymentServicesFeeAndCommissionIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "PaymentServicesFeeAndCommissionIncome",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails": {
       "parentTag": "ifrs-full_FeeAndCommissionIncome",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Payment Services",
        "label": "Payment Services Fee And Commission Income",
        "documentation": "Payment Services Fee And Commission Income"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PaymentsOfLeaseLiabilitiesClassifiedAsFinancingActivities",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": -1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Repayments of principal portion of lease liabilities",
        "label": "Payments of lease liabilities, classified as financing activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for payment of lease liabilities, classified as financing activities. [Refer: Lease liabilities]"
       }
      }
     },
     "auth_ref": [
      "r318"
     ]
    },
    "ing_PayoutRatioMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "PayoutRatioMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Payout ratio (%)",
        "label": "Payout ratio (%) [Member]",
        "documentation": "Payout ratio (%)"
       }
      }
     },
     "auth_ref": []
    },
    "ing_PercentageOfFinancialAssets": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "PercentageOfFinancialAssets",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Percentage of financial assets",
        "label": "Percentage Of Financial Assets",
        "documentation": "Percentage Of Financial Assets"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_PercentageOfVotingEquityInterestsAcquired": {
     "xbrltype": "percentItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PercentageOfVotingEquityInterestsAcquired",
     "presentation": [
      "http://www.ing.com/role/BusinessesacquiredanddivestedDetails",
      "http://www.ing.com/role/BusinessesacquiredanddivestedDisclosureofbusinessacquisitionDetails",
      "http://www.ing.com/role/IntangibleassetsAdditionalinformationDetails",
      "http://www.ing.com/role/SubsequenteventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Percentage of voting equity interests acquired",
        "label": "Percentage of voting equity interests acquired"
       }
      },
      "en": {
       "role": {
        "documentation": "The percentage of voting equity interests acquired in a business combination. [Refer: Total for all business combinations [member]]"
       }
      }
     },
     "auth_ref": [
      "r107",
      "r221"
     ]
    },
    "ing_PercentageOnFinancialAssetsBasedOnUnadjustedQuotedPricesInInactiveMarkets": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "PercentageOnFinancialAssetsBasedOnUnadjustedQuotedPricesInInactiveMarkets",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Percentage on financial asset based on unadjusted quoted price",
        "label": "percentage on financial assets based on unadjusted quoted prices in inactive markets",
        "documentation": "Percentage on financial assets based on unadjusted quoted prices in inactive markets."
       }
      }
     },
     "auth_ref": []
    },
    "ing_PersonalLendingMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "PersonalLendingMember",
     "presentation": [
      "http://www.ing.com/role/LoansandadvancestocustomersDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Other personal lending",
        "label": "Personal lending [Member]",
        "documentation": "This member stands for loan loss provisions related to Personal lending."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_PortfolioAndOtherManagementFeeIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PortfolioAndOtherManagementFeeIncome",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails": {
       "parentTag": "ifrs-full_FeeAndCommissionIncome",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Portfolio management",
        "label": "Portfolio and other management fee income"
       }
      }
     },
     "auth_ref": [
      "r402"
     ]
    },
    "ing_PositiveFairValueMovementsUsingPossibleAlternatives": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "PositiveFairValueMovementsUsingPossibleAlternatives",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSensitivityanalysisoflevel3instrumentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Positive fair\u00a0value movements from using reasonable possible alternatives",
        "label": "Positive Fair Value Movements Using Possible Alternatives",
        "documentation": "Positive fair value movements using possible alternatives."
       }
      }
     },
     "auth_ref": []
    },
    "ing_PresentValueTechniquesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "PresentValueTechniquesMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Present value techniques",
        "label": "Present Value Techniques [Member]",
        "documentation": "Present value techniques."
       }
      }
     },
     "auth_ref": []
    },
    "ing_PresentationOfRiskManagementDisclosuresExplanatoryPolicyTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "PresentationOfRiskManagementDisclosuresExplanatoryPolicyTextBlock",
     "presentation": [
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodPolicies"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Presentation of Risk management disclosures",
        "label": "Presentation Of Risk Management Disclosures Explanatory [Policy Text Block]",
        "documentation": "Presentation Of Risk Management Disclosures Explanatory"
       }
      }
     },
     "auth_ref": []
    },
    "ing_PriceBasedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "PriceBasedMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Price based",
        "label": "Price Based [Member]",
        "documentation": "Price based."
       }
      }
     },
     "auth_ref": []
    },
    "ing_PriceMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "PriceMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Price (%)",
        "label": "Price [member]",
        "documentation": "Price."
       }
      }
     },
     "auth_ref": []
    },
    "ing_PriceNonPercentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "PriceNonPercentMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Price (price per share)",
        "label": "Price, Non-Percent [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_PriceSignificantUnobservableInputs": {
     "xbrltype": "decimalItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "PriceSignificantUnobservableInputs",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Significant unobservable inputs, price (in EUR per share)",
        "label": "Price Significant Unobservable Inputs",
        "documentation": "Price significant Unobservable Inputs"
       }
      }
     },
     "auth_ref": []
    },
    "ing_PrivateIndividualsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "PrivateIndividualsMember",
     "presentation": [
      "http://www.ing.com/role/CustomerdepositsAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Private individuals",
        "label": "Private Individuals [member]",
        "documentation": "Private Individuals [member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ProceedsFromIssueOfBondsNotesAndDebentures": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProceedsFromIssueOfBondsNotesAndDebentures",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Proceeds from debt securities",
        "label": "Proceeds from issue of bonds, notes and debentures"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from the issuing of bonds, notes and debentures."
       }
      }
     },
     "auth_ref": [
      "r382"
     ]
    },
    "ifrs-full_ProceedsFromIssueOfSubordinatedLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProceedsFromIssueOfSubordinatedLiabilities",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Proceeds from issuance of subordinated loans",
        "label": "Proceeds from issue of subordinated liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from the issuing of subordinated liabilities. [Refer: Subordinated liabilities]"
       }
      }
     },
     "auth_ref": [
      "r382"
     ]
    },
    "ing_ProceedsFromSaleOrIssuePurchaseOfTreasuryShares": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ProceedsFromSaleOrIssuePurchaseOfTreasuryShares",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Purchase/sale of treasury shares",
        "label": "Proceeds From Sale Or Issue (Purchase) Of Treasury Shares",
        "documentation": "Proceeds From Sale Or Issue (Purchase) Of Treasury Shares"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProceedsFromSalesOfInvestmentsAccountedForUsingEquityMethod",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows",
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "\u2013 Associates and joint ventures",
        "verboseLabel": "Gross proceeds",
        "label": "Proceeds from sales of investments accounted for using equity method"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from sales of investments accounted for using the equity method. [Refer: Investments accounted for using equity method]"
       }
      }
     },
     "auth_ref": [
      "r381"
     ]
    },
    "ifrs-full_ProceedsFromSalesOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProceedsFromSalesOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0,
       "order": 8.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "\u2013 Other investments",
        "label": "Proceeds from sales of investments other than investments accounted for using equity method"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from sales of investments other than investments accounted for using the equity method. [Refer: Investments accounted for using equity method; Investments other than investments accounted for using equity method]"
       }
      }
     },
     "auth_ref": [
      "r381"
     ]
    },
    "ifrs-full_ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "\u2013 Property and equipment",
        "label": "Proceeds from sales of property, plant and equipment, classified as investing activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from sales of property, plant and equipment, classified as investing activities. [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r317"
     ]
    },
    "ifrs-full_ProceedsFromSalesOrMaturityOfFinancialAssetsMeasuredAtAmortisedCostClassifiedAsInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProceedsFromSalesOrMaturityOfFinancialAssetsMeasuredAtAmortisedCostClassifiedAsInvestingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "\u2013 Securities at amortised cost",
        "label": "Proceeds from sales or maturity of financial assets measured at amortised cost, classified as investing activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from sales or maturity of financial assets measured at amortised cost, classified as investing activities."
       }
      }
     },
     "auth_ref": [
      "r381"
     ]
    },
    "ifrs-full_ProceedsFromSalesOrMaturityOfFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeClassifiedAsInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProceedsFromSalesOrMaturityOfFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeClassifiedAsInvestingActivities",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": 1.0,
       "order": 10.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "\u2013 Financial assets at fair value through other comprehensive income",
        "label": "Proceeds from sales or maturity of financial assets measured at fair value through other comprehensive income, classified as investing activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash inflow from sales or maturity of financial assets measured at fair value through other comprehensive income, classified as investing activities."
       }
      }
     },
     "auth_ref": [
      "r381"
     ]
    },
    "ifrs-full_ProductsAndServicesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProductsAndServicesAxis",
     "presentation": [
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Products and services [axis]",
        "label": "Products and services [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r160",
      "r330",
      "r351"
     ]
    },
    "ifrs-full_ProductsAndServicesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProductsAndServicesDomain",
     "presentation": [
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Products and services [domain]",
        "label": "Products and services [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the entity's products and services. It also represents the standard value for the 'Products and services' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r160",
      "r330",
      "r351"
     ]
    },
    "ifrs-full_ProfessionalFeesExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProfessionalFeesExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails": {
       "parentTag": "ifrs-full_OtherExpenseByNature",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Advisory fees",
        "label": "Professional fees expense"
       }
      }
     },
     "auth_ref": [
      "r402"
     ]
    },
    "ifrs-full_ProfitLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProfitLoss",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome": {
       "parentTag": "ifrs-full_ComprehensiveIncome",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      },
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss_1": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofchangesinequity",
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome",
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Net result",
        "verboseLabel": "Net result",
        "terseLabel": "Net result",
        "label": "Profit (loss)"
       }
      },
      "en": {
       "role": {
        "documentation": "The total of income less expenses from continuing and discontinued operations, excluding the components of other comprehensive income. [Refer: Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r68",
      "r70",
      "r152",
      "r155",
      "r203",
      "r220",
      "r271",
      "r295",
      "r323",
      "r332"
     ]
    },
    "ifrs-full_ProfitLossAttributableToAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProfitLossAttributableToAbstract",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Net result attributable to:",
        "label": "Profit (loss), attributable to [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ProfitLossAttributableToNoncontrollingInterests": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProfitLossAttributableToNoncontrollingInterests",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss_1": {
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss",
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofreconciliationbetweenIFRSandunderlyingincomeexpensesandnetresultDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Non-controlling interests",
        "netLabel": "Non-controlling interests",
        "verboseLabel": "Non-controlling interests",
        "label": "Profit (loss), attributable to non-controlling interests"
       }
      },
      "en": {
       "role": {
        "documentation": "The profit (loss) from continuing and discontinued operations attributable to non-controlling interests. [Refer: Profit (loss); Non-controlling interests]"
       }
      }
     },
     "auth_ref": [
      "r72",
      "r298"
     ]
    },
    "ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityAbstract",
     "presentation": [
      "http://www.ing.com/role/EarningsperordinaryshareDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Amount",
        "label": "Profit (loss), attributable to ordinary equity holders of parent entity [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/EarningsperordinaryshareDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Diluted earnings",
        "label": "Profit (loss), attributable to ordinary equity holders of parent entity, used in calculating diluted earnings per share"
       }
      },
      "en": {
       "role": {
        "documentation": "The profit (loss) attributable to ordinary equity holders of the parent entity, adjusted for the effects of all dilutive potential ordinary shares. [Refer: Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r24"
     ]
    },
    "ifrs-full_ProfitLossAttributableToOwnersOfParent": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProfitLossAttributableToOwnersOfParent",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss_1": {
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodReconciliationnetresultunderIFRSEUandIFRSIASBDetails",
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss",
      "http://www.ing.com/role/EarningsperordinaryshareDetails",
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofreconciliationbetweenIFRSandunderlyingincomeexpensesandnetresultDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Shareholders of the parent",
        "verboseLabel": "Basic earnings",
        "netLabel": "Net result",
        "label": "Profit (loss), attributable to owners of parent"
       }
      },
      "en": {
       "role": {
        "documentation": "The profit (loss) from continuing and discontinued operations attributable to owners of the parent. [Refer: Profit (loss)]"
       }
      }
     },
     "auth_ref": [
      "r299"
     ]
    },
    "ifrs-full_ProfitLossBeforeTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProfitLossBeforeTax",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss": {
       "parentTag": "ifrs-full_ProfitLoss",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInOperatingActivities",
       "weight": 1.0,
       "order": 7.0
      },
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss",
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows",
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Result before tax",
        "verboseLabel": "Result before tax",
        "label": "Profit (loss) before tax"
       }
      }
     },
     "auth_ref": [
      "r115",
      "r349",
      "r350",
      "r363",
      "r364"
     ]
    },
    "ifrs-full_ProfitLossFromOperatingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProfitLossFromOperatingActivities",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss": {
       "parentTag": "ifrs-full_ProfitLossBeforeTax",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss",
      "http://www.ing.com/role/SegmentsSummaryofreconciliationbetweenIFRSandunderlyingincomeexpensesandnetresultDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total income",
        "terseLabel": "Income",
        "label": "Profit (loss) from operating activities"
       }
      }
     },
     "auth_ref": [
      "r311",
      "r407"
     ]
    },
    "ing_PromotionalAndClientsAcquisitionCosts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "PromotionalAndClientsAcquisitionCosts",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails": {
       "parentTag": "ifrs-full_OtherExpenseByNature",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Promotional and client acquisition costs",
        "label": "Promotional And Clients Acquisition Costs",
        "documentation": "Promotional And Clients Acquisition Costs"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_PropertyPlantAndEquipmentIncludingRightofuseAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PropertyPlantAndEquipmentIncludingRightofuseAssets",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_Assets",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Property and equipment",
        "label": "Property, plant and equipment including right-of-use assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of property, plant and equipment including right-of-use assets whose underlying assets would be presented as property, plant and equipment if they were owned. [Refer: Property, plant and equipment; Right-of-use assets]"
       }
      }
     },
     "auth_ref": [
      "r100",
      "r370",
      "r404"
     ]
    },
    "ifrs-full_ProportionOfOwnershipInterestInAssociate": {
     "xbrltype": "percentItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ProportionOfOwnershipInterestInAssociate",
     "presentation": [
      "http://www.ing.com/role/BusinessesacquiredanddivestedDetails",
      "http://www.ing.com/role/BusinessesacquiredanddivestedDisclosureofbusinessacquisitionDetails",
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresAdditionalinformationDetails",
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofinvestmentsinassociatesandjointventuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Interest held, percentage",
        "verboseLabel": "Percentage of ownership interest",
        "label": "Proportion of ownership interest in associate"
       }
      },
      "en": {
       "role": {
        "documentation": "The proportion of ownership interest in an associate attributable to the entity. [Refer: Total for all associates [member]]"
       }
      }
     },
     "auth_ref": [
      "r17",
      "r19",
      "r74"
     ]
    },
    "ifrs-full_Provisions": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Provisions",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_Liabilities",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Provisions",
        "label": "Provisions"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of liabilities of uncertain timing or amount, including provisions for employee benefits."
       }
      }
     },
     "auth_ref": [
      "r283"
     ]
    },
    "ifrs-full_PurchaseOfFinancialAssetsMeasuredAtAmortisedCostClassifiedAsInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PurchaseOfFinancialAssetsMeasuredAtAmortisedCostClassifiedAsInvestingActivities",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "\u2013 Securities at amortised cost",
        "label": "Purchase of financial assets measured at amortised cost, classified as investing activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for the purchase of financial assets measured at amortised cost, classified as investing activities."
       }
      }
     },
     "auth_ref": [
      "r381"
     ]
    },
    "ifrs-full_PurchaseOfFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeClassifiedAsInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PurchaseOfFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeClassifiedAsInvestingActivities",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0,
       "order": 9.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "\u2013 Financial assets at fair value through other comprehensive income",
        "label": "Purchase of financial assets measured at fair value through other comprehensive income, classified as investing activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for the purchase of financial assets measured at fair value through other comprehensive income, classified as investing activities."
       }
      }
     },
     "auth_ref": [
      "r381"
     ]
    },
    "ifrs-full_PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PurchaseOfInterestsInInvestmentsAccountedForUsingEquityMethod",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "- Associates and joint ventures",
        "label": "Purchase of interests in investments accounted for using equity method"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for the purchase of interests in investments accounted for using the equity method. [Refer: Investments accounted for using equity method]"
       }
      }
     },
     "auth_ref": [
      "r381"
     ]
    },
    "ifrs-full_PurchaseOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PurchaseOfInvestmentsOtherThanInvestmentsAccountedForUsingEquityMethod",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "\u2013 Other investments",
        "label": "Purchase of investments other than investments accounted for using equity method"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for the purchase of investments other than investments accounted for using equity method. [Refer: Investments accounted for using equity method; Investments other than investments accounted for using equity method]"
       }
      }
     },
     "auth_ref": [
      "r381"
     ]
    },
    "ifrs-full_PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInInvestingActivities",
       "weight": -1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "\u2013 Property and equipment",
        "label": "Purchase of property, plant and equipment, classified as investing activities"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for the purchases of property, plant and equipment, classified as investing activities. [Refer: Property, plant and equipment]"
       }
      }
     },
     "auth_ref": [
      "r316"
     ]
    },
    "ifrs-full_PurchaseOfTreasuryShares": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PurchaseOfTreasuryShares",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofchangesinequity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Share buyback programmes, repurchases of shares",
        "label": "Purchase of treasury shares"
       }
      },
      "en": {
       "role": {
        "documentation": "The decrease in equity resulting from the purchase of treasury shares. [Refer: Treasury shares]"
       }
      }
     },
     "auth_ref": [
      "r400"
     ]
    },
    "ifrs-full_PurchasesFairValueMeasurementAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "PurchasesFairValueMeasurementAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Purchase of assets",
        "label": "Purchases, fair value measurement, assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The increase in the fair value measurement of assets resulting from purchases of those assets. [Refer: At fair value [member]]"
       }
      }
     },
     "auth_ref": [
      "r91"
     ]
    },
    "ing_QualitativeIndicatorDaysArrearsBackstop": {
     "xbrltype": "durationItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "QualitativeIndicatorDaysArrearsBackstop",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Qualitative indicator, days arrears, backstop",
        "label": "Qualitative Indicator, Days Arrears, Backstop",
        "documentation": "Qualitative Indicator, Days Arrears, Backstop"
       }
      }
     },
     "auth_ref": []
    },
    "currency_RUB": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/currency/2025",
     "localname": "RUB",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Russia, Rubles",
        "label": "Russia, Rubles"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_RangeAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RangeAxis",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Range [axis]",
        "label": "Range [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r59",
      "r98",
      "r104",
      "r106",
      "r183",
      "r327",
      "r329",
      "r391"
     ]
    },
    "ifrs-full_RangeDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RangeDomain",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Range [domain]",
        "label": "Range [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for aggregate ranges. It also represents the standard value for the 'Range' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r59",
      "r98",
      "r104",
      "r106",
      "r183",
      "r327",
      "r329",
      "r391"
     ]
    },
    "ing_ReceivablesRelatedToSecuritiesInRepurchaseTransactionsMemberMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ReceivablesRelatedToSecuritiesInRepurchaseTransactionsMemberMember",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Repurchase transactions",
        "label": "Receivables Related To Securities in Repurchase Transactions [Member]",
        "documentation": "Receivables related to securities in repurchase transactions [member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ReclassificationAdjustmentsOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeNetOfTax",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome": {
       "parentTag": "ifrs-full_OtherComprehensiveIncome",
       "weight": -1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofcomprehensiveincome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "- Realised gains/losses on debt instruments at fair value through other comprehensive income reclassified to the statement of profit or loss",
        "label": "Reclassification adjustments on financial assets measured at fair value through other comprehensive income, net of tax"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of reclassification adjustments related to financial assets measured at fair value through other comprehensive income, net of tax. Reclassification adjustments are amounts reclassified to profit (loss) in the current period that were recognised in other comprehensive income in the current or previous periods. [Refer: Financial assets measured at fair value through other comprehensive income; Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r307"
     ]
    },
    "ing_ReclassificationFairValueMeasurementAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ReclassificationFairValueMeasurementAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Reclassifications",
        "label": "Reclassification Fair Value Measurement Assets",
        "documentation": "Reclassification fair value measurement assets."
       }
      }
     },
     "auth_ref": []
    },
    "ing_ReclassificationFairValueMeasurementLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ReclassificationFairValueMeasurementLiabilities",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialliabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Reclassifications",
        "label": "Reclassification Fair Value Measurement Liabilities",
        "documentation": "Reclassification Fair Value Measurement Liabilities"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ReconciliationNetResultAdjustmentOfEUIAS39CarveOut": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ReconciliationNetResultAdjustmentOfEUIAS39CarveOut",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodReconciliationnetresultunderIFRSEUandIFRSIASBDetails": {
       "parentTag": "ing_ReconciliationNetResultEffectOfAdjustmentAfterTaxEUIAS39CarveOut",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodReconciliationnetresultunderIFRSEUandIFRSIASBDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Adjustment of the EU IAS 39 carve-out",
        "label": "Reconciliation Net Result Adjustment of EU IAS 39 Carve-Out",
        "documentation": "Reconciliation Net Result Adjustment of EU IAS 39 Carve-Out"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ReconciliationNetResultEffectOfAdjustmentAfterTaxEUIAS39CarveOut": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ReconciliationNetResultEffectOfAdjustmentAfterTaxEUIAS39CarveOut",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodReconciliationnetresultunderIFRSEUandIFRSIASBDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodAdditionalinformationDetails",
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodReconciliationnetresultunderIFRSEUandIFRSIASBDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Reconciliation net result effect of adjustment after tax EU IAS 39 carve-out",
        "totalLabel": "Effect of adjustment after tax",
        "label": "Reconciliation Net Result Effect of Adjustment After Tax EU IAS 39 Carve-Out",
        "documentation": "Reconciliation net result effect of adjustment after tax EU IAS 39 carve-out."
       }
      }
     },
     "auth_ref": []
    },
    "ing_ReconciliationNetResultTaxEffectOfAdjustment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ReconciliationNetResultTaxEffectOfAdjustment",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodReconciliationnetresultunderIFRSEUandIFRSIASBDetails": {
       "parentTag": "ing_ReconciliationNetResultEffectOfAdjustmentAfterTaxEUIAS39CarveOut",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodReconciliationnetresultunderIFRSEUandIFRSIASBDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Tax effect of the adjustment",
        "label": "Reconciliation Net Result Tax Effect of Adjustment",
        "documentation": "Reconciliation Net Result Tax Effect of Adjustment"
       }
      }
     },
     "auth_ref": []
    },
    "ing_RegulatoryAdjustments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "RegulatoryAdjustments",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Regulatory adjustments",
        "label": "Regulatory adjustments",
        "documentation": "Regulatory adjustments"
       }
      }
     },
     "auth_ref": []
    },
    "ing_RegulatoryAdjustmentsTier2": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "RegulatoryAdjustmentsTier2",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Regulatory adjustments Tier 2",
        "label": "Regulatory adjustments Tier 2",
        "documentation": "Regulatory adjustments Tier 2"
       }
      }
     },
     "auth_ref": []
    },
    "ing_RegulatoryCosts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "RegulatoryCosts",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails": {
       "parentTag": "ifrs-full_OtherExpenseByNature",
       "weight": 1.0,
       "order": 9.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails",
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Regulatory costs",
        "verboseLabel": "\u2013 of which Regulatory expenses",
        "label": "Regulatory Costs",
        "documentation": "Regulatory costs."
       }
      }
     },
     "auth_ref": []
    },
    "ing_RemainingFinancialAssetsClassifiedAsLevel3": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "RemainingFinancialAssetsClassifiedAsLevel3",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Remaining financial assets classified as level 3 using valuation techniques",
        "label": "Remaining financial assets classified as level 3",
        "documentation": "Remaining financial assets classified as level 3."
       }
      }
     },
     "auth_ref": []
    },
    "ing_RemainingFinancialLiabilitiesClassifiedAsLevel3ThatIncorporatesCertainInputsThatAreUnobservable": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "RemainingFinancialLiabilitiesClassifiedAsLevel3ThatIncorporatesCertainInputsThatAreUnobservable",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Remaining financial liabilities classified as level 3 using valuation techniques",
        "label": "Remaining financial liabilities classified as level 3 that incorporates certain inputs that are unobservable",
        "documentation": "Remaining financial liabilities classified as level 3 that incorporates certain inputs that are unobservable."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_RentalExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RentalExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails": {
       "parentTag": "ifrs-full_OtherExpenseByNature",
       "weight": 1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Facilities",
        "label": "Rental expense"
       }
      }
     },
     "auth_ref": [
      "r407"
     ]
    },
    "ifrs-full_RepaymentsOfBondsNotesAndDebentures": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RepaymentsOfBondsNotesAndDebentures",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Repayments of debt securities",
        "label": "Repayments of bonds, notes and debentures"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for repayments of bonds, notes and debentures."
       }
      }
     },
     "auth_ref": [
      "r382"
     ]
    },
    "ifrs-full_RepaymentsOfSubordinatedLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RepaymentsOfSubordinatedLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashFlowsFromUsedInFinancingActivities",
       "weight": -1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Repayments of subordinated loans",
        "label": "Repayments of subordinated liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The cash outflow for repayments of subordinated liabilities. [Refer: Subordinated liabilities]"
       }
      }
     },
     "auth_ref": [
      "r382"
     ]
    },
    "ing_ReserveFromShareOfChangesInEquitiesOfAssociatesAndJointVenture": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ReserveFromShareOfChangesInEquitiesOfAssociatesAndJointVenture",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/EquitySummaryofequityDetails": {
       "parentTag": "ifrs-full_OtherReserves",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/EquitySummaryofequityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Share of associates and joint ventures and other reserves",
        "label": "Reserve From Share of Changes in Equities of Associates and Joint Venture",
        "documentation": "Reserve From Share of Changes in Equities of Associates and Joint Venture"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ReserveOfCashFlowHedges": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ReserveOfCashFlowHedges",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/EquitySummaryofequityDetails": {
       "parentTag": "ifrs-full_OtherReserves",
       "weight": 1.0,
       "order": 8.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/EquitySummaryofequityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Revaluation reserve: Cash flow hedge",
        "label": "Reserve of cash flow hedges"
       }
      },
      "en": {
       "role": {
        "documentation": "A component of equity representing the accumulated portion of gain (loss) on a hedging instrument that is determined to be an effective hedge for cash flow hedges. [Refer: Cash flow hedges [member]]"
       }
      }
     },
     "auth_ref": [
      "r165",
      "r406"
     ]
    },
    "ifrs-full_ReserveOfCashFlowHedgesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ReserveOfCashFlowHedgesMember",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Reserve of cash flow hedges",
        "label": "Reserve of cash flow hedges [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a component of equity representing the accumulated portion of gain (loss) on a hedging instrument that is determined to be an effective hedge for cash flow hedges. [Refer: Cash flow hedges [member]]"
       }
      }
     },
     "auth_ref": [
      "r165",
      "r365"
     ]
    },
    "ifrs-full_ReserveOfExchangeDifferencesOnTranslation": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ReserveOfExchangeDifferencesOnTranslation",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/EquitySummaryofequityDetails": {
       "parentTag": "ifrs-full_OtherReserves",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/EquitySummaryofequityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Currency translation reserve",
        "label": "Reserve of exchange differences on translation"
       }
      },
      "en": {
       "role": {
        "documentation": "A component of equity representing exchange differences on translation of financial statements recognised in other comprehensive income and accumulated in equity. [Refer: Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r11",
      "r199"
     ]
    },
    "ifrs-full_ReserveOfExchangeDifferencesOnTranslationMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ReserveOfExchangeDifferencesOnTranslationMember",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Currency translation reserve",
        "label": "Reserve of exchange differences on translation [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a component of equity representing accumulated exchange differences on the translation of financial statements recognised in other comprehensive income. [Refer: Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r11",
      "r199",
      "r365"
     ]
    },
    "ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncome",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/EquitySummaryofequityDetails": {
       "parentTag": "ifrs-full_OtherReserves",
       "weight": 1.0,
       "order": 6.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/EquitySummaryofequityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "netLabel": "Revaluation reserve: Equity securities and Debt instruments at FVOCI",
        "label": "Reserve of gains and losses on financial assets measured at fair value through other comprehensive income"
       }
      },
      "en": {
       "role": {
        "documentation": "A component of equity representing the reserve of gains and losses on financial assets measured at fair value through other comprehensive income. [Refer: Financial assets measured at fair value through other comprehensive income; Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r406"
     ]
    },
    "ifrs-full_ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ReserveOfGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Reserve of gain (loss) at FVOCI",
        "label": "Reserve of gains and losses on financial assets measured at fair value through other comprehensive income [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a component of equity representing the accumulated gains and losses on financial assets measured at fair value through other comprehensive income. [Refer: Financial assets measured at fair value through other comprehensive income; Other comprehensive income]"
       }
      }
     },
     "auth_ref": [
      "r365"
     ]
    },
    "ing_ReserveOfPropertyInOwnUse": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ReserveOfPropertyInOwnUse",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/EquitySummaryofequityDetails": {
       "parentTag": "ifrs-full_OtherReserves",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/EquitySummaryofequityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Revaluation reserve: Property in own use",
        "label": "Reserve Of Property In Own Use",
        "documentation": "Reserve of property in own use."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ReserveOfRemeasurementsOfDefinedBenefitPlans": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ReserveOfRemeasurementsOfDefinedBenefitPlans",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/EquitySummaryofequityDetails": {
       "parentTag": "ifrs-full_OtherReserves",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/EquitySummaryofequityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Net defined benefit asset/liability remeasurement reserve",
        "label": "Reserve of remeasurements of defined benefit plans"
       }
      },
      "en": {
       "role": {
        "documentation": "A component of equity representing the accumulated remeasurements of defined benefit plans. [Refer: Defined benefit plans [domain]]"
       }
      }
     },
     "auth_ref": [
      "r406"
     ]
    },
    "ing_ReserveOfUnrealizedGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ReserveOfUnrealizedGainsAndLossesOnFinancialAssetsMeasuredAtFairValueThroughOtherComprehensiveIncomeMember",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Reserve of unrealized gain (loss) at FVOCI",
        "label": "Reserve of Unrealized Gains and Losses on Financial Assets Measured at Fair Value Through Other Comprehensive Income [Member]",
        "documentation": "Reserve of Unrealized Gains and Losses on Financial Assets Measured at Fair Value Through Other Comprehensive Income"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ReservedProfitNotIncludedInCommonEquityTierOneCapital": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ReservedProfitNotIncludedInCommonEquityTierOneCapital",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "- Interim profits not included in CET1 capital",
        "label": "Reserved profit not included in common equity tier one capital",
        "documentation": "Reserved profit not included in common equity tier one capital before interim dividend paid."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ReservesWithinEquityAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ReservesWithinEquityAxis",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Reserves within equity [axis]",
        "label": "Reserves within equity [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r175",
      "r257",
      "r293"
     ]
    },
    "ifrs-full_ReservesWithinEquityDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ReservesWithinEquityDomain",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Reserves within equity [domain]",
        "label": "Reserves within equity [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Reserves within equity' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r175",
      "r257",
      "r293"
     ]
    },
    "ing_ResetSpreadMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ResetSpreadMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Reset spread (%)",
        "label": "Reset Spread [Member]",
        "documentation": "Reset spread."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_RestatedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RestatedMember",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofreconciliationbetweenIFRSandunderlyingincomeexpensesandnetresultDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Currently stated",
        "label": "Currently stated [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the information currently stated in the financial statements. It also represents the standard value for the 'Retrospective application and retrospective restatement' and 'Departure from requirement of IFRS' axes if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r62",
      "r64",
      "r66",
      "r103",
      "r187",
      "r189",
      "r191",
      "r270",
      "r403"
     ]
    },
    "ing_RetailBankingMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "RetailBankingMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Retail banking",
        "label": "Retail Banking [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_RetailBelgiumMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "RetailBelgiumMember",
     "presentation": [
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Retail Belgium",
        "label": "Retail Belgium [member]",
        "documentation": "Retail Belgium."
       }
      }
     },
     "auth_ref": []
    },
    "ing_RetailGermanyMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "RetailGermanyMember",
     "presentation": [
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Retail Germany",
        "label": "Retail Germany [member]",
        "documentation": "Retail Germany."
       }
      }
     },
     "auth_ref": []
    },
    "ing_RetailNetherlandsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "RetailNetherlandsMember",
     "presentation": [
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Retail Netherlands [Member]",
        "label": "Retail Netherlands [Member]",
        "documentation": "Retail Netherlands."
       }
      }
     },
     "auth_ref": []
    },
    "ing_RetailOtherMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "RetailOtherMember",
     "presentation": [
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Retail Other",
        "label": "Retail Other [Member]",
        "documentation": "Retail Other [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_RetainedEarnings": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RetainedEarnings",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_EquityAttributableToOwnersOfParent",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition",
      "http://www.ing.com/role/EquitySummaryofequityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Retained earnings",
        "label": "Retained earnings"
       }
      },
      "en": {
       "role": {
        "documentation": "A component of equity representing the entity's cumulative undistributed earnings or deficit."
       }
      }
     },
     "auth_ref": [
      "r362",
      "r366",
      "r367"
     ]
    },
    "ifrs-full_RetainedEarningsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RetainedEarningsMember",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofchangesinequity",
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Retained earnings",
        "label": "Retained earnings [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a component of equity representing an entity's cumulative undistributed earnings or deficit."
       }
      }
     },
     "auth_ref": [
      "r275",
      "r365"
     ]
    },
    "ing_RevaluationIncreaseDecreaseInvestmentsInAssociatesAndJointVentures": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "RevaluationIncreaseDecreaseInvestmentsInAssociatesAndJointVentures",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofchangesininvestmentsinassociatesandjointventuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Revaluations",
        "label": "Revaluation increase (decrease), Investments in associates and joint ventures",
        "documentation": "Revaluation increase (decrease), Investments in associates and joint ventures."
       }
      }
     },
     "auth_ref": []
    },
    "ing_RevaluationReservesCreditLiability": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "RevaluationReservesCreditLiability",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/EquitySummaryofequityDetails": {
       "parentTag": "ifrs-full_OtherReserves",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/EquitySummaryofequityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Revaluation reserve: Credit liability",
        "label": "Revaluation reserves credit liability",
        "documentation": "A component of equity representing the accumulated revaluation reserve on the revaluation of credit liability."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_Revenue": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "Revenue",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails": {
       "parentTag": "ifrs-full_ProfitLossBeforeTax",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total revenue",
        "label": "Revenue"
       }
      }
     },
     "auth_ref": [
      "r76",
      "r115",
      "r147",
      "r154",
      "r160",
      "r161",
      "r163",
      "r303",
      "r323",
      "r363",
      "r364"
     ]
    },
    "ifrs-full_RevenueFromInterest": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "RevenueFromInterest",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss": {
       "parentTag": "ifrs-full_InterestRevenueExpense",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss",
      "http://www.ing.com/role/NetinterestincomeSummaryofnetinterestincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Total interest income",
        "label": "Interest income"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of income arising from interest."
       }
      }
     },
     "auth_ref": [
      "r79",
      "r148",
      "r158",
      "r402"
     ]
    },
    "ifrs-full_ReversalOfImpairmentLossRecognisedInProfitOrLoss": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ReversalOfImpairmentLossRecognisedInProfitOrLoss",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeSummaryofchangesinfairvaluethroughothercomprehensiveincomefinancialassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Reversals of impairments",
        "label": "Reversal of impairment loss recognised in profit or loss"
       }
      }
     },
     "auth_ref": [
      "r28",
      "r30",
      "r205"
     ]
    },
    "ing_ReverseReposMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ReverseReposMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "(Reverse) repos",
        "label": "Reverse (Repos) [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_RiskManagementAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "RiskManagementAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Disclosure of credit risk exposure [abstract]",
        "label": "Risk Management [Abstract]",
        "documentation": "Risk Management [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_RiskWeightedAssets1": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "RiskWeightedAssets1",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Risk weighted assets",
        "label": "Risk weighted assets1",
        "documentation": "Risk weighted assets1"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_SalesFairValueMeasurementAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SalesFairValueMeasurementAssets",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Sale of assets",
        "label": "Sales, fair value measurement, assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The decrease in the fair value measurement of assets resulting from sales. [Refer: At fair value [member]]"
       }
      }
     },
     "auth_ref": [
      "r91"
     ]
    },
    "srt_ScenarioForecastMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "ScenarioForecastMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Forecast",
        "label": "Forecast [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ScenarioProbabilityWeighting": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ScenarioProbabilityWeighting",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Probability weighting",
        "label": "Scenario Probability Weighting",
        "documentation": "The scenario probability weighting, expressed as a percentage and normalised to equate to 100%. The methodology works such that the baseline (reflecting current consensus outlook) has the highest weight and the weights of adverse and favourable scenarios depend on the deviation from the baseline; the further from the baseline, the smaller the weight. The"
       }
      }
     },
     "auth_ref": []
    },
    "srt_ScenarioUnspecifiedDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "ScenarioUnspecifiedDomain",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Scenario [Domain]",
        "label": "Scenario [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ScheduleOfCustomerDepositsTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ScheduleOfCustomerDepositsTableTextBlock",
     "presentation": [
      "http://www.ing.com/role/CustomerdepositsTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Schedule of customer deposits",
        "label": "Schedule Of Customer Deposits [Table Text Block]",
        "documentation": "The disclosure of schedule of customer deposits."
       }
      }
     },
     "auth_ref": []
    },
    "srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Investment, Name [Axis]",
        "label": "Investment, Name [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_SecuritiesAtAmortisedCost": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "SecuritiesAtAmortisedCost",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails": {
       "parentTag": "ifrs-full_FinancialAssets",
       "weight": 1.0,
       "order": 3.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Securities at amortised cost",
        "label": "Securities at amortised cost",
        "documentation": "The amount of securities at amortised cost."
       }
      }
     },
     "auth_ref": []
    },
    "ing_SecuritiesBusinessFeeAndCommissionExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "SecuritiesBusinessFeeAndCommissionExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails": {
       "parentTag": "ifrs-full_FeeAndCommissionExpense",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Securities business",
        "label": "Securities Business Fee And Commission Expense",
        "documentation": "Securities business fee and commission expense."
       }
      }
     },
     "auth_ref": []
    },
    "ing_SecuritiesBusinessFeeAndCommissionIncome": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "SecuritiesBusinessFeeAndCommissionIncome",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails": {
       "parentTag": "ifrs-full_FeeAndCommissionIncome",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/NetfeeandcommissionincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Securities business",
        "label": "Securities Business Fee And Commission Income",
        "documentation": "Securities business fee and commission income."
       }
      }
     },
     "auth_ref": []
    },
    "ing_SecuritiesInReverseRepurchaseTransactionMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "SecuritiesInReverseRepurchaseTransactionMember",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughprofitorlossSummaryofexposuretoreverserepurchaseagreementsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Reverse repurchase transactions",
        "label": "Securities In Reverse Repurchase Transaction [Member]",
        "documentation": "Securities in reverse repurchase transaction."
       }
      }
     },
     "auth_ref": []
    },
    "srt_SegmentGeographicalDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "SegmentGeographicalDomain",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Geographical [Domain]",
        "label": "Geographical [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_SegmentsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SegmentsAxis",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Segments [axis]",
        "label": "Segments [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r31",
      "r99",
      "r152",
      "r169",
      "r310",
      "r334"
     ]
    },
    "ifrs-full_SegmentsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SegmentsDomain",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Segments [domain]",
        "label": "Segments [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for all segments of an entity. It also represents the standard value for the 'Segments' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r31",
      "r99",
      "r159",
      "r169",
      "r310",
      "r334"
     ]
    },
    "ing_SensitivityAnalysisForCreditRiskTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "SensitivityAnalysisForCreditRiskTableTextBlock",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Sensitivity analysis for credit risk",
        "label": "Sensitivity Analysis For Credit Risk [Table Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_SettlementsFairValueMeasurementAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SettlementsFairValueMeasurementAssets",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Maturity/settlement",
        "label": "Settlements, fair value measurement, assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The decrease in the fair value measurement of assets resulting from settlements. [Refer: At fair value [member]]"
       }
      }
     },
     "auth_ref": [
      "r91"
     ]
    },
    "ifrs-full_SettlementsFairValueMeasurementLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SettlementsFairValueMeasurementLiabilities",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialliabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Maturity/settlement",
        "label": "Settlements, fair value measurement, liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The decrease in the fair value measurement of liabilities resulting from settlements. [Refer: At fair value [member]]"
       }
      }
     },
     "auth_ref": [
      "r91"
     ]
    },
    "ing_ShareBuybackProgrammeAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ShareBuybackProgrammeAmount",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails",
      "http://www.ing.com/role/EquityScheduleofchangesintreasurysharesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Purchased under Share buyback programme",
        "negatedTerseLabel": "Purchased under Share buyback programme",
        "label": "Share Buyback Programme, Amount",
        "documentation": "Share Buyback Programme, Amount"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ShareBuybackProgrammeAuthorized": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ShareBuybackProgrammeAuthorized",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Share buyback programme authorized",
        "label": "Share Buyback Programme Authorized",
        "documentation": "Share Buyback Programme Authorized"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ShareBuybackProgrammeCancelledAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ShareBuybackProgrammeCancelledAmount",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/EquityScheduleofchangesintreasurysharesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Cancelled under Share buyback programme",
        "label": "Share Buyback Programme, Cancelled, Amount",
        "documentation": "Share Buyback Programme, Cancelled, Amount"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ShareBuybackProgrammeCancelledShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ShareBuybackProgrammeCancelledShares",
     "presentation": [
      "http://www.ing.com/role/EquityScheduleofchangesintreasurysharesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Cancelled under Share buyback programme (in shares)",
        "label": "Share Buyback Programme, Cancelled, Shares",
        "documentation": "Share Buyback Programme, Cancelled, Shares"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ShareBuybackProgrammeCommittment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ShareBuybackProgrammeCommittment",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofchangesinequity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Share buyback programmes, commitment",
        "label": "Share Buyback Programme, Committment",
        "documentation": "Share Buyback Programme, Committment"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ShareBuybackProgrammeShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ShareBuybackProgrammeShares",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails",
      "http://www.ing.com/role/EquityScheduleofchangesintreasurysharesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Share buyback programme (in shares)",
        "verboseLabel": "Purchased under Share buyback programme (in shares)",
        "label": "Share Buyback Programme, Shares",
        "documentation": "Share Buyback Programme, Shares"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ShareCapitalAndSharePremium": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ShareCapitalAndSharePremium",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_EquityAttributableToOwnersOfParent",
       "weight": 1.0,
       "order": 1.0
      },
      "http://www.ing.com/role/EquitySummaryofequityDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition",
      "http://www.ing.com/role/EquitySummaryofequityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Share capital and share premium",
        "totalLabel": "Total share capital and share premium",
        "label": "Share Capital And Share Premium",
        "documentation": "Share capital and share premium."
       }
      }
     },
     "auth_ref": []
    },
    "ing_ShareCapitalAndSharePremiumAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ShareCapitalAndSharePremiumAbstract",
     "presentation": [
      "http://www.ing.com/role/EquitySummaryofequityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Share capital and share premium",
        "label": "Share Capital and Share Premium [abstract]",
        "documentation": "Share Capital and Share Premium [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ShareOfAssociatesJointVentureAndOtherReservesIncludingNonDistributableProfitsFromAssociatesAndJointVentures": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ShareOfAssociatesJointVentureAndOtherReservesIncludingNonDistributableProfitsFromAssociatesAndJointVentures",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Share of associates, joint venture and other reserves",
        "label": "Share Of Associates, Joint Venture And Other Reserves Including Non-Distributable Profits From Associates and Joint Ventures",
        "documentation": "Share Of Associates, Joint Venture And Other Reserves Including Non-Distributable Profits From Associates and Joint Ventures"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ShareOfAssociatesJointVenturesAndOtherReservesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ShareOfAssociatesJointVenturesAndOtherReservesMember",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Share of associates, joint ventures and other reserves",
        "label": "Share of associates, joint ventures and other reserves [Member]",
        "documentation": "This member represents share of associates, joint ventures and other reserves."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresAdditionalinformationDetails",
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofchangesininvestmentsinassociatesandjointventuresDetails",
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Share of results",
        "verboseLabel": "\u2013 of which share of result from associates and joint ventures",
        "label": "Share of profit (loss) of associates and joint ventures accounted for using equity method"
       }
      }
     },
     "auth_ref": [
      "r150",
      "r158",
      "r304"
     ]
    },
    "ifrs-full_SharePremium": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SharePremium",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/EquitySummaryofequityDetails": {
       "parentTag": "ing_ShareCapitalAndSharePremium",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/EquitySummaryofequityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "-\u00a0\u00a0Share premium",
        "label": "Share premium"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount received or receivable from the issuance of the entity's shares in excess of nominal value."
       }
      }
     },
     "auth_ref": [
      "r362",
      "r366"
     ]
    },
    "srt_ShareRepurchaseProgramAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "ShareRepurchaseProgramAxis",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Share Repurchase Program [Axis]",
        "label": "Share Repurchase Program [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "srt_ShareRepurchaseProgramDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "ShareRepurchaseProgramDomain",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Share Repurchase Program [Domain]",
        "label": "Share Repurchase Program [Domain]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ShareRepurchaseProgramOneMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ShareRepurchaseProgramOneMember",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Share repurchase program one",
        "label": "Share Repurchase Program One [Member]",
        "documentation": "Share Repurchase Program One"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ShareRepurchaseProgramThreeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ShareRepurchaseProgramThreeMember",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Share repurchase program three",
        "label": "Share Repurchase Program Three [Member]",
        "documentation": "Share Repurchase Program Three"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ShareRepurchaseProgramTwoMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ShareRepurchaseProgramTwoMember",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Share repurchase program two",
        "label": "Share Repurchase Program Two [Member]",
        "documentation": "Share Repurchase Program Two"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ShareholderEquityInAccordanceWithEUIFRS": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ShareholderEquityInAccordanceWithEUIFRS",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodReconciliationshareholdersequityunderIFRSEUandIFRSIASBDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "In accordance with IFRS-EU (attributable to the shareholders of the parent)",
        "label": "Shareholder Equity in Accordance with EU IFRS",
        "documentation": "Shareholder Equity in Accordance with EU IFRS"
       }
      }
     },
     "auth_ref": []
    },
    "ing_SharesRepurchasedAveragePricePerShare": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "SharesRepurchasedAveragePricePerShare",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Shares repurchased, average price per share (in EUR per share)",
        "label": "Shares Repurchased, Average Price Per Share",
        "documentation": "Shares Repurchased, Average Price Per Share"
       }
      }
     },
     "auth_ref": []
    },
    "ing_SharesRepurchasedEffectivePricePerShare": {
     "xbrltype": "perShareItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "SharesRepurchasedEffectivePricePerShare",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Shares repurchased, effective price per share (in EUR per share)",
        "label": "Shares Repurchased, Effective Price Per Share",
        "documentation": "Shares Repurchased, Effective Price Per Share"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_SignificantInvestmentsInAssociatesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SignificantInvestmentsInAssociatesAxis",
     "presentation": [
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresAdditionalinformationDetails",
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofinvestmentsinassociatesandjointventuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Significant investments in associates [axis]",
        "label": "Associates [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r18",
      "r20",
      "r84",
      "r249"
     ]
    },
    "ifrs-full_SignificantInvestmentsInAssociatesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SignificantInvestmentsInAssociatesDomain",
     "presentation": [
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresAdditionalinformationDetails",
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofinvestmentsinassociatesandjointventuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Associates [domain]",
        "label": "Associates [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Associates' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r18",
      "r20",
      "r84",
      "r249"
     ]
    },
    "ifrs-full_SignificantInvestmentsInSubsidiariesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SignificantInvestmentsInSubsidiariesAxis",
     "presentation": [
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Subsidiaries [axis]",
        "label": "Subsidiaries [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r18",
      "r20",
      "r83",
      "r248"
     ]
    },
    "ifrs-full_SignificantInvestmentsInSubsidiariesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SignificantInvestmentsInSubsidiariesDomain",
     "presentation": [
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Subsidiaries [domain]",
        "label": "Subsidiaries [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the standard value for the 'Subsidiaries' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r18",
      "r20",
      "r83",
      "r248"
     ]
    },
    "ing_SignificantUnobservableInputs": {
     "xbrltype": "pureItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "SignificantUnobservableInputs",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Significant unobservable inputs, percentage",
        "label": "Significant Unobservable Inputs",
        "documentation": "Significant Unobservable Inputs"
       }
      }
     },
     "auth_ref": []
    },
    "ing_StageOneCreditImpairmentMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "StageOneCreditImpairmentMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails",
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Stage 1",
        "label": "Stage One Credit Impairment [Member]",
        "documentation": "The member stands for intial assessment of credit deterioration."
       }
      }
     },
     "auth_ref": []
    },
    "ing_StageThreeLifetimeExpectedCreditLossesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "StageThreeLifetimeExpectedCreditLossesMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails",
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Stage 3: Lifetime Expected Credit Losses",
        "label": "Stage 3: Lifetime Expected Credit Losses [member]",
        "documentation": "This member represents stage 3, lifetime expected credit losses."
       }
      }
     },
     "auth_ref": []
    },
    "ing_StageThreeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "StageThreeMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails",
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Stage 3",
        "label": "Stage Three [Member]",
        "documentation": "This member stands for assets assessed to have experienced a significant increase in credit risk for long term."
       }
      }
     },
     "auth_ref": []
    },
    "ing_StageTwoMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "StageTwoMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails",
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Stage 2",
        "label": "Stage Two [Member]",
        "documentation": "This member stands for assets assessed to have experienced a significant increase in credit risk since initial origination or purchase."
       }
      }
     },
     "auth_ref": []
    },
    "srt_StatementGeographicalAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "StatementGeographicalAxis",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Geographical [Axis]",
        "label": "Geographical [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_StatementOfCashFlowsAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "StatementOfCashFlowsAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Statement of cash flows [abstract]",
        "label": "Statement of cash flows [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_StatementOfChangesInEquityAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "StatementOfChangesInEquityAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Statement of changes in equity [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_StatementOfChangesInEquityLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "StatementOfChangesInEquityLineItems",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofchangesinequity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Statement [Line Items]",
        "label": "Statement of changes in equity [line items]"
       }
      },
      "en": {
       "role": {
        "documentation": "Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_StatementOfChangesInEquityTable": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "StatementOfChangesInEquityTable",
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofchangesinequity"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Statement [Table]",
        "label": "Statement of changes in equity [table]"
       }
      },
      "en": {
       "role": {
        "documentation": "Schedule disclosing information related to changes in equity."
       }
      }
     },
     "auth_ref": [
      "r275"
     ]
    },
    "ifrs-full_StatementOfComprehensiveIncomeAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "StatementOfComprehensiveIncomeAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Statement of comprehensive income [abstract]",
        "label": "Statement of comprehensive income [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_StatementOfFinancialPositionAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "StatementOfFinancialPositionAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Statement of financial position [abstract]",
        "label": "Statement of financial position [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "srt_StatementScenarioAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "http://fasb.org/srt/2025",
     "localname": "StatementScenarioAxis",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Scenario [Axis]",
        "label": "Scenario [Axis]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_StatutoryReserve": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "StatutoryReserve",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Statutory reserve",
        "label": "Statutory reserve"
       }
      },
      "en": {
       "role": {
        "documentation": "A component of equity representing reserves created based on legal requirements."
       }
      }
     },
     "auth_ref": [
      "r405"
     ]
    },
    "ifrs-full_StatutoryReserveMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "StatutoryReserveMember",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Statutory reserve",
        "label": "Statutory reserve [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for a component of equity representing reserves created based on legal requirements."
       }
      }
     },
     "auth_ref": [
      "r401"
     ]
    },
    "ing_StructuredNotesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "StructuredNotesMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Structured notes",
        "label": "Structured Notes [Member]",
        "documentation": "Structured notes."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_SubordinatedLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "SubordinatedLiabilities",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails": {
       "parentTag": "ifrs-full_FinancialLiabilities",
       "weight": 1.0,
       "order": 4.0
      },
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition": {
       "parentTag": "ifrs-full_Liabilities",
       "weight": 1.0,
       "order": 5.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementoffinancialposition",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatamortisedcostDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Subordinated loans",
        "label": "Subordinated liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of liabilities that are subordinate to other liabilities with respect to claims."
       }
      }
     },
     "auth_ref": [
      "r405"
     ]
    },
    "ing_SubordinatedLoansMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "SubordinatedLoansMember",
     "presentation": [
      "http://www.ing.com/role/ConsolidatedconsolidatedstatementofcashflowsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Subordinated loans",
        "label": "Subordinated Loans [Member]",
        "documentation": "Subordinated loans."
       }
      }
     },
     "auth_ref": []
    },
    "ing_SubsovereignSupranationalsAndAgenciesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "SubsovereignSupranationalsAndAgenciesMember",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesDebtsecuritiesbytypeandbalancesheetlinesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Sub-sovereign, Supranationals and Agencies",
        "label": "Sub-sovereign Supranationals and Agencies [Member]",
        "documentation": "Sub sovereign supranationals and agencies."
       }
      }
     },
     "auth_ref": []
    },
    "ing_SummaryOfChangesInFairValueThroughOtherComprehensiveIncomeFinancialAssetsTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "SummaryOfChangesInFairValueThroughOtherComprehensiveIncomeFinancialAssetsTableTextBlock",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Summary of changes in fair value through other comprehensive income financial assets",
        "label": "Summary of changes in fair value through other comprehensive income financial assets [Table Text Block]",
        "documentation": "Disclosure of changes in fair value through other comprehensive income financial assets."
       }
      }
     },
     "auth_ref": []
    },
    "ing_SummaryOfExposureToDebtSecuritiesTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "SummaryOfExposureToDebtSecuritiesTableTextBlock",
     "presentation": [
      "http://www.ing.com/role/DebtsecuritiesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Summary of exposure to debt securities",
        "label": "Summary of Exposure To Debt Securities [Table Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_SummaryOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "SummaryOfFinancialAssetsAtFairValueThroughOtherComprehensiveIncomeTableTextBlock",
     "presentation": [
      "http://www.ing.com/role/FinancialassetsatfairvaluethroughothercomprehensiveincomeTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Summary of financial assets at fair value through other comprehensive income",
        "label": "Summary of financial assets at fair value through other comprehensive income [Table Text Block]",
        "documentation": "Disclosure of detailed information about financial assets at fair value through other comprehensive income."
       }
      }
     },
     "auth_ref": []
    },
    "ing_SummaryOfValuationAdjustmentTableTableTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "SummaryOfValuationAdjustmentTableTableTextBlock",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesTables"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Summary of valuation adjustment",
        "label": "Summary of valuation adjustment table [Table Text Block]",
        "documentation": "Summary of valuation adjustment table"
       }
      }
     },
     "auth_ref": []
    },
    "ing_SupplementalCashFlowInformation1Abstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "SupplementalCashFlowInformation1Abstract",
     "presentation": [
      "http://www.ing.com/role/ConsolidatedconsolidatedstatementofcashflowsParenthetical"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Supplemental cash flow information",
        "label": "Supplemental Cash Flow Information1 [Abstract]",
        "documentation": "Supplemental Cash Flow Information1"
       }
      }
     },
     "auth_ref": []
    },
    "ing_SupplementaryCapitalTier2Bonds": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "SupplementaryCapitalTier2Bonds",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Supplementary capital Tier 2 bonds",
        "label": "Supplementary capital tier 2 bonds",
        "documentation": "Supplementary capital tier 2 bonds"
       }
      }
     },
     "auth_ref": []
    },
    "currency_THB": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/currency/2025",
     "localname": "THB",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Thailand, Baht",
        "label": "Thailand, Baht"
       }
      }
     },
     "auth_ref": []
    },
    "ing_TMBThanachartBankPublicCompanyLimitedMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "TMBThanachartBankPublicCompanyLimitedMember",
     "presentation": [
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresAdditionalinformationDetails",
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofinvestmentsinassociatesandjointventuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "TMBThanachart Bank Public Company Limited",
        "label": "TMBThanachart Bank Public Company Limited [Member]",
        "documentation": "TMBThanachart Bank Public Company Limited"
       }
      }
     },
     "auth_ref": []
    },
    "country_TR": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/country/2025",
     "localname": "TR",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Turkey",
        "label": "T\u00dcRKIYE"
       }
      }
     },
     "auth_ref": []
    },
    "currency_TRY": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/currency/2025",
     "localname": "TRY",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Turkey, New Lira",
        "label": "Turkey, New Lira"
       }
      }
     },
     "auth_ref": []
    },
    "ing_TaxEffectOfAdjustment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "TaxEffectOfAdjustment",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodReconciliationshareholdersequityunderIFRSEUandIFRSIASBDetails": {
       "parentTag": "ing_EffectOfEUIAS39CarveOutAdjustmentAfterTax",
       "weight": -1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/BasisofpreparationandsignificantchangesinthecurrentreportingperiodReconciliationshareholdersequityunderIFRSEUandIFRSIASBDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Tax effect of the adjustment",
        "label": "Tax Effect of Adjustment",
        "documentation": "Tax effect of adjustment."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_TaxExpenseOtherThanIncomeTaxExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TaxExpenseOtherThanIncomeTaxExpense",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails": {
       "parentTag": "ifrs-full_OtherExpenseByNature",
       "weight": 1.0,
       "order": 8.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/OtheroperatingexpensesSummaryofotheroperatingexpensesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Indirect taxes",
        "label": "Tax expense other than income tax expense"
       }
      }
     },
     "auth_ref": [
      "r407"
     ]
    },
    "ing_TierOneCapitalAmount": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "TierOneCapitalAmount",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "totalLabel": "Available Tier 1 capital",
        "label": "Tier One Capital Amount",
        "documentation": "Tier one capital amount."
       }
      }
     },
     "auth_ref": []
    },
    "ing_TierOneCapitalRatio": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "TierOneCapitalRatio",
     "presentation": [
      "http://www.ing.com/role/CapitalmanagementINGcapitalpositionDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Tier 1 ratio",
        "label": "Tier one capital ratio",
        "documentation": "Tier one capital ratio"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_TopOfRangeMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TopOfRangeMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Maximum",
        "label": "Top of range [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for top of a range."
       }
      }
     },
     "auth_ref": [
      "r59",
      "r98",
      "r104",
      "r106",
      "r183",
      "r327",
      "r329",
      "r391"
     ]
    },
    "ing_TotalECLCollectiveAssessment": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "TotalECLCollectiveAssessment",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Total ECL collective assessment",
        "label": "Total ECL Collective Assessment",
        "documentation": "Total ECL Collective Assessment"
       }
      }
     },
     "auth_ref": []
    },
    "ing_TotalEclCollectiveAssessmentForPerformingAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "TotalEclCollectiveAssessmentForPerformingAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Total ECL collective assessment for performing assets",
        "label": "Total ECL Collective-Assessment For Performing Assets",
        "documentation": "Total ECL Collective-Assessment For Performing Assets"
       }
      }
     },
     "auth_ref": []
    },
    "ing_TotalModelECL": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "TotalModelECL",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementManagementadjustmentsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Total model ECL",
        "label": "Total model ECL",
        "documentation": "Total model ECL"
       }
      }
     },
     "auth_ref": []
    },
    "ing_TotalOfModelReservesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "TotalOfModelReservesMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSummaryofvaluationadjustmentDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Total Valuation Adjustments",
        "label": "Total Of Model Reserves [Member]",
        "documentation": "Total Of Model Reserves"
       }
      }
     },
     "auth_ref": []
    },
    "ing_TradingAssetsMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "TradingAssetsMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Trading assets",
        "label": "Trading assets [member]",
        "documentation": "Trading assets."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_TradingIncomeExpense": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TradingIncomeExpense",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss": {
       "parentTag": "ifrs-full_ProfitLossFromOperatingActivities",
       "weight": 1.0,
       "order": 3.0
      },
      "http://www.ing.com/role/ValuationresultsandnettradingincomeSummaryofvaluationresultsandnettradingincomeDetails": {
       "parentTag": null,
       "weight": null,
       "order": null,
       "root": true
      }
     },
     "presentation": [
      "http://www.ing.com/role/Condensedconsolidatedstatementofprofitorloss",
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails",
      "http://www.ing.com/role/ValuationresultsandnettradingincomeSummaryofvaluationresultsandnettradingincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Valuation results and net trading income",
        "totalLabel": "Valuation results and net trading income",
        "verboseLabel": "\u2013 of which revaluations and trading income",
        "label": "Trading income (expense)"
       }
      }
     },
     "auth_ref": [
      "r407"
     ]
    },
    "ifrs-full_TradingIncomeExpenseOnDerivativeFinancialInstruments": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TradingIncomeExpenseOnDerivativeFinancialInstruments",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/ValuationresultsandnettradingincomeSummaryofvaluationresultsandnettradingincomeDetails": {
       "parentTag": "ifrs-full_TradingIncomeExpense",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/ValuationresultsandnettradingincomeSummaryofvaluationresultsandnettradingincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Derivatives trading results",
        "label": "Trading income (expense) on derivative financial instruments"
       }
      }
     },
     "auth_ref": [
      "r402"
     ]
    },
    "ifrs-full_TradingIncomeExpenseOnForeignExchangeContracts": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TradingIncomeExpenseOnForeignExchangeContracts",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/ValuationresultsandnettradingincomeSummaryofvaluationresultsandnettradingincomeDetails": {
       "parentTag": "ifrs-full_TradingIncomeExpense",
       "weight": 1.0,
       "order": 7.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/ValuationresultsandnettradingincomeSummaryofvaluationresultsandnettradingincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Foreign exchange transactions results",
        "label": "Trading income (expense) on foreign exchange contracts"
       }
      }
     },
     "auth_ref": [
      "r402"
     ]
    },
    "ing_TradingIncomeExpenseOnSecurities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "TradingIncomeExpenseOnSecurities",
     "crdr": "credit",
     "calculation": {
      "http://www.ing.com/role/ValuationresultsandnettradingincomeSummaryofvaluationresultsandnettradingincomeDetails": {
       "parentTag": "ifrs-full_TradingIncomeExpense",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/ValuationresultsandnettradingincomeSummaryofvaluationresultsandnettradingincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Securities trading results",
        "label": "Trading income (expense) on securities",
        "documentation": "Trading income (expense) on securities."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_TradingSecuritiesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TradingSecuritiesMember",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesAdditionalinformationDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesMethodsappliedindeterminingfairvaluesoffinancialassetsandliabilitiescarriedatfairvalueDetails",
      "http://www.ing.com/role/ValuationresultsandnettradingincomeAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "verboseLabel": "Trading securities",
        "terseLabel": "\u2013\u00a0 Trading securities",
        "label": "Trading securities [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for financial instruments that (a) are acquired or incurred principally for the purpose of selling or repurchasing it in the near term; or (b) on initial recognition are part of a portfolio of identified financial instruments that are managed together and for which there is evidence of a recent actual pattern of short-term profit-taking. [Refer: Classes of financial instruments [domain]]"
       }
      }
     },
     "auth_ref": [
      "r345",
      "r348"
     ]
    },
    "ing_TransferToAndFromInvestmentsOtherAssetsAndLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "TransferToAndFromInvestmentsOtherAssetsAndLiabilities",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/InvestmentinassociatesandjointventuresSummaryofchangesininvestmentsinassociatesandjointventuresDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Transfers",
        "label": "Transfer to and from Investments other assets and liabilities",
        "documentation": "Transfer to and from Investments other assets and liabilities."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_TransfersIntoLevel3OfFairValueHierarchyLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TransfersIntoLevel3OfFairValueHierarchyLiabilities",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialliabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Transfers into Level 3",
        "label": "Transfers into Level 3 of fair value hierarchy, liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of transfers of liabilities into Level 3 of the fair value hierarchy. [Refer: Level 3 of fair value hierarchy [member]]"
       }
      }
     },
     "auth_ref": [
      "r92"
     ]
    },
    "ing_TransfersIntoLevel3OfFairValueHierarchyNetOfDiscontinuedOperationsNettingAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "TransfersIntoLevel3OfFairValueHierarchyNetOfDiscontinuedOperationsNettingAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Transfers into Level 3",
        "label": "Transfers Into Level 3 Of Fair Value Hierarchy, Net Of Discontinued Operations Netting, Assets",
        "documentation": "Transfers Into Level 3 Of Fair Value Hierarchy, Net Of Discontinued Operations Netting, Assets"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TransfersOutOfLevel1IntoLevel2OfFairValueHierarchyAssets",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Transfers out of Level 1 into Level 2 of fair value hierarchy, assets held at end of reporting period",
        "label": "Transfers out of Level 1 into Level 2 of fair value hierarchy, assets held at end of reporting period"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of transfers out of Level 1 and into Level 2 of the fair value hierarchy of assets held at the end of the reporting period. [Refer: Level 1 of fair value hierarchy [member]; Level 2 of fair value hierarchy [member]]"
       }
      }
     },
     "auth_ref": [
      "r87"
     ]
    },
    "ifrs-full_TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyAssets",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Transfers out of Level 2 into Level 1 of fair value hierarchy, assets held at end of reporting period",
        "label": "Transfers out of Level 2 into Level 1 of fair value hierarchy, assets held at end of reporting period"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of transfers out of Level 2 and into Level 1 of the fair value hierarchy of assets held at the end of the reporting period. [Refer: Level 1 of fair value hierarchy [member]; Level 2 of fair value hierarchy [member]]"
       }
      }
     },
     "auth_ref": [
      "r87"
     ]
    },
    "ifrs-full_TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TransfersOutOfLevel2IntoLevel1OfFairValueHierarchyLiabilities",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Transfers out of Level 2 into Level 1 of fair value hierarchy, liabilities held at end of reporting period",
        "label": "Transfers out of Level 2 into Level 1 of fair value hierarchy, liabilities held at end of reporting period"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of transfers out of Level 2 and into Level 1 of the fair value hierarchy of liabilities held at the end of the reporting period. [Refer: Level 1 of fair value hierarchy [member]; Level 2 of fair value hierarchy [member]]"
       }
      }
     },
     "auth_ref": [
      "r87"
     ]
    },
    "ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TransfersOutOfLevel3OfFairValueHierarchyAssets",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialassetsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedTerseLabel": "Transfers out of Level 3",
        "label": "Transfers out of Level 3 of fair value hierarchy, assets"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of transfers of assets out of Level 3 of the fair value hierarchy. [Refer: Level 3 of fair value hierarchy [member]]"
       }
      }
     },
     "auth_ref": [
      "r92"
     ]
    },
    "ifrs-full_TransfersOutOfLevel3OfFairValueHierarchyLiabilities": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TransfersOutOfLevel3OfFairValueHierarchyLiabilities",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesChangesinlevel3financialliabilitiesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Transfers out of Level 3",
        "label": "Transfers out of Level 3 of fair value hierarchy, liabilities"
       }
      },
      "en": {
       "role": {
        "documentation": "The amount of transfers of liabilities out of Level 3 of the fair value hierarchy. [Refer: Level 3 of fair value hierarchy [member]]"
       }
      }
     },
     "auth_ref": [
      "r92"
     ]
    },
    "ing_TreasuryBillsAndOtherEligibleBills": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "TreasuryBillsAndOtherEligibleBills",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows": {
       "parentTag": "ifrs-full_CashAndCashEquivalents",
       "weight": 1.0,
       "order": 2.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/Consolidatedconsolidatedstatementofcashflows"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Treasury bills and other eligible bills included in securities at AC",
        "label": "Treasury Bills And Other Eligible Bills",
        "documentation": "Treasury Bills And Other Eligible Bills"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_TreasuryShares": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TreasuryShares",
     "crdr": "debit",
     "calculation": {
      "http://www.ing.com/role/EquitySummaryofequityDetails": {
       "parentTag": "ifrs-full_OtherReserves",
       "weight": -1.0,
       "order": 4.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/EquityScheduleofchangesintreasurysharesDetails",
      "http://www.ing.com/role/EquitySummaryofequityDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "negatedLabel": "Treasury shares",
        "negatedPeriodStartLabel": "Opening balance",
        "negatedPeriodEndLabel": "Closing balance",
        "label": "Treasury shares"
       }
      },
      "en": {
       "role": {
        "documentation": "An entity\u2019s own equity instruments, held by the entity or other members of the consolidated group."
       }
      }
     },
     "auth_ref": [
      "r21",
      "r362",
      "r366"
     ]
    },
    "ifrs-full_TreasurySharesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TreasurySharesMember",
     "presentation": [
      "http://www.ing.com/role/EquityScheduleofchangesintreasurysharesDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Treasury shares",
        "label": "Treasury shares [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the entity\u2019s own equity instruments, held by the entity or other members of the consolidated group."
       }
      }
     },
     "auth_ref": [
      "r275"
     ]
    },
    "ifrs-full_TwelvemonthExpectedCreditLossesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TwelvemonthExpectedCreditLossesMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "12-month expected credit losses",
        "label": "12-month expected credit losses [member]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for the portion of lifetime expected credit losses that represent the expected credit losses that result from default events on a financial instrument that are possible within the 12 months after the reporting date. [Refer: Type of measurement of expected credit losses [domain]; Lifetime expected credit losses [member]]"
       }
      }
     },
     "auth_ref": [
      "r126",
      "r132",
      "r238",
      "r244"
     ]
    },
    "ifrs-full_TypeOfMeasurementOfExpectedCreditLossesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TypeOfMeasurementOfExpectedCreditLossesAxis",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails",
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails",
      "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Type of measurement of expected credit losses [axis]",
        "label": "Type of measurement of expected credit losses [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r129",
      "r135",
      "r241",
      "r247"
     ]
    },
    "ifrs-full_TypeOfMeasurementOfExpectedCreditLossesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TypeOfMeasurementOfExpectedCreditLossesDomain",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementChangesingrosscarryingamountsandloanlossprovisionsDetails",
      "http://www.ing.com/role/RiskmanagementGrosscarryingamountperIFRS9stageandratingclassDetails",
      "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Type of measurement of expected credit losses [domain]",
        "label": "Type of measurement of expected credit losses [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for all types of measurement of expected credit losses. Expected credit losses are the weighted average of credit losses with the respective risks of a default occurring as the weights. This member also represents the standard value for the 'Type of measurement of expected credit losses' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r129",
      "r135",
      "r241",
      "r247"
     ]
    },
    "ifrs-full_TypesOfHedgesAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TypesOfHedgesAxis",
     "presentation": [
      "http://www.ing.com/role/ValuationresultsandnettradingincomeSummaryofvaluationresultsandnettradingincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Types of hedges [axis]",
        "label": "Types of hedges [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r119",
      "r120",
      "r121",
      "r235",
      "r236",
      "r237"
     ]
    },
    "ifrs-full_TypesOfHedgesDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "TypesOfHedgesDomain",
     "presentation": [
      "http://www.ing.com/role/ValuationresultsandnettradingincomeSummaryofvaluationresultsandnettradingincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Types of hedges [domain]",
        "label": "Types of hedges [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for all types of hedges. It also represents the standard value for the 'Types of hedges' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r119",
      "r120",
      "r121",
      "r235",
      "r236",
      "r237"
     ]
    },
    "country_US": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/country/2025",
     "localname": "US",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "UNITED STATES",
        "label": "UNITED STATES"
       }
      }
     },
     "auth_ref": []
    },
    "currency_USD": {
     "xbrltype": "domainItemType",
     "nsuri": "http://xbrl.sec.gov/currency/2025",
     "localname": "USD",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "United States of America, Dollars",
        "label": "United States of America, Dollars"
       }
      }
     },
     "auth_ref": []
    },
    "ing_UnemploymentEconomicCoreVariableMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "UnemploymentEconomicCoreVariableMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Unemployment",
        "label": "Unemployment Economic Core Variable [Member]",
        "documentation": "This member stands for unemployment, a key historic macroeconomic core variable. The unemployment is compared against the forecast paths of the probability weights for each scenario, demonstrating the lowest point in the Upside scenarios; 5 year average in Baseline; highest point in Downside scenarios."
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_UnobservableInputsAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "UnobservableInputsAxis",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Unobservable inputs [axis]",
        "label": "Unobservable inputs [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r88",
      "r388"
     ]
    },
    "ifrs-full_UnobservableInputsDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "UnobservableInputsDomain",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Unobservable inputs [domain]",
        "label": "Unobservable inputs [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for all the unobservable inputs. It also represents the standard value for the 'Unobservable inputs' axis if no other member is used."
       }
      }
     },
     "auth_ref": [
      "r88",
      "r388"
     ]
    },
    "ing_UnrealisedRevaluationsAndExchangeRateDifferencesMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "UnrealisedRevaluationsAndExchangeRateDifferencesMember",
     "presentation": [
      "http://www.ing.com/role/EquityAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Unrealised revaluations and exchange rate differences",
        "label": "Unrealised Revaluations And Exchange Rate Differences [Member]",
        "documentation": "Unrealised Revaluations And Exchange Rate Differences"
       }
      }
     },
     "auth_ref": []
    },
    "ing_UnweightedEclForAllCollectiveProvisionedClientsInBaselineScenario": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "UnweightedEclForAllCollectiveProvisionedClientsInBaselineScenario",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Unweighted ECL for all collective provisioned clients in baseline scenario",
        "label": "Unweighted ECL For All Collective Provisioned Clients In Baseline Scenario",
        "documentation": "Unweighted ECL For All Collective Provisioned Clients In Baseline Scenario"
       }
      }
     },
     "auth_ref": []
    },
    "ing_UnweightedEclForAllCollectiveProvisionedClientsInDownScenario": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "UnweightedEclForAllCollectiveProvisionedClientsInDownScenario",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Unweighted ECL for all collective provisioned clients in down scenario",
        "label": "Unweighted ECL For All Collective Provisioned Clients In Down Scenario",
        "documentation": "Unweighted ECL For All Collective Provisioned Clients In Down Scenario"
       }
      }
     },
     "auth_ref": []
    },
    "ing_UnweightedEclForAllCollectiveProvisionedClientsInUpsideScenario": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "UnweightedEclForAllCollectiveProvisionedClientsInUpsideScenario",
     "crdr": "credit",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Unweighted ECL for all collective provisioned clients in upside scenario",
        "label": "Unweighted ECL For All Collective Provisioned Clients In Upside Scenario",
        "documentation": "Unweighted ECL For All Collective Provisioned Clients In Upside Scenario"
       }
      }
     },
     "auth_ref": []
    },
    "ing_UpsideScenarioMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "UpsideScenarioMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Upside scenario",
        "label": "Upside Scenario [Member]",
        "documentation": "The upside scenario refers to tThe favourable scenarios are calibrated to be symmetric to the adverse scenarios, subject to a ceiling calibrated to relevant recent favourable benchmark scenarios."
       }
      }
     },
     "auth_ref": []
    },
    "ing_ValuationResultsAndNetTradingIncomeAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ValuationResultsAndNetTradingIncomeAbstract",
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Valuation Results and Net Trading Income [Abstract]",
        "label": "Valuation Results and Net Trading Income [Abstract]",
        "documentation": "Valuation results and net trading income."
       }
      }
     },
     "auth_ref": []
    },
    "ing_ValuationResultsAndNetTradingIncomeLineItems": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ValuationResultsAndNetTradingIncomeLineItems",
     "presentation": [
      "http://www.ing.com/role/ValuationresultsandnettradingincomeAdditionalinformationDetails",
      "http://www.ing.com/role/ValuationresultsandnettradingincomeSummaryofvaluationresultsandnettradingincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Valuation Results And Net Trading Income [Line Items]",
        "label": "Valuation Results And Net Trading Income [Line Items]",
        "documentation": "Valuation Results And Net Trading Income [Line Items]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_ValuationResultsAndNetTradingIncomeTable": {
     "xbrltype": "stringItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ValuationResultsAndNetTradingIncomeTable",
     "presentation": [
      "http://www.ing.com/role/ValuationresultsandnettradingincomeAdditionalinformationDetails",
      "http://www.ing.com/role/ValuationresultsandnettradingincomeSummaryofvaluationresultsandnettradingincomeDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Valuation Results and Net Trading Income [Table]",
        "label": "Valuation Results And Net Trading Income [Table]",
        "documentation": "Valuation result and net trading income."
       }
      }
     },
     "auth_ref": []
    },
    "ing_ValuationResultsAndNetTradingIncomeTextBlock": {
     "xbrltype": "textBlockItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ValuationResultsAndNetTradingIncomeTextBlock",
     "presentation": [
      "http://www.ing.com/role/Valuationresultsandnettradingincome"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Valuation results and net trading income",
        "label": "Valuation Results And Net Trading Income [Text Block]"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_ValuationTechniquesUsedInFairValueMeasurementAxis": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ValuationTechniquesUsedInFairValueMeasurementAxis",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSummaryofvaluationadjustmentDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Valuation techniques used in fair value measurement [axis]",
        "label": "Valuation techniques used in fair value measurement [axis]"
       }
      },
      "en": {
       "role": {
        "documentation": "The axis of a table defines the relationship between the members in the table and the line items or concepts that complete the table."
       }
      }
     },
     "auth_ref": [
      "r88"
     ]
    },
    "ifrs-full_ValuationTechniquesUsedInFairValueMeasurementDomain": {
     "xbrltype": "domainItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ValuationTechniquesUsedInFairValueMeasurementDomain",
     "presentation": [
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesSummaryofvaluationadjustmentDetails",
      "http://www.ing.com/role/FairvalueofassetsandliabilitiesValuationtechniquesandrangeofunobservableinputsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Valuation techniques used in fair value measurement [domain]",
        "label": "Valuation techniques used in fair value measurement [domain]"
       }
      },
      "en": {
       "role": {
        "documentation": "This member stands for valuation techniques used by the entity to measure fair value. It also represents the standard value for the 'Valuation techniques used in fair value measurement' axis if no other member is used. [Refer: At fair value [member]]"
       }
      }
     },
     "auth_ref": [
      "r88"
     ]
    },
    "ifrs-full_ValueAtRisk": {
     "xbrltype": "monetaryItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "ValueAtRisk",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementSensitivityanalysisDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Reportable ECL",
        "label": "Value at risk"
       }
      },
      "en": {
       "role": {
        "documentation": "The measure of a potential loss exposure as a result of future market movements, based on a specified confidence interval and measurement horizon."
       }
      }
     },
     "auth_ref": [
      "r390"
     ]
    },
    "ing_ValueOfClientInvestedAssets": {
     "xbrltype": "monetaryItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "ValueOfClientInvestedAssets",
     "crdr": "debit",
     "presentation": [
      "http://www.ing.com/role/SubsequenteventsDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Value of Client Invested Assets",
        "label": "Value of Client Invested Assets",
        "documentation": "Value of Client Invested Assets"
       }
      }
     },
     "auth_ref": []
    },
    "ifrs-full_WeightedAverageShares": {
     "xbrltype": "sharesItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageShares",
     "calculation": {
      "http://www.ing.com/role/EarningsperordinaryshareDetails": {
       "parentTag": "ifrs-full_AdjustedWeightedAverageShares",
       "weight": 1.0,
       "order": 1.0
      }
     },
     "presentation": [
      "http://www.ing.com/role/EarningsperordinaryshareDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Basic earnings (in shares)",
        "label": "Weighted average number of ordinary shares used in calculating basic earnings per share"
       }
      },
      "en": {
       "role": {
        "documentation": "The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor."
       }
      }
     },
     "auth_ref": [
      "r25"
     ]
    },
    "ifrs-full_WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "https://xbrl.ifrs.org/taxonomy/2025-03-27/ifrs-full",
     "localname": "WeightedAverageSharesAndAdjustedWeightedAverageSharesAbstract",
     "presentation": [
      "http://www.ing.com/role/EarningsperordinaryshareDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Weighted average number of ordinary shares outstanding during the period",
        "label": "Weighted average ordinary shares used in calculating basic and diluted earnings per share [abstract]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_WholesaleBankingAndRetailBankingMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "WholesaleBankingAndRetailBankingMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Wholesale Banking and Retail Banking",
        "label": "Wholesale Banking and Retail Banking [Member]",
        "documentation": "Wholesale Banking and Retail Banking"
       }
      }
     },
     "auth_ref": []
    },
    "ing_WholesaleBankingMember": {
     "xbrltype": "domainItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "WholesaleBankingMember",
     "presentation": [
      "http://www.ing.com/role/RiskmanagementAdditionalinformationDetails",
      "http://www.ing.com/role/SegmentsScheduleofINGGrouptotalDetails",
      "http://www.ing.com/role/SegmentsSummaryofsegmentsbankingDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Wholesale Banking",
        "label": "Wholesale Banking [Member]"
       }
      }
     },
     "auth_ref": []
    },
    "ing_WithholdingTaxOnDividendsPaid": {
     "xbrltype": "percentItemType",
     "nsuri": "http://www.ing.com/20260630",
     "localname": "WithholdingTaxOnDividendsPaid",
     "presentation": [
      "http://www.ing.com/role/DividendperordinaryshareAdditionalinformationDetails"
     ],
     "lang": {
      "en-us": {
       "role": {
        "terseLabel": "Withholding tax on dividends paid, ordinary shares",
        "label": "Withholding Tax On Dividends Paid",
        "documentation": "Withholding tax on dividends paid related to ordinary shares."
       }
      }
     },
     "auth_ref": []
    }
   }
  }
 },
 "std_ref": {
  "r0": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "10",
   "IssueDate": "2025-01-01",
   "Paragraph": "13",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=10&code=ifrs-tx-2025-en-r&anchor=para_13&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r1": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "10",
   "IssueDate": "2025-01-01",
   "Paragraph": "21",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=10&code=ifrs-tx-2025-en-r&anchor=para_21&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r2": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "10",
   "IssueDate": "2025-01-01",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=10&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IAS10_g17-22_TI",
   "URIDate": "2025-03-27"
  },
  "r3": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_79&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r4": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "81",
   "Subparagraph": "c",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_81_c_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r5": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "81",
   "Subparagraph": "c",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_81_c_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r6": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "81",
   "Subparagraph": "g",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2025-en-r&anchor=para_81_g_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r7": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r8": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r9": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "75",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_75_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r10": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "142",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_142&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r11": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "21",
   "IssueDate": "2025-01-01",
   "Paragraph": "52",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=21&code=ifrs-tx-2025-en-r&anchor=para_52_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r12": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "24",
   "IssueDate": "2025-01-01",
   "Paragraph": "19",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2025-en-r&anchor=para_19_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r13": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "24",
   "IssueDate": "2025-01-01",
   "Paragraph": "19",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2025-en-r&anchor=para_19&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r14": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "26",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "Subparagraph": "b",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=26&code=ifrs-tx-2025-en-r&anchor=para_35_b_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r15": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "26",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "Subparagraph": "b",
   "Clause": "viii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=26&code=ifrs-tx-2025-en-r&anchor=para_35_b_viii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r16": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "27",
   "IssueDate": "2025-01-01",
   "Paragraph": "10",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2025-en-r&anchor=para_10&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r17": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "27",
   "IssueDate": "2025-01-01",
   "Paragraph": "16",
   "Subparagraph": "b",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2025-en-r&anchor=para_16_b_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r18": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "27",
   "IssueDate": "2025-01-01",
   "Paragraph": "16",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2025-en-r&anchor=para_16_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r19": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "27",
   "IssueDate": "2025-01-01",
   "Paragraph": "17",
   "Subparagraph": "b",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2025-en-r&anchor=para_17_b_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r20": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "27",
   "IssueDate": "2025-01-01",
   "Paragraph": "17",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2025-en-r&anchor=para_17_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r21": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "32",
   "IssueDate": "2025-01-01",
   "Paragraph": "34",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=32&code=ifrs-tx-2025-en-r&anchor=para_34&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r22": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "33",
   "IssueDate": "2025-01-01",
   "Paragraph": "66",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2025-en-r&anchor=para_66&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r23": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "33",
   "IssueDate": "2025-01-01",
   "Paragraph": "67",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2025-en-r&anchor=para_67&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r24": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "33",
   "IssueDate": "2025-01-01",
   "Paragraph": "70",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2025-en-r&anchor=para_70_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r25": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "33",
   "IssueDate": "2025-01-01",
   "Paragraph": "70",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2025-en-r&anchor=para_70_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r26": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "33",
   "IssueDate": "2025-01-01",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=33&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IAS33_g70-73A_TI",
   "URIDate": "2025-03-27"
  },
  "r27": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "34",
   "IssueDate": "2025-01-01",
   "Paragraph": "16A",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=34&code=ifrs-tx-2025-en-r&anchor=para_16A_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r28": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "126",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_126_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r29": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "126",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_126&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r30": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "129",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_129_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r31": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "130",
   "Subparagraph": "d",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_130_d_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r32": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "130",
   "Subparagraph": "f",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_130_f_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r33": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "134",
   "Subparagraph": "e",
   "Clause": "iiA",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_134_e_iiA&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r34": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "37",
   "IssueDate": "2025-01-01",
   "Paragraph": "84",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2025-en-r&anchor=para_84&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r35": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "118",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r36": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "118",
   "Subparagraph": "e",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118_e_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r37": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "118",
   "Subparagraph": "e",
   "Clause": "vi",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118_e_vi&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r38": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "118",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r39": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "118",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r40": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IAS38_g118-128_TI",
   "URIDate": "2025-03-27"
  },
  "r41": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "39",
   "IssueDate": "2025-01-01",
   "Paragraph": "86",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=39&code=ifrs-tx-2025-en-r&anchor=para_86_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r42": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "39",
   "IssueDate": "2025-01-01",
   "Paragraph": "86",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=39&code=ifrs-tx-2025-en-r&anchor=para_86_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r43": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "32A",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_32A&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r44": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "76",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_76&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r45": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_79_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r46": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_79_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r47": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "41",
   "IssueDate": "2025-01-01",
   "Paragraph": "50",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=41&code=ifrs-tx-2025-en-r&anchor=para_50&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r48": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "41",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=41&code=ifrs-tx-2025-en-r&anchor=para_54_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r49": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "10",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_10&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r50": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "25",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_25&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r51": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_28&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r52": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_31&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r53": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "39",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_39&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r54": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "40",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_40_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r55": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "44B",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_44B_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r56": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "44B",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_44B_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r57": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "44B",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_44B_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r58": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "44B",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_44B_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r59": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "44H",
   "Subparagraph": "b",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_44H_b_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r60": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_45&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r61": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "50",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_50_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r62": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "f",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28_f_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r63": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r64": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "29",
   "Subparagraph": "c",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=8&code=ifrs-tx-2025-en-r&anchor=para_29_c_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r65": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "30",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=8&code=ifrs-tx-2025-en-r&anchor=para_30_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r66": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IAS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "49",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=8&code=ifrs-tx-2025-en-r&anchor=para_49_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r67": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "24",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2025-en-r&anchor=para_24_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r68": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "24",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2025-en-r&anchor=para_24_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r69": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "32",
   "Subparagraph": "a",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2025-en-r&anchor=para_32_a_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r70": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "32",
   "Subparagraph": "a",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=1&code=ifrs-tx-2025-en-r&anchor=para_32_a_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r71": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "10",
   "IssueDate": "2025-01-01",
   "Paragraph": "22",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=10&code=ifrs-tx-2025-en-r&anchor=para_22&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r72": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "12",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_12_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r73": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "12",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_12_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r74": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "21",
   "Subparagraph": "a",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_21_a_iv&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r75": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "Clause": "ix",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B12_b_ix&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r76": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "Clause": "v",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B12_b_v&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r77": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B12",
   "Subparagraph": "b",
   "Clause": "viii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B12_b_viii&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r78": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B13",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B13_a&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r79": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B13",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B13_e&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r80": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B13",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B13_f&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r81": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B13",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B13_g&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r82": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B16",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B16&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r83": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B4",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B4_a&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r84": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B4",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B4_d&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r85": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r86": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r87": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r88": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r89": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "e",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_e_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r90": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "e",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_e_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r91": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "e",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_e_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r92": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "e",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_e_iv&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r93": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r94": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r95": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r96": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "97",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_97&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r97": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IFRS13_g91-99_TI",
   "URIDate": "2025-03-27"
  },
  "r98": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "14",
   "IssueDate": "2025-01-01",
   "Paragraph": "33",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=14&code=ifrs-tx-2025-en-r&anchor=para_33_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r99": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "15",
   "IssueDate": "2025-01-01",
   "Paragraph": "115",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2025-en-r&anchor=para_115&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r100": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "47",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_47_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r101": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "53",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_53_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r102": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "53",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2025-en-r&anchor=para_53&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r103": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "113",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_113_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r104": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "120",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_120&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r105": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "C32",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_C32&doctype=Appendix&subtype=C",
   "URIDate": "2025-03-27"
  },
  "r106": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "2",
   "IssueDate": "2025-01-01",
   "Paragraph": "45",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r107": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_c&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r108": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "Subparagraph": "p",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_p_i&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r109": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "Subparagraph": "p",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_p_ii&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r110": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r111": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B67",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B67_d&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r112": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B67",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B67&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r113": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Section": "Disclosures",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IFRS03_g59-63_TI",
   "URIDate": "2025-03-27"
  },
  "r114": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Section": "Disclosures application of paragraphs 59 and 61",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&doctype=Appendix&subtype=B&dita_xref=IFRS03_gB64-B67_TI",
   "URIDate": "2025-03-27"
  },
  "r115": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "5",
   "IssueDate": "2025-01-01",
   "Paragraph": "33",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2025-en-r&anchor=para_33_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r116": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "11A",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_11A_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r117": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "11A",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_11A_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r118": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "20",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_20_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r119": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "24A",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_24A&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r120": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "24B",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_24B&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r121": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "24C",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_24C&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r122": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "25",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_25&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r123": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "31",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_31&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r124": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "33",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_33&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r125": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "34",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_34&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r126": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35H",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35H_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r127": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35H",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35H_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r128": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35H",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35H_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r129": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35H",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35H&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r130": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35I",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35I&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r131": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35K",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35K&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r132": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35M",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35M_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r133": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35M",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35M_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r134": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35M",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35M_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r135": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35M",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35M&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r136": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "36",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_36&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r137": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "42I",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_42I&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r138": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "6",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_6&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r139": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "7",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_7&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r140": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "8",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_8_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r141": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "8",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_8_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r142": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "8",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_8_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r143": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "8",
   "Subparagraph": "h",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_8_h&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r144": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "8",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_8&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r145": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "B2",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_B2_a&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r146": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "B8E",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_B8E&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r147": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "23",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_23_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r148": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "23",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_23_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r149": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "23",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_23_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r150": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "23",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_23_g&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r151": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "23",
   "Subparagraph": "h",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_23_h&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r152": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "23",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_23&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r153": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "24",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_24_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r154": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r155": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r156": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r157": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r158": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r159": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r160": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "32",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_32&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r161": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "33",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_33_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r162": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "33",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_33&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r163": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "34",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_34&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r164": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Section": "Disclosure",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&doctype=Standard&dita_xref=IFRS08_g20-24_TI",
   "URIDate": "2025-03-27"
  },
  "r165": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "9",
   "IssueDate": "2025-01-01",
   "Paragraph": "6.5.11",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2025-en-r&anchor=para_6.5.11&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r166": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "9",
   "IssueDate": "2025-01-01",
   "Paragraph": "7.2.34",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2025-en-r&anchor=para_7.2.34&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r167": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Name": "IFRS",
   "Number": "9",
   "IssueDate": "2025-01-01",
   "Paragraph": "7.2.42",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2025-en-r&anchor=para_7.2.42&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r168": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2026-01-01",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "20B",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_20B&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r169": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "104",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_104&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r170": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "115",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_115_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r171": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "115",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_115&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r172": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "133",
   "Subparagraph": "a",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_133_a_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r173": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "138",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_138&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r174": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "160",
   "Subparagraph": "a",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_160_a_iv&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r175": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "160",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_160_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r176": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "160",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_160&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r177": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "162",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_162_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r178": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "166",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_166_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r179": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "166",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_166_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r180": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "166",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_166_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r181": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "166",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_166_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r182": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "166",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_166&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r183": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "168",
   "Subparagraph": "b",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_168_b_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r184": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "169",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_169&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r185": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "173",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_173_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r186": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "176",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_176&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r187": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "178",
   "Subparagraph": "f",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_178_f_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r188": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "178",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_178&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r189": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "179",
   "Subparagraph": "c",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_179_c_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r190": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "180",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_180_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r191": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "186",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_186_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r192": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "190",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_190&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r193": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "192",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_192&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r194": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "194",
   "Subparagraph": "c",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_194_c_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r195": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "194",
   "Subparagraph": "c",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_194_c_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r196": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "194",
   "Subparagraph": "f",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_194_f_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r197": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "200",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r198": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "200",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_200_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r199": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "218",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_218_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r200": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "231",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_231_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r201": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "231",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_231&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r202": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "24",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_24_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r203": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "24",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_24_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r204": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "246",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_246_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r205": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "250",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_250_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r206": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "250",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_250&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r207": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "254",
   "Subparagraph": "e",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_254_e_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r208": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "257",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_257&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r209": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "263",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_263_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r210": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "263",
   "Subparagraph": "e",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_263_e_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r211": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "263",
   "Subparagraph": "e",
   "Clause": "vi",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_263_e_vi&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r212": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "263",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_263_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r213": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "263",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_263&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r214": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "269",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_269&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r215": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "271",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_271_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r216": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "271",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_271_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r217": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "273",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_273&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r218": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "274",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_274_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r219": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "a",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_28_a_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r220": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "a",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_28_a_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r221": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_35_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r222": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_35&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r223": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "37",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_37&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r224": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "43",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_43&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r225": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "44",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_44_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r226": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "44",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_44_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r227": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "44",
   "Subparagraph": "b",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_44_b_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r228": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "44",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_44_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r229": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "44",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_44_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r230": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "44",
   "Subparagraph": "e",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_44_e_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r231": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "44",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_44_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r232": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "44",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_44&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r233": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "56",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_56_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r234": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "56A",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_56A&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r235": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "60",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_60&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r236": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "61",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_61&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r237": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "62",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_62&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r238": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "66",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_66_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r239": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "66",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_66_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r240": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "66",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_66_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r241": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "66",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_66&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r242": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "67",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_67&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r243": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "70",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_70&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r244": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "71",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_71_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r245": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "71",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_71_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r246": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "71",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_71_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r247": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "71",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_71&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r248": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "75",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_75_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r249": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "75",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_75_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r250": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "89",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_89&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r251": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "95",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_95_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r252": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "95",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_95_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r253": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "95",
   "Subparagraph": "d",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_95_d_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r254": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "95",
   "Subparagraph": "d",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_95_d_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r255": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "95",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_95&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r256": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B10",
   "Subparagraph": "a",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B10_a_iv&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r257": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B10",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B10_b&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r258": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B10",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B10&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r259": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B12",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B12&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r260": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B13",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B13&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r261": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B17",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B17_a&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r262": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B2",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B2_d&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r263": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B9",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B9_f&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r264": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expired 2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "8",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_8_a&doctype=Standard&book=b",
   "URIDate": "2025-03-27"
  },
  "r265": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expired 2023-01-01",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "8",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_8_c&doctype=Standard&book=b",
   "URIDate": "2025-03-27"
  },
  "r266": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2026-01-01",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "11A",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-b&anchor=para_11A_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r267": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2026-01-01",
   "Name": "IFRS",
   "Number": "9",
   "IssueDate": "2025-01-01",
   "Paragraph": "7.2.49",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2025-en-r&anchor=para_7.2.49&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r268": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "104",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_104&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r269": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "106",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r270": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "106",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r271": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "106",
   "Subparagraph": "d",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_d_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r272": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "106",
   "Subparagraph": "d",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_d_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r273": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "106",
   "Subparagraph": "d",
   "Clause": "iii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_d_iii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r274": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "106",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r275": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "106",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r276": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "107",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_107&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r277": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "117",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_117&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r278": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "136",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_136&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r279": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "137",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_137_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r280": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "20",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_20_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r281": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r282": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r283": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "l",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_l&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r284": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "n",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_n&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r285": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "o",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_o&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r286": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "q",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_q&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r287": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "r",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_r&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r288": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "55",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_55&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r289": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "56",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_56&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r290": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "7",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_7&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r291": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "78",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r292": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "a",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_79_a_iv&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r293": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_79_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r294": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_79&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r295": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "81A",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_81A_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r296": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "81A",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_81A_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r297": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "81A",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_81A_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r298": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "81B",
   "Subparagraph": "a",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_81B_a_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r299": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "81B",
   "Subparagraph": "a",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_81B_a_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r300": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "81B",
   "Subparagraph": "b",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_81B_b_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r301": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "81B",
   "Subparagraph": "b",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_81B_b_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r302": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "82",
   "Subparagraph": "a",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_82_a_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r303": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "82",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_82_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r304": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "82",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_82_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r305": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "82",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_82_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r306": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "91",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_91_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r307": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "92",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_92&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r308": {
   "role": "http://www.xbrl.org/2003/role/disclosureRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "99",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_99&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r309": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "138",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_138_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r310": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "138",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_138_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r311": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "32",
   "IssueDate": "2025-01-01",
   "Paragraph": "IE33",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=32&code=ifrs-tx-2025-en-r&anchor=para_IE33&doctype=Illustrative%20Examples",
   "URIDate": "2025-03-27"
  },
  "r312": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "36",
   "IssueDate": "2025-01-01",
   "Paragraph": "127",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=36&code=ifrs-tx-2025-en-r&anchor=para_127&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r313": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "37",
   "IssueDate": "2025-01-01",
   "Paragraph": "87",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2025-en-r&anchor=para_87&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r314": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "37",
   "IssueDate": "2025-01-01",
   "Section": "Example 10 A court case",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2025-en-r&doctype=Illustrative%20Examples&dita_xref=IAS37_IE_C_ex10_TI",
   "URIDate": "2025-03-27"
  },
  "r315": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "119",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_119_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r316": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "16",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_16_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r317": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "16",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_16_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r318": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "17",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_17_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r319": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "44C",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_44C&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r320": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "44D",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_44D&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r321": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Section": "A Statement of cash flows for an entity other than a financial institution",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&doctype=Illustrative%20Examples&dita_xref=IAS07_IE_A_TI",
   "URIDate": "2025-03-27"
  },
  "r322": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Section": "C Reconciliation of liabilities arising from financing activities",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&doctype=Illustrative%20Examples&dita_xref=IAS07_IE_C_TI",
   "URIDate": "2025-03-27"
  },
  "r323": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "12",
   "IssueDate": "2025-01-01",
   "Paragraph": "B10",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2025-en-r&anchor=para_B10_b&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r324": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r325": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "94",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_94&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r326": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "B11",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_B11_b&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r327": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "B6",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_B6&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r328": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "IE60",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_IE60&doctype=Illustrative%20Examples",
   "URIDate": "2025-03-27"
  },
  "r329": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "IE63",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_IE63&doctype=Illustrative%20Examples",
   "URIDate": "2025-03-27"
  },
  "r330": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "15",
   "IssueDate": "2025-01-01",
   "Paragraph": "B89",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2025-en-r&anchor=para_B89_a&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r331": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "15",
   "IssueDate": "2025-01-01",
   "Paragraph": "B89",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2025-en-r&anchor=para_B89_b&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r332": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "113",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_113_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r333": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "96",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_96_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r334": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "96",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_96_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r335": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "Subparagraph": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64_i&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r336": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "B64",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_B64&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r337": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "3",
   "IssueDate": "2025-01-01",
   "Paragraph": "IE72",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=3&code=ifrs-tx-2025-en-r&anchor=para_IE72&doctype=Illustrative%20Examples",
   "URIDate": "2025-03-27"
  },
  "r338": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35H",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35H&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r339": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35I",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35I_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r340": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35I",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35I_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r341": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35I",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35I_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r342": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35I",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35I&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r343": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35M",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35M&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r344": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35N",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35N&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r345": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "6",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_6&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r346": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "IG20B",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_IG20B&doctype=Implementation%20Guidance",
   "URIDate": "2025-03-27"
  },
  "r347": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "IG20C",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_IG20C&doctype=Implementation%20Guidance",
   "URIDate": "2025-03-27"
  },
  "r348": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "IG40B",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_IG40B&doctype=Implementation%20Guidance",
   "URIDate": "2025-03-27"
  },
  "r349": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "23",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_23&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r350": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Name": "IFRS",
   "Number": "8",
   "IssueDate": "2025-01-01",
   "Paragraph": "28",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=8&code=ifrs-tx-2025-en-r&anchor=para_28_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r351": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "103",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_103_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r352": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "103",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_103_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r353": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "251",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_251&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r354": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "Subparagraph": "g",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_35_g&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r355": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_35&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r356": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "66",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_66&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r357": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "70",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_70_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r358": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "70",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_70_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r359": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "70",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_70_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r360": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "70",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_70&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r361": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "71",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_71&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r362": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Effective 2027-01-01",
   "Name": "IFRS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "B9",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B9_f&doctype=Appendix&subtype=B",
   "URIDate": "2025-03-27"
  },
  "r363": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "102",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_102&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r364": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "103",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_103&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r365": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "108",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_108&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r366": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "78",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r367": {
   "role": "http://www.xbrl.org/2003/role/exampleRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "IG6",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_IG6&doctype=Implementation%20Guidance",
   "URIDate": "2025-03-27"
  },
  "r368": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r369": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r370": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "16",
   "IssueDate": "2025-01-01",
   "Paragraph": "73",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2025-en-r&anchor=para_73_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r371": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "19",
   "IssueDate": "2025-01-01",
   "Paragraph": "135",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_135_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r372": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "118",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r373": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "118",
   "Subparagraph": "e",
   "Clause": "ii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118_e_ii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r374": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "118",
   "Subparagraph": "e",
   "Clause": "iv",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118_e_iv&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r375": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "118",
   "Subparagraph": "e",
   "Clause": "vii",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118_e_vii&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r376": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "118",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r377": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "118",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_118&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r378": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "38",
   "IssueDate": "2025-01-01",
   "Paragraph": "119",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2025-en-r&anchor=para_119&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r379": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "40",
   "IssueDate": "2025-01-01",
   "Paragraph": "79",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=40&code=ifrs-tx-2025-en-r&anchor=para_79_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r380": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "41",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "f",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=41&code=ifrs-tx-2025-en-r&anchor=para_54_f&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r381": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "16",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_16&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r382": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "17",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_17&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r383": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "20",
   "Subparagraph": "b",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_20_b&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r384": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "20",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_20&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r385": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IAS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "35",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2025-en-r&anchor=para_35&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r386": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r387": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "e",
   "Clause": "i",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_e_i&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r388": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IFRS",
   "Number": "13",
   "IssueDate": "2025-01-01",
   "Paragraph": "93",
   "Subparagraph": "h",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=13&code=ifrs-tx-2025-en-r&anchor=para_93_h&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r389": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IFRS",
   "Number": "17",
   "IssueDate": "2025-01-01",
   "Paragraph": "C28D",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2025-en-r&anchor=para_C28D&doctype=Appendix&subtype=C",
   "URIDate": "2025-03-27"
  },
  "r390": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "41",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_41&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r391": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IFRS",
   "Number": "7",
   "IssueDate": "2025-01-01",
   "Paragraph": "7",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_7&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r392": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IFRS",
   "Number": "9",
   "IssueDate": "2025-01-01",
   "Paragraph": "7.2.12",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2025-en-r&anchor=para_7.2.12&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r393": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IFRS",
   "Number": "9",
   "IssueDate": "2025-01-01",
   "Paragraph": "7.2.13",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2025-en-r&anchor=para_7.2.13&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r394": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IFRS",
   "Number": "9",
   "IssueDate": "2025-01-01",
   "Paragraph": "7.2.15",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2025-en-r&anchor=para_7.2.15&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r395": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IFRS",
   "Number": "9",
   "IssueDate": "2025-01-01",
   "Paragraph": "7.2.33",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2025-en-r&anchor=para_7.2.33&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r396": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IFRS",
   "Number": "9",
   "IssueDate": "2025-01-01",
   "Paragraph": "7.2.40",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2025-en-r&anchor=para_7.2.40&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r397": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IFRS",
   "Number": "9",
   "IssueDate": "2025-01-01",
   "Paragraph": "7.2.46",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2025-en-r&anchor=para_7.2.46&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r398": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Name": "IFRS",
   "Number": "9",
   "IssueDate": "2025-01-01",
   "Paragraph": "7.2.7",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=9&code=ifrs-tx-2025-en-r&anchor=para_7.2.7&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r399": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "10",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_10_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r400": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "106",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r401": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "108",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_108&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r402": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "112",
   "Subparagraph": "c",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_112_c&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r403": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "20",
   "Subparagraph": "d",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_20_d&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r404": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "54",
   "Subparagraph": "a",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_54_a&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r405": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "55",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_55&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r406": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "78",
   "Subparagraph": "e",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78_e&doctype=Standard",
   "URIDate": "2025-03-27"
  },
  "r407": {
   "role": "http://www.xbrl.org/2009/role/commonPracticeRef",
   "Note": "Expiry date 2027-01-01",
   "Name": "IAS",
   "Number": "1",
   "IssueDate": "2025-01-01",
   "Paragraph": "85",
   "URI": "https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_85&doctype=Standard",
   "URIDate": "2025-03-27"
  }
 }
}
