Document Type Document type Amendment flag Amendment Flag Document Fiscal Year Focus Document fiscal year focus Document fiscal period focus Document Fiscal Period Focus Document Period End Date Document period end date Legal Entity [Axis] Entity [Domain] UBS Group AG UBS Group AG (consolidated) Entity Information [Line Items] Entity Registrant Name Entity registrant name Entity Central Index Key Entity central index key Current Fiscal Year End Date Current fiscal year end date Accumulated Other Comprehensive Income Other comprehensive income recognized directly in equity, net of tax Additional Information [Abstract] Additional information Additional Provisions Other Provisions Increase in provisions recognized in the income statement Adjustments For Decrease Increase In Loans And Advances To Customers Loans and advances to customers of which: Loans and advances to customers Adjustments For Decrease Increase In Reverse Repurchase Agreements And Cash Collateral On Securities Borrowed Payables from securities financing transactions measured at amortized cost Adjustments For Deferred Tax Expense Deferred tax expense / (benefit) Adjustments For Depreciation And Amortisation Expense And Impairment Loss Reversal Of Impairment Loss Recognised In Profit Or Loss Depreciation, amortization and impairment of non-financial assets Adjustments For Impairment Loss Reversal Of Impairment Loss Recognised In Profit Or Loss Loans And Advances Credit loss expense / (release) of which: Credit loss expense / (release) Adjustments For Increase Decrease In Deposits From Customers Customer deposits Adjustments For Increase Decrease In Repurchase Agreements And Cash Collateral On Securities Lent Receivables from securities financing transactions measured at amortized cost Share of net (profit) / loss of associates and joint ventures and impairment related to associates Adjustments For Undistributed Profits Of Associates Aggregate Difference Between Fair Value At Initial Recognition And Amount Determined Using Valuation Technique Yet To Be Recognised Reserve balance at the beginning of the period Reserve balance at the end of the period Allowance For Credit Losses [Member] Allowance for expected credit loss Amounts Subject To Enforceable Master Netting Arrangement Or Similar Agreement Not Set Off Against Financial Assets Further netting potential not recognized on the balance sheet Further netting potential not recognized on the balance sheet Amounts Subject To Enforceable Master Netting Arrangement Or Similar Agreement Not Set Off Against Financial Liabilities Further netting potential not recognized on the balance sheet Assets Total assets Total assets measured at fair value Balance as of 31 December Total assets recognized on the balance sheet Total assets Balance as of 31 December Assets [Abstract] Assets Total assets Assets Held As Collateral Permitted To Be Sold Or Repledged At Fair Value of which: assets pledged as collateral that may be sold or repledged by counterparties Fair value of assets received which can be sold or repledged At Fair Value [Member] At fair value Average Foreign Exchange Rate Average rate Basic Earnings Loss Per Share Basic Borrowings By Type [Abstract] Bottom Of Range [Member] low Minimum Brokerage Fee Expense Brokerage expense Brokerage Fee Income Brokerage fees Cancellation Of Treasury Shares Cancellation of treasury shares related to the share repurchase program Carrying Amount Accumulated Depreciation Amortisation And Impairment And Gross Carrying Amount [Axis] Carrying Amount [Member] Net carrying amount Net credit impaired financial instruments Cash And Bank Balances At Central Banks Cash and balances at central banks of which: Cash and balances with central banks Cash And Cash Equivalents Cash and cash equivalents at the beginning of the period Cash and cash equivalents at the end of the period Cash And Cash Equivalents Abstract Total cash flow Cash And Cash Equivalents In Subsidiary Or Businesses Acquired Or Disposed Cash and cash equivalents acquired upon the acquisition of the Credit Suisse Group Outflows related to cash and cash equivalents Cash Collateral Pledged Subject To Enforceable Master Netting Arrangement Or Similar Agreement Not Set Off Against Financial Liabilities of which: netting with collateral pledged Cash Collateral Received Subject To Enforceable Master Netting Arrangement Or Similar Agreement Not Set Off Against Financial Assets of which: netting with collateral received Cash Flow Hedges [Abstract] Cash flow hedges Cash flow hedges of interest rate risk Cash Flows From Used In Financing Activities Net cash flow from / (used in) financing activities Net cash flow from / (used in) financing activities Cash Flows From Used In Financing Activities [Abstract] Cash flow from / (used in) financing activities Cash Flows From Used In Investing Activities Net cash flow from / (used in) investing activities Net cash flow from / (used in) investing activities Cash Flows From Used In Investing Activities [Abstract] Cash flow from / (used in) investing activities Cash Flows From Used In Operating Activities Net cash flow from / (used in) operating activities Net cash flow from / (used in) operating activities Cash Flows From Used In Operating Activities Abstract Cash flow from / (used in) operating activities Categories Of Financial Assets [Axis] Categories Of Financial Assets [Domain] Categories Of Financial Liabilities [Axis] Categories Of Financial Liabilities [Domain] Change In Value Of Foreign Currency Basis Spreads [Abstract] Cost of hedging Classes Of Employee Benefits Expense [Abstract] Classes Of Financial Instruments [Axis] Classes Of Financial Instruments [Domain] Total Total Classes Of Other Provisions [Domain] Provisions Total Classes Of Provisions [Axis] Closing Foreign Exchange Rate Spot rate Closing exchange rate Commodity Price Risk [Member] Commodities Commodity Components Of Equity [Axis] Components Of Equity [Domain] Total equity Total comprehensive income for the period Comprehensive Income Total comprehensive income Total comprehensive income Comprehensive Income [Abstract] Total comprehensive income Consideration Paid Received Cash proceeds Contingent Liabilities Recognised In Business Combination Acquisition-related contingent liabilities relating to litigation, regulatory and similar matters (IFRS 3, Business Combinations) IFRS 3 acquisition-related contingent liabilities Continuing Involvement In Derecognised Financial Assets By Type Of Instrument [Domain] Total Corporate Loans [Member] Large corporate clients of which: Large corporate clients Counterparties [Axis] Counterparties [Domain] Total Credit Impairment Of Financial Instruments [Axis] Credit Impairment Of Financial Instruments [Domain] Total credit-impaired financial assets Total Credit derivatives Credit Risk [Member] Credit spread Credit Spread Measurement Input [Member] Currency Risk [Member] Foreign exchange Foreign exchange Current Accrued Expenses And Other Current Liabilities Other accrued expenses Current Debt Instruments Issued Short-term debt CurrentTaxAssets Current tax assets Current Tax Liabilities Current tax liabilities Debt Securities Debt issued measured at amortized cost Total debt issued measured at amortized cost Deferred Tax Assets Deferred tax assets Recognized Deferred Tax Liabilities Total deferred tax liabilities Deferred tax liabilities Deposits From Banks Amounts due to banks Amounts due to banks Deposits From Customers Customer deposits Due to customers Customer deposits (formerly: Due to customers) Depreciation Amortisation And Impairment Loss Reversal Of Impairment Loss Recognised In Profit Or Loss Depreciation, amortization and impairment of non-financial assets Derivative Financial Assets Derivative financial instruments Derivative financial assets Derivative financial instruments (formerly: Positive replacement values) Derivative financial assets Derivative Financial Liabilities NRV Derivative financial liabilities Derivative financial instruments (formerly: Negative replacement values) Derivative financial instruments Derivatives [Member] Total derivative instruments, based on IFRS netting Derivative financial instruments Designated Financial Liabilities At Fair Value Through Profit Or Loss [Abstract] Diluted Earnings Loss Per Share Diluted Disclosure Of Accounting Judgements And Estimates Explanatory Critical accounting estimates and judgments Disclosure Of Basis Of Preparation Of Financial Statements Explanatory Basis of preparation Disclosure Of Changes In Accounting Policies Accounting Estimates And Errors Explanatory Changes in accounting policies, comparability and adjustments Disclosure Of Contingent Liabilities Explanatory Litigation, regulatory and similar matters Disclosure Of Credit Risk Exposure Explanatory ECL-relevant balance sheet and off-balance sheet positions Disclosure Of Credit Risk Exposure [Line Items] Disclosure Of Credit Risk Exposure [Table] Disclosure Of Debt Securities Explanatory Debt issued measured at amortized cost Disclosure Of Derivative Financial Instruments Explanatory Derivative instruments Disclosure Of Detailed Information About Borrowings Explanatory Debt issued measured at amortized cost Disclosure Of Disaggregation Of Revenue From Contracts With Customers [Table] Disclosure Of Effect Of Changes In Foreign Exchange Rates Explanatory Currency translation rates Disclosure Of Employee Benefits Explanatory Personnel expenses Disclosure Of Entitys Reportable Segments Explanatory Segment reporting Disclosure Of Fair Value Measurement Explanatory Fair value measurement Disclosure Of Fair Value Measurement Of Assets Explanatory Determination of fair values from quoted market prices or valuation techniques (assets) Disclosure Of Fair Value Measurement Of Assets [Line Items] Movements of Level 3 instruments Financial instruments not measured at fair value Disclosure Of Fair Value Measurement Of Assets [Table] Disclosure Of Fair Value Measurement Of Liabilities Explanatory Determination of fair values from quoted market prices or valuation techniques (liabilities) Disclosure Of Fair Value Measurement Of Liabilities [Line Items] Financial instruments not measured at fair value Disclosure Of Fair Value Measurement Of Liabilities [Table] Disclosure Of Fee And Commission Income Expense Explanatory Net fee and commission income Disclosure Of Financial Assets [Line Item] Allowances and provisions for credit losses Disclosure Of Financial Instruments [Abstract] Disclosure Of Financial Instruments Designated At Fair Value Through Profit Or Loss Explanatory Debt issued designated at fair value Disclosure Of Financial Liabilities [Line Items] Debt issued held at amortized cost Disclosure Of General And Administrative Expense Explanatory General and administrative expenses Basis of accounting Disclosure Of Material Accounting Policy Information Explanatory Disclosure Of Offsetting Of Financial Assets And Liabilities Explanatory Cash collateral on derivative instruments Disclosure Of Offsetting Of Financial Assets [Line Items] Disclosure Of Offsetting Of Financial Assets [Table] Disclosure Of Offsetting Of Financial Liabilities [Line Items] Financial liabilities subject to offsetting, enforceable master netting arrangements and similar agreements Disclosure Of Offsetting Of Financial Liabilities [Table] Disclosure Of Operating Segments [Abstract] Disclosure Of Operating Segments Explanatory Segment reporting Disclosure Of Operating Segments [Line Items] Segment reporting Disclosure Of Operating Segments [Table] Disclosure Of Other Operating Income Explanatory Other income Disclosure Of Other Provisions [Abstract] Disclosure Of Other Provisions Explanatory Additional information for provisions under IAS 37, Provisions, Contingent Liabilities and Contingent Assets Disclosure Of Other Provisions [Line Items] Provisions Total Provisions Provisions [Table] Disclosure Of Provision Matrix [Abstract] Disclosure Of Provision Matrix Explanatory Expected credit loss measurement Disclosure Of Provision Matrix [Line Items] Disclosure Of Provision Matrix [Table] Disclosure Of Provisions Explanatory Provisions and contingent liabilities Discounted Cash Flow [Member] Discounted expected cash flows Dividends Paid Ordinary Shares Per Share Ordinary cash dividends paid, ordinary shares per share Dividends Paid To Equity Holders Of Parent Classified As Financing Activities Distributions paid on UBS shares Distributions paid on UBS Group AG shares Dividends Received Classified As Operating Activities Dividends on equity investments, investment funds and associates received in cash Earnings Per Share [Abstract] Earnings per share Effect Of Exchange Rate Changes On Cash And Cash Equivalents Effects of exchange rate differences on cash and cash equivalents Employee Benefits Expense Personnel expenses Total personnel expenses Balance Balance Equity Total equity Total IFRS equity Total equity Equity [Abstract] Equity Equity And Liabilities Total liabilities and equity Total liabilities and equity Equity Attributable To Owners Of Parent Equity attributable to shareholders Equity attributable to shareholders Equity attributable to shareholders at the end of the period Equity attributable to shareholders at the beginning of the period Equity Attributable To Owners Of Parent [Member] Total equity attributable to shareholders Comprehensive income attributable to shareholders Equity Investments [Member] Equity instruments of which: Equity instruments Equity Price Risk [Member] Equity / index Equity prices Exchange Differences On Translation [Abstract] Foreign currency translation Expected Credit Loss Rate ECL coverage Expense By Nature Operating expenses Operating expenses Explanation Of Accounting Policies And Methods Of Computation Followed In Interim Financial Statements Description of accounting policies and methods of computation followed in interim financial statements Exposure To Credit Risk On Loan Commitments And Financial Guarantee Contracts Total off-balance sheet financial instruments and other credit lines Total exposure Fee And Commission Expense Total fee and commission expense Fee and commission expense Fee and commission expense Fee And Commission Income Total fee and commission income Fee and commission income Net fee and commission income Net fee and commission income Fee And Commission Income Expense Fee And Commission Income Expense [Abstract] Finance Lease Receivables Finance lease receivables Financial Assets Financial assets Total ECL provision Balance as of 1.1.2018 Balance as of 31.12.2018 Financial Assets At Amortised Cost Total financial assets measured at amortized cost Total financial assets measured at amortized cost Financial Assets At Amortised Cost [Member] Total financial assets measured at amortized cost Financial Assets At Fair Value Balance at the beginning of the period Balance at the end of the period Financial assets measured at fair value Total financial assets measured at fair value through profit or loss Financial Assets At Fair Value Through Profit Or Loss Total financial assets measured at fair value through profit or loss Financial assets at fair value through profit or loss classified as held for trading of which: financial assets at fair value held for trading Financial assets at fair value held for trading Financial Assets At Fair Value Through Profit Or Loss Classified As Held For Trading Financial Assets At Fair Value Through Profit Or Loss Classified As Held For Trading Category [Member] Financial assets at fair value held for trading Financial Assets At Fair Value Through Profit Or Loss Mandatorily Measured At Fair Value Financial assets at fair value not held for trading of which: financial assets at fair value not held for trading Financial Assets At Fair Value Through Profit Or Loss Mandatorily Measured At Fair Value Category [Member] Financial assets at fair value not held for trading Financial Assets Measured At Fair Value Through Other Comprehensive Income Financial assets measured at fair value through other comprehensive income Total financial assets measured at fair value through other comprehensive income Financial Assets Measured At Fair Value Through Other Comprehensive Income [Abstract] Financial assets measured at fair value through other comprehensive income Financial Assets Measured At Fair Value Through Other Comprehensive Income Category [Member] Financial assets measured at fair value through other comprehensive income Financial Guarantee Contracts [Member] Guarantees Financial Instruments Credit impaired After Purchase Or Origination [Member] Stage 3 positions Stage 3 Financial Instruments Credit-impaired [Member] Credit-impaired (stage 3 and purchased credit-impaired) positions Financial Instruments Not Credit-impaired [Member] Stage 1 and 2 positions Stages 1 and 2 Financial Instruments Purchased Or Originated Creditimpaired Member Purchased credit-impaired (PCI) Purchased Financial Instruments Subject To Enforceable Master Netting Arrangement Or Similar Agreement Not Set Off Against Financial Assets of which: netting of recognized financial liabilities Financial Instruments Subject To Enforceable Master Netting Arrangement Or Similar Agreement Not Set Off Against Financial Liabilities of which: netting of recognized financial assets Financial Liabilities At Amortised Cost Total financial liabilities measured at amortized cost Total financial liabilities measured at amortized cost Financial Liabilities At Fair Value Financial liabilities measured at fair value Balance at the beginning of the period Balance at the end of period Financial Liabilities At Fair Value Through Profit Or Loss Total financial liabilities measured at fair value through profit or loss Total financial liabilities measured at fair value through profit or loss Total Level 3 liabilities Financial Liabilities At Fair Value Through Profit Or Loss Classified As Held For Trading Total Financial liabilities at fair value held for trading Financial liabilities at fair value held for trading (formerly Trading portfolio liabilities) Foreign Exchange Rates [Abstract] Gains Losses On Cash Flow Hedges Before Tax Effective portion of changes in fair value of hedging instruments recognized as Other comprehensive income Effective portion of changes in fair value of derivative instruments designated as cash flow hedges, before tax Gains Losses On Disposals Of Noncurrent Assets Net gains / (losses) from properties held for sale Gains Losses On Exchange Differences On Translation Before Tax Foreign currency translation movements related to net assets of foreign operations, before tax Gains Losses On Financial Assets Measured At Fair Value Through Other Comprehensive Income Before Tax Net unrealized gains / (losses), before tax Gains Losses On Hedges Of Net Investments In Foreign Operations Before Tax Effective portion of changes in fair value of hedging instruments designated as net investment hedges, before tax 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 Total gains / (losses) included in comprehensive income - of which: related to Level 3 instruments held at the end of the reporting period Gains Losses Recognised In Profit Or Loss Attributable To Change In Unrealised Gains Or Losses For Liabilities Held At End Of Period Fair Value Measurement Total gains / losses included in comprehensive income - of which: related to Level 3 instruments held at the end of the reporting period Gains Losses Recognised In Profit Or Loss Fair Value Measurement Assets Total gains / (losses) included in comprehensive income - Net gains / (losses) included in income Gains Losses Recognised In Profit Or Loss Fair Value Measurement Liabilities Total gains / losses included in comprehensive income - Net gains / losses included in income Total general and administrative expenses General and administrative expenses General And Administrative Expense Geographical Areas [Axis] Geographical Areas [Domain] Total Goods Or Services Transferred At Point In Time [Member] of which: transaction-based Gross Carrying Amount [Member] Gross carrying amount Gross impaired financial instruments Historical Volatility For Shares Measurement Input [Member] Volatility of equity stocks, equity and other indices Impairment Loss Impairment Gain And Reversal Of Impairment Loss Determined In Accordance With IFRS9 Credit loss (expense) / release Credit loss expense / (release) Recognition of ECL (IFRS 9) Expected credit loss adjusted with scenario weights Impairment Of Financial Assets [Axis] Impairment Of Financial Assets [Domain] Income Statement [Abstract] Income statement Income Tax Expense Continuing Operations Tax expense / (benefit) Income tax expense / (benefit) Tax expense / (benefit) Tax expense / (benefit) Net tax expense Income Tax Relating To Cash Flow Hedges Of Other Comprehensive Income Income tax relating to cash flow hedges Income tax relating to cash flow hedges Income Tax Relating To Change In Value Of Foreign Currency Basis Spreads Of Other Comprehensive Income Income tax relating to cost of hedging Income Tax Relating To Changes In Fair Value Of Financial Liability Attributable To Change In Credit Risk Of Liability Of Other Comprehensive Income Income tax relating to own credit on financial liabilities designated at fair value Income Tax Relating To Exchange Differences On Translation Of Other Comprehensive Income Income tax relating to foreign currency translations, including the effect of net investment hedges Income Tax Relating To Financial Assets Measured At Fair Value Through Other Comprehensive Income Income tax relating to net unrealized gains / (losses) Income Tax Relating To Remeasurements Of Defined Benefit Plans Of Other Comprehensive Income Income tax relating to defined benefit plans Tax (expense) / benefit relating to defined benefit plans recognized in other comprehensive income Income Taxes Paid Refund Income taxes paid, net of refunds Increase Decrease In Cash And Cash Equivalents Before Effect Of Exchange Rate Changes Net cash flow from / (used in) operating, investing and financing activities Net cash flow from / (used in) operating, investing and financing activities Increase Decrease In Contingent Liabilities Recognised In Business Combination Increase / (decrease) in IFRS 3 acquisition-related contingent liabilities Increase Decrease In Exposure To Credit Risk On Loan Commitments And Financial Guarantee Contracts Decrease in committed unconditionally revocable credit lines Increase Decrease Through Amounts Recognised In Profit Or Loss Aggregate Difference Between Fair Value At Initial Recognition And Amount Determined Using Valuation Technique Yet To Be Recognised (Profit) / loss recognized in the income statement Increase Decrease Through New Transactions Aggregate Difference Between Fair Value At Initial Recognition And Amount Determined Using Valuation Technique Yet To Be Recognised Profit / (loss) deferred on new transactions Increase Decrease Through Sharebased Payment Transactions Share-based compensation expensed in the income statement Increase Decrease Through Transfers And Other Changes Equity New consolidations / (deconsolidations) and other increases / (decreases) Reclassifications Increase Decrease Through Transfers And Other Changes Other Provisions Reclassification of IFRS 3 contingent liabilities to IAS 37 Provisions Increase Decrease Through Treasury Share Transactions Delivery of treasury shares under share-based compensation plans Intangible Assets And Goodwill Goodwill and intangible assets Balance at the beginning of the year Balance at the end of the year Interest Expense For Financial Liabilities Not At Fair Value Through Profit Or Loss Interest expense from financial instruments measured at amortized cost Total interest expense from financial instruments measured at amortized cost Interest Expense On Debt Instruments Issued Interest expense on debt issued Interest Expense On Lease Liabilities Interest expense on lease liabilities Interest Income For Financial Assets Not At Fair Value Through Profit Or Loss Interest income from financial instruments measured at amortized cost and fair value through other comprehensive income Total interest income from financial instruments measured at amortized cost and fair value through other comprehensive income Interest Paid Classified As Operating Activities Interest paid in cash Interest Payable Accrued interest expenses Interest Rate Risk [Member] Fair value hedges of interest rate risk Interest rate Interest rates Interest Receivable Accrued interest income Interest Received Classified As Operating Activities Interest received in cash Total net interest income Interest Revenue Expense Net interest income Investment Accounted For Using Equity Method Carrying amount at the beginning of the year Carrying amount at the end of the year Investments in subsidiaries and associates Investments in associates Investment funds Investment fund units of which: Investment fund units Issued Capital Share capital Issues Fair Value Measurement Assets Issuances Issues Fair Value Measurement Liabilities Issuances Joint Ventures [Domain] Joint Ventures [Member] Joint ventures Later Than One Year And Not Later Than Two Years [Member] 2027 Lease Liabilities Lease liabilities Carrying amount of total lease liabilities as of 1 January 2019 Litigation, regulatory and similar matters Legal Proceedings Provision [Member] Level 1 Of Fair Value Hierarchy [Member] Level 1 Quoted in active market Level 2 Of Fair Value Hierarchy [Member] Level 2 Level 3 Of Fair Value Hierarchy [Member] Level 3 Levels Of Fair Value Hierarchy [Axis] Levels Of Fair Value Hierarchy [Domain] Total Liabilities Total liabilities Total liabilities measured at fair value Total liabilities recognized on the balance sheet Total liabilities Liabilities [Abstract] Liabilities Total liabilities Liabilities Included In Disposal Groups Classified As Held For Sale Liabilities of disposal groups held for sale Lifetime Expected Credit Losses [Member] Lifetime expected credit losses Loan commitments Irrevocable loan commitments Loan commitments measured at FVTPL Loans And Advances To Banks Due from banks, net Amounts due from banks of which: Amounts due from banks Loans And Advances To Customers Loans, net Loans and advances to customers of which: Loans and advances to customers Total Market Comparable Prices [Member] Relative value to market comparable Maturity [Axis] Maturity [Domain] Total Measurement [Axis] Measurement [Domain] Miscellaneous Other Operating Expense Other Miscellaneous Other Provisions [Member] Other Mortgages [Member] Private clients with mortgages of which: Private clients with mortgages Net Asset Value [Member] Net asset value Net Financial Assets Subject To Offsetting Enforceable Master Netting Arrangements Or Similar Agreements In Statement Of Financial Position Net assets recognized on the balance sheet Assets based on IFRS netting Net Financial Liabilities Subject To Offsetting Enforceable Master Netting Arrangements Or Similar Agreements In Statement Of Financial Position Net liabilities recognized on the balance sheet Liabilities based on IFRS netting Noncontrolling Interests Equity attributable to non-controlling interests Non-controlling Interests Non-controlling Interests [Member] Comprehensive income attributable to non-controlling interests Non-controlling interests Noncurrent Debt Instruments Issued Long-term debt Not Later Than One Year [Member] Within 1 year 2026 Not Measured At Fair Value In Statement Of Financial Position But For Which Fair Value Is Disclosed [Member] Fair value One Year Before Reporting Year [Member] 2025 Option Pricing Model [Member] Option model Other net adjustments Other Adjustments For Noncash Items Other Adjustments To Reconcile Profit Loss Provisions and other non-financial assets and liabilities of which: Provisions and other non-financial assets and liabilities Other Comprehensive Income Total other comprehensive income Total other comprehensive income of which: OCI, net of tax Other Comprehensive Income Before Tax Change In Fair Value Of Financial Liability Attributable To Change In Credit Risk Of Liability Gains / (losses) from own credit on financial liabilities designated at fair value, before tax Total gain / (loss), before tax Other Comprehensive Income Before Tax Change In Value Of Foreign Currency Basis Spreads Cost of hedging, before tax Other Comprehensive Income Before Tax Gains Losses On Remeasurements Of Defined Benefit Plans Gains / (losses) on defined benefit plans, before tax Amounts recognized in other comprehensive income Total gains / (losses) recognized in other comprehensive income, before tax Gains / (losses) recognized in other comprehensive income, before tax Other Comprehensive Income Net Of Tax Cash Flow Hedges Subtotal cash flow hedges, net of tax Cash flow hedges, net of tax Other Comprehensive Income Net Of Tax Change In Fair Value Of Financial Liability Attributable To ChangeI n Credit Risk Of Liability Subtotal own credit on financial liabilities designated at fair value, net of tax Own credit on financial liabilities designated at fair value, net of tax Other Comprehensive Income Net Of Tax Change In Value Of Foreign Currency Basis Spreads Subtotal cost of hedging, net of tax Other comprehensive income, net of tax, change in value of foreign currency basis spreads Cost of hedging, net of tax Other Comprehensive Income Net Of Tax Exchange Differences On Translation of which: OCI that will not be reclassified to the income statement, net of tax - foreign currency translation Subtotal foreign currency translation, net of tax Foreign currency translation, net of tax Other Comprehensive Income Net Of Tax Financial Assets Measured At Fair Value Through Other Comprehensive Income Subtotal financial assets measured at fair value through other comprehensive income, net of tax Financial assets available for sale, net of tax Financial assets measured at fair value through other comprehensive income, net of tax Other Comprehensive Income Net Of Tax Gains Losses On Remeasurements Of Defined Benefit Plans Subtotal defined benefit plans, net of tax Defined benefit plans, net of tax Other Comprehensive Income That Will Be Reclassified To Profit Or Loss Net Of Tax Total other comprehensive income that may be reclassified to the income statement, net of tax Other Comprehensive Income That Will Not Be Reclassified To Profit Or Loss Net Of Tax Total other comprehensive income that will not be reclassified to the income statement, net of tax Total other comprehensive income that will not be reclassified to the income statement, net of tax Total other comprehensive income that will not be reclassified to the income statement, net of tax Other Employee Expense Other personnel expenses Other Fee And Commission Income Other Other Financial Liabilities Other financial liabilities Other Income Other income Total other income Other Income Expense From Subsidiaries Jointly Controlled Entities And Associates Total Other Inflows Outflows Of Cash Classified As Financing Activities Net cash flows from other financing activities Other non-financial assets Other non-financial assets Total other non-financial assets Other Non-financial Liabilities Other non-financial liabilities Total other non-financial liabilities Other Reserves [Member] Other comprehensive income recognized directly in equity, net of tax Prepayments Prepaid expenses Proceeds From Issue Of Bonds Notes And Debentures Issuance of debt designated at fair value and long-term debt measured at amortized cost Professional Fees Expense Consulting, legal and audit fees Net profit / (loss) Profit Loss Net profit / (loss) of which: net profit / (loss) Profit Loss Attributable To Noncontrolling Interests Net profit / (loss) attributable to non-controlling interests Profit Loss Attributable To Ordinary Equity Holders Of Parent Entity Net profit / (loss) attributable to shareholders Profit Loss Before Tax Operating profit / (loss) before tax Operating profit / (loss) before tax Pre-tax gain resulted from changes to the Pension Fund of UBS in Switzerland Proportion Of Ownership Interest In Joint Venture Proportion of ownership interest in joint venture Provisions used in conformity with designated purpose Provision Used Other Provisions Provisions Provisions and contingent liabilities Total provisions and contingent liabilities Purchase Of Treasury Shares Acquisition of treasury shares Purchases Fair Value Measurement Assets Purchases Purchases Fair Value Measurement Liabilities Purchases Range [Axis] Range [Domain] Receivables From Contracts With Customers Fee- and commission-related receivables Receivables From Taxes Other Than Income Tax VAT, withholding tax and other tax receivables Reclassification Adjustments On Cash Flow Hedges Before Tax Net (gains) / losses reclassified to the income statement from equity Net realized (gains) / losses reclassified to the income statement from equity Reclassification Adjustments On Exchange Differences On Translation Before Tax Foreign currency translation differences on foreign operations reclassified to the income statement Foreign exchange amounts reclassified to the income statement from equity Reclassification Adjustments On Financial Assets Measured At Fair Value Through Other Comprehensive Income Before Tax Net realized (gains) / losses reclassified to the income statement from equity Reclassification Adjustments On Hedges Of Net Investments In Foreign Operations Before Tax Effective portion of changes in fair value of hedging instruments designated as net investment hedges reclassified to the income statement Recognised Liabilities Defined Benefit Plan of which: net defined benefit liability Total net defined benefit pension and post-employment liability Repayments Of Bonds Notes And Debentures Repayment of debt designated at fair value and long-term debt measured at amortized cost Repayment of long-term debt, including financial liabilities designated at fair value Repurchase agreements (newly included in Payables from securities financing transactions) Payables from securities financing transactions measured at amortized cost Repurchase Agreements And Cash Collateral On Securities Lent Reserve Of Cash Flow Hedges [Member] of which: cash flow hedges Reserve Of Change In Fair Value Of Financial Liability Attributable To Change In Credit Risk Of Liability Unrealized life-to-date gain / (loss) Own credit adjustments on financial liabilities designated at fair value Reserve Of Change In Value Of Foreign Currency Basis Spreads [Member] of which: cost of hedging Reserve Of Exchange Differences On Translation [Member] of which: foreign currency translation Reserve Of Gains And Losses On Financial Assets Measured At Fair Value Through Other Comprehensive Income [Member] of which: financial assets at fair value through other comprehensive income Restructuring Restructuring Provision [Member] Retained Earnings Retained earnings of which: Retained earnings Retained Earnings [Member] Retained earnings Revenue And Operating Income Total revenues Total revenues Reverse Repurchase Agreements And Cash Collateral On Securities Borrowed Receivables from securities financing transactions measured at amortized cost Reverse repurchase agreements (newly included in Receivables from securities financing transactions) Sale Or Issue Of Treasury Shares Other disposal of treasury shares Sales And Marketing Expense Marketing and communication Sales Fair Value Measurement Assets Sales Sales Fair Value Measurement Liabilities Sales Segments [Axis] Segments [Domain] UBS Group Total Settlements Fair Value Measurement Assets Settlements Settlements Fair Value Measurement Liabilities Settlements Share Of Profit Loss Of Associates And Joint Ventures Accounted For Using Equity Method Share of net profits of associates and joint ventures Share Premium Share premium Shortterm Investments Classified As Cash Equivalents Money market paper classified as cash equivalents of which: money market paper Significant Investments In Subsidiaries [Axis] Significant Investments In Subsidiaries [Domain] Entitys total for subsidiaries Social Security Contributions Social security Social security related to share-based compensation Statement Of Cash Flows [Abstract] Statement Of Changes In Equity [Abstract] Statement Of Changes In Equity [Line Items] Statement of changes in equity Statement Of Changes In Equity [Table] Statement Of Comprehensive Income [Abstract] Statement Of Financial Position [Abstract] Subordinated Liabilities Subordinated debt Subsidiaries [Member] Subsidiaries Timing Of Transfer Of Goods Or Services [Axis] Timing Of Transfer Of Goods Or Services [Domain] Top Of Range [Member] high Maximum Transfers Into Level 3 Of Fair Value Hierarchy Assets Transfers into Level 3 Transfers Into Level 3 Of Fair Value Hierarchy Liabilities Transfers into Level 3 Transfers Out Of Level 3 Of Fair Value Hierarchy Assets Transfers out of Level 3 Transfers Out Of Level 3 Of Fair Value Hierarchy Liabilities Transfers out of Level 3 Treasury Shares Treasury shares Treasury shares Treasury Shares [Member] Twelve month Expected Credit Losses [Member] Twelve-month expected credit losses Type Of Measurement Of Expected Credit Losses [Axis] Type Of Measurement Of Expected Credit Losses [Domain] Types Of Financial Assets [Axis] Types Of FInancial Assets [Domain] Total assets Types Of Financial Liabilities [Axis] Types Of Financial Liabilities [Domain] Total liabilities Types Of Risks [Axis] Types Of Risks [Domain] Types of risk Interest rate contracts Unobservable Inputs [Axis] Unobservable Inputs [Domain] Release of provisions recognized in the income statement Unused Provision Reversed Other Provisions Valuation Techniques Used In Fair Value Measurement [Axis] Valuation Techniques Used In Fair Value Measurement [Domain] Weighted Average [Member] weighted average Average Consolidated Entities Axis [Axis] Switzerland [Member] Switzerland United States [Member] United States US General And Administrative Expenses [Line Items] General And Administrative Expenses Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Outsourcing Expense Outsourcing costs The amount of expense incurred in the period for outsourcing of IT and other services. UBS AG [Member] UBS AG This member refers to UBS AG UBS AG (consolidated) Tax (expense) / benefit Income Tax Effects Allocated Directly To Equity Other The tax effect of items occurring during the period that have been charged or credited directly to components of shareholders' equity and are not otherwise defined. Increase Decrease Through Net Exchange Differences And Time Value Of Money Adjustment Other Provisions Foreign currency translation and other movements The increase (decrease) in other provisions resulting from (i) foreign currency exchange rate changes on provisions measured in a currency different from the entity's presentation currency; (ii) other movements (for example, capitalized reinstatement cost); and (iii) adjustments arising from the passage of time. Foreign currency translation / unwind of discount Recruitment Loans To Financial Advisors The amount of recruitment loans to financial advisors. Loans to financial advisors Bail Deposit The amount of bail deposits relating to inquiries regarding cross-border wealth management businesses. Deposits and collateral provided in connection with litigation, regulatory and similar matters Properties And Other Noncurrent Assets Classified As Held For Sale Properties and other non-current assets held for sale The amount of properties and other non-current assets classified as held for sale. Segment PCB [Member] This member stands for the business division Personal & Corporate Banking. Personal & Corporate Banking of which: Personal & Corporate Banking Segment AM [Member] This member stands for the business division Asset Management. Asset Management of which: Asset Management Segment IB [Member] This member stands for the business division Investment Bank. Investment Bank of which: Investment Bank Lombard Loan [Member] Lombard This member relates to loan to purchase securities in which the security itself serves as collateral for the loan. of which: Lombard Derivative [Line Items] Derivative instruments Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Statement Of Comprehensive Income [Line Items] Statement of comprehensive income Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Income Statement [Line Items] Income statement Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Entity [Table] Dividends Recognised As Distributions Dividends Dividends recognised as distributions to owners of parent, preferred noteholders and non-controlling interests. Balance Sheet [Line Items] Balance sheet Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Cash Collateral Receivables On Derivative Instruments Cash collateral receivables on derivative instruments The amount of exchange-traded derivative assets and certain OTC derivative assets cleared through central clearing counterparties which are either considered to be daily settled or qualify for netting. Cash collateral on securities borrowed (newly included in Receivables from securities financing transactions) Property Equipment Software Property, equipment and software The amount of software-type of intangible asset, and tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. Balance at the beginning of the year Balance at the end of the year Cash Collateral Payables On Derivative Instruments Cash collateral payables on derivative instruments The amount of exchange-traded derivative liabilities and certain OTC derivative liabilities cleared through central clearing counterparties which are either considered to be daily settled or qualify for netting. Other Comprehensive Income Change In Fair Value Of Financial Liability Attributable To Change In Credit Risk Of Liability [Abstract] Own credit on financial liabilities designated at fair value Statement Of Cash Flows [Line Items] Statement Of Cash Flows Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Non Cash Items Included In Net Profit And Other Adjustments [Abstract] Non-cash items included in net profit and other adjustments: Other Adjustments For Which Effects Are Investing Cash Flow Adjustments to reconcile profit (loss) to net cash flow from (used in) operating activities for which effects are investing cash flow, that the entity does not separately disclose in the same statement or note. Net loss / (gain) from investing activities Net loss / (gain) from financing activities Other Adjustments For Which Effects Are Financing Cash Flow Adjustments to reconcile profit (loss) to net cash flow from (used in) operating activities for which effects are financing cash flow, that the entity does not separately disclose in the same statement or note. Increase Decrease In Other Operating Assets And Liabilities Net Abstract Net change in operating assets and liabilities: Purchase of subsidiaries, business, associates and intangible assets Purchase Of Subsidiaries Associates And Intangible Assets Classified As Investing Activities The aggregate cash flows used in obtaining control of subsidiaries, business, associates and/or intangible assets, classified as investing activities. Purchase of subsidiaries, associates and intangible assets Proceeds From Sale Of Subsidiaries Associates And Intangible Assets Classified As Investing Activities Disposal of subsidiaries, business, associates and intangible assets The aggregate cash flows arising from losing control of subsidiaries, business, associates and/or intangible assets, including dividends received from associates, classified as investing activities. Puchase Of Property Equipment Software Classified As Investing Activities Purchase of property, equipment and software The cash outflow for the purchases of property, equipment and software, classified as investing activities. Purchase of property, equipment and software Proceeds From Sales Of Property Equipment Software Classified As Investing Activities Disposal of property, equipment and software The cash inflow from sales of property, equipment and software, classified as investing activities. Net Short Term Debt Issued Repaid Net short-term debt issued / (repaid) The aggregate cash flows obtained from issuance of short term debt and (repayment of) short term debt issued. Net issuance (repayment) of short-term debt measured at amortized cost Net Movement In Treasury Shares And Own Equity Derivative Activity Net movements in treasury shares and own equity derivative activity The aggregate cash flows from net movements in treasury shares and own equity derivative activity. Due From Banks Classified As Cash Equivalents Due from banks classified as cash equivalents A classification of cash equivalents representing due from banks. Loans and advances to banks classified as cash equivalents of which: amounts due from banks Cash Flows From Used In Operating Activities Includes Abstract Net cash flow from / (used in) operating activities includes: Other Comprehensive Income Defined Benefit Plans Adjustment net Of Tax Period Increase Decrease [Abstract] Defined benefit plans Interest Income From Loans And Deposits Interest income from loans and deposits The amount of interest income from balances with central banks, amounts due from banks and loans, and negative interest on amounts due to banks and customers. Interest Expense On Loans And Deposits Interest expense on loans and deposits The amount of interest expense on amounts due to banks, cash collateral payables on derivative instruments, and customer deposits, as well as negative interest on cash and balances at central banks, loans and advances to banks, and cash collateral receivables on derivative instruments. Interest Expense On Securities Financing Transactions Interest expense on securities financing transactions measured at amortized cost The amount of interest expense on securities lent and repurchase agreements and negative interest, including fees, on securities borrowed and reverse repurchase agreements. Net fee And Commission Income [Line Items] Net fee and commission income Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Underwriting Fees The amount of income recognised from underwriting transactions. Underwriting Fees MA Corporate Finance Fees M&A and corporate finance fees The amount of fee income arising from merger and acquisition and corporate finance transactions. Other Income [Line Items] Other income Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Personnel Expenses [Line Items] Personnel expenses Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Contractor Employee Expense Contractors The amout of expense for services rendered by contractors (individuals which are employed by a third party or self-employed) Issued Debt Instruments [Abstract] Issued debt instruments Equity Linked Issued Debt Instruments Designated At Fair Value Through Profit Or Loss Equity-linked The amount of equity-linked debt instruments that have been issued and are designated at fair value. Credit Linked Issued Debt Instruments Designated At Fair Value Through Profit Or Loss Credit-linked The amount of credit-linked debt instruments that have been issued and are designated at fair value. Other Issued Debt Instruments Designated At Fair Value Through Profit Or Loss Other The amount of other miscellaneous debt instruments that have been issued and are designated at fair value. Bonds Issued Senior Unsecured Senior unsecured debt The amount of senior unsecured bonds other than TLAC issued by the entity. Bonds Issued Covered Covered bonds The amount of covered bonds issued by the entity. Subordinated Liabilities High Trigger Loss Absorbing Tier One of which: eligible as high-trigger loss-absorbing additional tier 1 capital instruments The amount of liabilities from high-trigger loss-absorbing additional tier 1 capital instruments that are subordinate to other liabilities with respect to claims. High-trigger loss-absorbing additional tier 1 capital instruments Subordinated Liabilities Low Trigger Loss Absorbing Tier One of which: eligible as low-trigger loss-absorbing additional tier 1 capital instruments The amount of liabilities from low-trigger loss-absorbing additional tier 1 capital instruments that are subordinate to other liabilities with respect to claims. Low-trigger loss-absorbing additional tier 1 capital instruments Subordinated Liabilities Non Basel III Compliant Tier Two of which: eligible as non-Basel III-compliant tier 2 capital instruments The amount of liabilities from non Basel III-compliant tier 2 capital instruments that are subordinate to other liabilities with respect to claims. Long Term Debt Issued Through Central Bond Institutions Swiss Debt issued through the Swiss central mortgage institutions The amount of debt issued through the central bond institutions of the Swiss regional or cantonal banks The amount of other miscellaneous long-term debt issued by the entiy Other long-term debt Other Long Term Debt Issued Financial liabilities related to unit-linked investment contracts The amount of financial liabilities related to unit-linked investment contracts. Amount Due Under Unit-linked Investment Contracts Compensation-related liabilities The amount of compensation-related liabilities. Compensation-related Liabilities Payables From Taxes Other Than Income Tax VAT, withholding tax and other tax payables The amount of value-added taxes and other tax payables for current and prior periods to the extent unpaid. Financial Instrument [Axis] The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table. Government Bills Bonds [Member] Government bills / bonds This member relates to government bills and/or bonds. of which: Government bills / bonds Corporate And Municipal Bonds [Member] Corporate and municipal bonds This member relates to corporate and municipal bonds. of which: Corporate and municipal bonds Loans And Advances To Customers [Member] of which: Loans This member relates to loans and advances the entity has made to customers. Loans and advances to customers Asset Backed Securities [Member] Asset-backed securities of which: Asset-backed securities This member relates to asset backed securities. This member relates to financial assets for unit linked investment contracts. Financial assets for unit-linked investment contracts Financial Assets For Unit Linked Investment Contracts [Member] of which: Financial assets for unit-linked investment contracts This member relates to interest rate contracts. Interest rate Interest Rate Contracts [Member] of which: Interest rate This member relates to credit derivative contracts. Credit Credit Derivative Contracts [Member] of which: Credit Foreign Exchange Contracts [Member] Foreign exchange This member relates to foreign exchange contracts. of which: Foreign exchange Equity Index Contracts [Member] Equity / index This member relates to equity and/or index contracts. of which: Equity / index Commodity Contracts [Member] Commodities This member relates to commodity contracts. of which: Commodities Deferred Day-1 Profit Or Loss [Line Items] Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Increase Decrease Through Net Exchange Differences Aggregate Difference Between Fair Value At Initial Recognition And Amount Determined Using ValuationTechnique Yet To Be Recognised Foreign currency translation The increase (decrease) in the aggregate difference between the fair value at initial recognition and the transaction price of financial instruments yet to be recognised in profit or loss resulting from foreign currency translation. Interest Rate Contracts Net [Member] Interest rate derivative contracts, net This member relates to interest rate derivative contracts, net. Interest rate Credit Derivative Contracts Net [Member] Credit derivatives, net This member relates to credit derivative contracts, net. Credit Foreign Exchange Contracts Net [Member] Foreign exchange derivatives, net This member relates to foreign exchange contracts, net. Equity Index Contracts Net [Member] Equity / index derivatives, net This member relates to equity and/or index contracts, net. Equity / index Other Financial Instruments Net [Member] Other This member relates to other financial instruments. Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Foreign Currency Translation Impact Foreign currency translation This element represents the impact of foreign currency translation on the fair value of assets which is measured on a recurring basis using significant unobservable inputs reconciliation (Level 3). Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Foreign Currency Translation Impact Foreign currency translation This element represents the impact of foreign currency translation on the fair value of liability which is measured on a recurring basis using significant unobservable inputs reconciliation (Level 3). Cash and balances at central banks Cash And Bank Balances At Central Banks [Member] This member relates to cash and balances with central banks. Cash collateral receivables on derivative instruments This member relates to cash collateral receivables on derivative instruments. Cash Collateral Receivables On Derivative Instruments [Member] Market Comparable And Securitization Model [Member] Market comparable and securitization model This member stands for a specific valuation technique consistent with the market approach and available securitization model. Cash Collateral Payables On Derivative Instruments [Member] Cash collateral payables on derivative instruments This member relates to cash collateral payables on derivative instruments. Other Financial Assets At Amortised Cost The amount of other financial assets that are held at amortized cost. Other financial assets measured at amortized cost Total other financial assets measured at amortized cost of which: Other financial assets measured at amortized cost Other Financial Liabilities At Amortised Cost Other financial liabilities measured at amortized cost The amount of other financial liabilities that are held at amortized cost. Total other financial liabilities measured at amortized cost Forward Starting Transactions Reverse Repurchase And Securities Borrowing Agreements [Member] Forward starting reverse repurchase and securities borrowing agreements This member relates to forward starting transactions, reverse repurchase and securities borrowing agreements. Receivables from securities financing transactions measured at amortized cost Reverse Repurchase Agreements And Cash Collateral On Securities Borrowed [Member] This member relates to reverse repurchase agreements and cash collateral on securities borrowed. Repurchase agreements Foreign Exchange Rates [Line Items] Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Disclosure Of Litigation Regulatory And Similar Matters [Line Items] Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Disclosure Of Litigation Regulatory And Similar Matters [Table] Schedule disclosing information related to litigation, regulatory and similar matters. Minimum Total Claims Against All Defendants Minimum total claims against all defendants The minimum amount of total claims against all defendants. Litigation Regulatory And Similar Matters [Axis] The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table. Litigation Regulatory And Similar Matters [Member] This member refers to all litigation, regulatory and similar matters. Interest Income From Hedging Instruments Cash Flow Hedges The amount of interest income from derivative instruments designated as hedging instruments for cash flow hedges. Interest income from derivative instruments designated as cash flow hedges Disclosure Of Designated Financial Liabilities At Fair Value Through Profit Or Loss Debt issued designated at fair value The disclosure of financial liabilities designated at fair value through profit or loss. Notes Litigation Regulatory And Similar Matters [Line Items] Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Disclosure Of Legal Proceedings Provision Explanatory Provisions for litigation, regulatory and similar matters, by business division and in Group Items The disclosure of provisions for litigation, regulatory and similar matters. Disclosure Of Foreign Exchange Rates Explanatory Currency translation rates The disclosure of foreign exchange rates. Settlement And Clearing Accounts Assets Settlement and clearing accounts The amount of receivables in settlement and clearing accounts. Settlement And Clearing Accounts Liabilities Settlement and clearing accounts Amounts payable for money transfers, money orders, and consumer payment service arrangements. Settlement liabilities include amounts payable to intermediaries for global payment transfers. Cash And Bank Balances At Central Banks Classified As Cash Equivalents Cash and balances at central banks classified as cash equivalents of which: cash and balances at central banks A classification of cash equivalents representing cash and bank balances at central banks. Disclosure Of Fair Value Measurement [Line Items] Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Disclosure of significant unobservable inputs used in fair value measurement [line items] Statement Of Comprehensive Income [Table] Schedule disclosing information related to details of statement of comprehensive income. Disclosure Of Deferred Day-One Profit Or Loss Explanatory The disclosure of deferred day-one profit or loss. Deferred day-1 profit or loss reserves UBS Group AG (consolidated) Consolidated Entities Domain [Member] Components, elimination, non-segment corporate-level activity and reconciling items used in consolidating a parent entity and its subsidiaries or its operating segments. Debt Securities Issued At Fair Value Through Profit Or Loss Designated As Upon Initial Recognition Debt issued designated at fair value The amount of debt issued designated at fair value. Total debt issued designated at fair value Other Financial Liabilities At Fair Value Through Profit Or Loss Designated As Upon Initial Recognition Other financial liabilities designated at fair value The amount of other financial liabilities designated at fair value. Total other financial liabilities designated at fair value Madoff Luxembourg [Member] Madoff | claims filed in Luxembourg by liquidators of two Luxembourg funds against UBS entities, non-UBS entities and certain individuals This member refers to claims related to Bernard L. Madoff Investment Securities LLC (BMIS) investment fraud filed in Luxembourg. Brokerage Receivables Measured At Fair Value Through Profit Or Loss Brokerage receivables The amount of brokerage receivables mandatorily measured at fair value through profit or loss. Brokerage Payables Measured At Fair Value Through Profit Or Loss Brokerage payables designated at fair value The amount of brokerage payables designated at fair value through profit or loss. Adjustments For Due From To Banks Amounts due from banks and amounts due to banks Adjustments for decrease (increase) in net due from/to banks to reconcile profit (loss) to net cash flow from (used in) operating activities. Adjustments For Cash Collateral On Derivative Instruments Cash collateral on derivative instruments Adjustments for decrease (increase) in net cash collateral on derivative instruments to reconcile profit (loss) to net cash flow from (used in) operating activities. Adjustments For Decrease Increase In Financial Assets And Financial Liabilities Held For Trading And Derivative Financial Instruments Financial assets and liabilities at fair value held for trading and derivative financial instruments Adjustments for decrease (increase) in financial assets/liabilities held for trading and derivative financial instruments to reconcile profit (loss) to net cash flow from (used in) operating activities. of which: Financial assets and liabilities at fair value held for trading and derivative financial instruments Adjustments For Decrease Increase In Brokerage Receivables And Brokerage Payables Brokerage receivables and payables Adjustments for decrease (increase) in brokerage receivables and payables to reconcile profit (loss) to net cash flow from (used in) operating activities. Adjustments For Decrease Increase In Other Financial Assets And Other Financial Liabilities Financial assets at fair value not held for trading and other financial assets and liabilities Adjustments for decrease (increase) in other financial assets and liabilities to reconcile profit (loss) to net cash flow from (used in) operating activities. of which: Financial assets at fair value not held for trading and other financial assets and liabilities Segment GWM [Member] Global Wealth Management This member stands for the business division Global Wealth Management. of which: Global Wealth Management Goods Or Services Transferred On Recurring Basis [Member] of which: recurring This member stands for goods or services transferred to customers on a recurring basis. Structured Securities Financing Transactions [Member] Securities financing transactions This member relates to structured securities financing transactions. of which: Securities financing transactions Auction Rate Securities [Member] Auction rate securities This member relates to auction rate securities. of which: Auction rate securities Debt Securities Issued At Fair Value Through Profit Or Loss Designated As UponInitial Recognition [Member] Debt issued designated at fair value This member stands for debt issued designated at fair value. Other Financial Liabilities At Fair Value Through Profit Or Loss Designated As Upon Initial Recognition [Member] Other financial liabilities designated at fair value This member stands for the other financial liabilities designated at fair value. Amount Due Under Unit Linked Investment Contracts [Member] Amounts due under unit-linked investment contracts This member relates to amounts related to unit-linked investment contracts. of which: Financial liabilities related to unit-linked investment contracts Traded Loans Loans At Fair Value Loan Commitments And Guarantees [Member] Loans at fair value (held for trading and not held for trading) and guarantees This member relates to loans at fair value (held for trading and not held for trading) and guarantees. Financial assets and liabilities at fair value held for trading, Financial assets at fair value not held for trading: Loans at fair value (held for trading and not held for trading) and guarantees On Balance Sheet Financial Instruments [Member] Total on-balance sheet financial assets in scope of ECL requirements Total on balance sheet financial instruments This member relates to on-balance sheet financial instruments. Other Financial Assets At Amortised Cost [Member] Other financial assets measured at amortized cost This member stands for the other financial assets measured at amortized cost. Committed Revocable Credit Lines [Member] Committed unconditionally revocable credit lines This member relates to committed revocable credit lines. Committed unconditionally revocable credit lines / Unconditionally revocable loan commitments Irrevocable Committed Prolongation Of Loans [Member] Irrevocable committed prolongation of existing loans This member relates to irrevocable committed prolongation of existing loans. Real Estate Loan [Member] Real estate financing This member relates to real estate loan. of which: Real estate financing Small Medium Enterprise [Member] SME clients This member relates to small and medium-sized enterprise. of which: SME clients Other Financial Assets At Amortised Cost Miscellaneous Other The amount of other miscellaneous financial assets that are held at amortized cost. Precious metals and other physical commodities The amount of precious metals and other physical commodities. Other Financial Liabilities At Amortised Cost Miscellaneous Other The amount of other miscellaneous financial liabilities that are held at amortized cost. Structured Securities Financing Transactions Securities financing transactions The amount of structured securities financing transactions. Personnel Related Restructuring Provision Personnel-related restructuring provisions The amount of personnel-related provision for restructuring, such as the sale or termination of a line of business; closure of business locations in a country or region or relocation of activities from one country or region to another; changes in management structure; and fundamental reorganisations that have a material effect on the nature and focus of the entity's operations. [Refer: Other provisions] Loans And Advances To Banks [Member] Amounts due from banks This member relates to loans and advances to banks. Amounts due from banks Fair Value Measurement [Line Items] Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Disclosure Of Provisions Breakdown Explanatory Overview of total provisions and contingent liabilities The disclosure of provisions. Other Non-Financial Assets [Line Items] Other assets disclose reportable information associated with domain members defined in one or many axes of the table. Other Non Financial Assets Miscellaneous Other The amount of other miscellaneous non-financial assets. Other Non-Financial Liabilities [Line Items] Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Other Non Financial Liabilities Miscellaneous Other The amount of other miscellaneous non-financial liabilities. Loss Contingency Damages Sought Value Amounts claimed The value (monetary amount) of the award the plaintiff seeks in the legal matter. Other non-financial assets, at fair value Other non-financial assets Total other non-financial assets The fair value amount of other non-financial assets. Other non-financial assets measured at fair value Credit Card [Member] Credit cards This member stands for credit card facilities. of which: Credit cards Financial Intermediaries And Hedge Funds [Member] Financial intermediaries and hedge funds This member relates to financial intermediaries and hedge funds. of which: Financial intermediaries and hedge funds Commodity Trade Finance [Member] Commodity trade finance This member relates to commodity trade finance. of which: Commodity trade finance Loans To Financial Advisors [Member] Loans to financial advisors This member relates to loans to financial advisors. Foreign Exchange Rates [Table] Schedule disclosing information related to details of foreign exchange rates used. Equity Classified As Obligation To Purchase Own Shares Equity classified as obligation to purchase own shares The increase (decrease) in equity resulting from purchase of own shares Sensitivity Of Fair Value Measurement To Changes In Unobservable Inputs Assets And Liabilities [Table] Schedule disclosing information related to details of sensitivity of fair value measurements to changes in unobservable input assumptions. Interest Income From Debt Instruments Measured At Fair Value Through Other Comprehensive Income Interest income from debt instruments measured at fair value through other comprehensive income The amount of interest income from debt instruments measured at fair value through other comprehensive income. Net Interest Income From Financial Instruments Measured At Amortized Cost And Fair Value Through Other Comprehensive Income Total net interest income from financial instruments measured at amortized cost and fair value through other comprehensive income The total amount of net interest income from financial instruments measured at amortized cost and fair value through other comprehensive income Increase Decrease Through Net Exchange Differences Recognized Directly In Retained Earnings Translation effects recognized directly in retained earnings The increase (decrease) in equity resulting from translation effects recognized directly in retained earnings. Debt Instruments Held Measured At Amortized Cost Debt securities The amount of instruments representing indebtedness measured at amortized cost held by the entity. Derivative [Table] Schedule that describes and identifies a derivative or group of derivatives on a disaggregated basis, such as for individual instruments, or small groups of similar instruments. May include a combination of the type of instrument, risks being hedged, notional amount, hedge designation, related hedged item, inception date, maturity date, or other relevant item. Assets After Consideration Of Netting Potential Assets, after consideration of further netting potential The amount of assets after consideration of netting potential. Liabilities After Consideration Of Netting Potential Liabilities, after consideration of further netting potential The amount of liabilities after consideration of netting potential. Other Assets And Other Liabilities [Line Items] Schedule disclosing information related to significant unobservable inputs used in the fair value measurement of assets and liabilities. Disclosure Of Significant Unobservable Inputs Used In Fair Value Measurement [Table] The amount of salaries and variable compensation. Salaries and variable compensation Wages And Salaries And Variable Compensation Net Interest Income [Line Items] Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Other Net Income From Financial Instruments Measured At Fair Value Through Profit Or Loss Other net income from financial instruments measured at fair value through profit or loss The amount of other net income from financial instruments measured at fair value through profit or loss. Disclosure Net Interest Income [Line Items] Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Disclosure Net Interest Income Explanatory The disclosure of net interest income. Net interest income Disclosure Of Other Assets And Other Liabilities Explanatory Other assets and liabilities The disclosure of other assets and other liabilities. Commodity Linked Issued Debt Instruments Designated At Fair Value Through Profit Or Loss The amount of commodity-linked debt instruments that have been issued and are designated at fair value. Commodity-linked TLAC Eligible Senior Unsecured Debt Instruments At Fair Value In Gone Concern Loss Absorbing Capacity The amount of total loss-absorbing capacity (TLAC)-eligible senior unsecured debt designated at fair value included in gone concern loss-absorbing capacity. of which: debt that contributes to total loss-absorbing capacity Expected Credit Losses Economic Scenario [Axis] The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table. Expected Credit Losses Economic Scenario [Member] This member stands for all economic scenarios used in the calculation of expected credit losses. It also represents the standard value for the 'Expected Credit Losses Economic Scenario' axis if no other member is used. TLAC Eligible Senior Unsecured Debt Instruments At Amortised Cost In Gone Concern Loss Absorbing Capacity of which: contributes to total loss-absorbing capacity The amount of total loss-absorbing capacity (TLAC)-eligible senior unsecured debt measured at amortized cost included in gone concern loss-absorbing capacity. Increase Decrease Through Changes In Retained Earnings Of Associates And Joint Ventures Share of changes in retained earnings of associates and joint ventures The increase (decrease) in equity resulting from changes in retained earnings of associates and joint ventures. Disclosure of Key Macro Economic Variables Used For Expected Credit Loss Model [Line Items] Economic Forecast Economic forecast The forecasted amount of economic assumptions. A positive amount indicates growth projections whereas a negative amount indicates deficit projection. Upside Scenario [Member] Asset price appreciation This member stands for upside economic scenarios used in the calculation of expected credit losses. Baseline Scenario [Member] Baseline This member stands for baseline economic scenarios used in the calculation of expected credit losses. Economic Assumptions [Axis] The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table. Economic Assumptions [Member] This member stands for all types of economic assumptions. Gross Domestic Product [Member] Real GDP growth (annual percentage change) This member stands for changes of gross domestic product (GDP). Unemployment Rate [Member] Unemployment rate (%, annual average) This member stands for unemployment rate. Eurozone [Member] Eurozone This member relates to Eurozone. Disclosure Of Sensitivity Analysis Of Fair Value Measurement To Changes In Unobservable Inputs Assets And Liabilities [Line Items] Disclosure of sensitivity analysis of fair value measurement to changes in unobservable inputs, assets [line items] Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Increase In Fair Value Measurement Due To Change In Multiple Unobservable Inputs To Reflect Reasonably Possible Alternative Assumptions Assets And Liabilities Favorable changes The amount of increase in the fair value measurement of assets due to a change in multiple unobservable inputs to reflect reasonably possible alternative assumptions. Decrease In Fair Value Measurement Due To Change In Multiple Unobservable Inputs To Reflect Reasonably Possible Alternative Assumptions Assets And Liabilities Decrease in fair value measurement due to change in multiple unobservable inputs to reflect reasonably possible alternative assumptions, assets The amount of decrease in the fair value measurement of assets due to a change in multiple unobservable inputs to reflect reasonably possible alternative assumptions. Unfavorable changes Significant Unobservable Input Assets And Liabilities Significant unobservable input(s) The value of significant unobservable input used in the measurement of the fair value of assets and liabilities. Bond Price Equivalent Measurement Input [Member] Bond price equivalent This member stands for bond price equivalent used as a significant Level 3 unobservable input. Loan Price Equivalent Measurement Input [Member] Loan price equivalent This member stands for loan price equivalent used as a significant Level 3 unobservable input. Funding Spread Measurement Input [Member] Funding spread This member stands for the funding spread used as a measurement input. Historical Volatility For Interest Rates Measurement Input [Member] Volatility of interest rates This member stands for the historical volatility for interest rates used as a measurement input. Equity dividend yields This member stands for equity dividend yields used as a measurement input. Equity Dividend Yields Measurement Input [Member] Equity To FX Correlation Measurement Input [Member] Equity-to-FX correlation This member stands for the equity-to-FX correlation used as a measurement input. Equity To Equity Correlation Measurement Input [Member] Equity-to-equity correlation This member stands for the equity-to-equity correlation used as a measurement input. Provisions For Expected Credit Losses On Loan Commitments And Financial Guarantee Contracts Provisions for expected credit losses The amount of the provisions for expected credit losses on loan commitments and financial guarantee contracts. Total ECL provisions Provisions related to expected credit losses (IFRS 9, Financial Instruments) Disclosure Of Key Macro Economic Variables Explanatory The disclosure of the key macro-economic variables used for modelling ECL. Comparison of shock factors / Economic scenarios and weights applied Allowance For Credit Losses On Financial Assets And Provisions For Expected Credit Losses On Loan Commitments And Financial Guarantee Contracts Total ECL allowances and provisions Total allowance and provisions The total amount of allowances for impairments to financial assets due to credit losses and provisions for expected credit losses on loan commitments and financial guarantee contracts. This member stands for goods or services transferred to customers on a performance-based basis. of which: performance-based Goods Or Services Transferred On Performance-based Basis [Member] The amount of revenue arising from interest for financial assets that are measured at amortised cost. Interest income from other financial instruments measured at amortized cost Interest Income For Other Financial Assets Measured At Amortised Cost The percentage of scenario weights applied. Assigned weights Scenario Weights Scenario weights The maximum percentage of dividends that may be paid from capital contribution reserves under Swiss tax law. Maximum percentage of dividends that may be paid from capital contribution reserves Maximum Percentage Of Dividends That May Be Paid From Capital Contribution Reserves Currency Translation Rate [Axis] All Currencies Exchange Rate [Member] This member stands for all currency exchange rates. This member stands for currency translation rate of 1 CHF to the presentation currency. CHF Currency Exchange Rate [Member] 1 CHF EUR Currency Exchange Rate [Member] 1 EUR This member stands for currency translation rate of 1 EUR to the presentation currency. 1 GBP This member stands for currency translation rate of 1 GBP to the presentation currency. GBP Currency Exchange Rate [Member] JPY Currency Exchange Rate [Member] 100 JPY This member stands for currency translation rate of 100 JPY to the presentation currency. Real Estate [Member] Real estate (annual percentage change, Q4) This member stands for changes in real estate prices. Disclosure Of Key Macro Economic Variables Used For Expected Credit Loss Model [Table] Schedule disclosing information related to the relationship between key macro economic variables used for ECL model and expected credit loss. Post-employment Benefit Plans Expense Post-employment benefit plans The amount of post-employment benefit expense relating to various types of defined benefit plans and other defined contribution plans. Total post-employment benefit plan expenses Other Loans And Advances To Customers [Member] Other loans and advances to customers This member relates to other loans and advances the entity has made to customers. On-balance Sheet Loan Portfolio [Member] Total This member stands for total on-balance sheet loan portfolio. On-balance sheet Other Off-balance Sheet Commitments [Member] Other off-balance sheet commitments This member relates to other off-balance sheet commitments. Off-balance Sheet Loan Portfolio [Member] Total This member stands for total off-balance sheet loan portfolio. Other Income [Table] Schedule disclosing information related to other income. Minimum Percentage By Which Captal Contribution Reserves Are Reduced Upon Cancellation Of The Shares Minimum percentage of the total capital reduction amount exceeding the nominal value by which captal contribution reserves are reduced upon cancellation of the shares The minimum percentage of the total capital reduction amount exceeding the nominal value by which captal contribution reserves are reduced upon cancellateion of the shares under Swiss tax law. Valuation Adjustment Reserves On The Balance Sheet [Line Items] Number Of Own Registered Shares Acquired And Cancelled As Part Of Share Repurchase Program Own shares purchased and cancelled as part of the 2024 share repurchase program Number of own shares that have been repurchased and subsequently cancelled as part of the share repurchase program. Information Technology Expenses Technology costs The amount of expense incurred in the period for rent and maintenance of IT and other equipment. Occupancy Property Management Expense Real estate and logistics costs The amount of expense arising from occupancy services received by the entity and relating to property management. Market Data Services Expense Market data services The amount of expense relating to market data services. Travel And Entertainment Expense Travel and entertainment The amount of expense arising from travel and entertainment. General And Administrative Provisions And Losses Litigation, regulatory and similar matters The amount of net expenses for provisions for litigation, regulatory and similar matters. Assets Included In Disposal Groups Classified As Held For Sale Assets of disposal groups held for sale The amount of assets included in disposal groups classified as held for sale. Precious Metals And Other Physical Commodities Measured At Fair Value Precious metals and other physical commodities The fair value amount of precious metals and other physical commodities. Assets Measured At Fair Value Total assets measured at fair value The amount of financial and non-financial assets measured at fair value. Total Level 3 assets Other Financial Liabilities At Amortised Cost Excluding Lease Liabilities Other financial liabilities measured at amortized cost excluding lease liabilities The amount of other financial liabilities that are held at amortized cost excluding lease liabilities. Issued Capital And Share Premium [Member] Share capital and share premium This member stands for a component of equity representing issued capital and the amount received or receivable from issuance of the entity's shares in excess of nominal value. Real Estate Lending [Member] Total real estate lending This member relates to a class of financial assets that represents private clients with mortgages and real estate financing. Real estate lending (on-balance sheet) Corporate Lending [Member] Total corporate lending This member relates to loans made to corporate entities and small and medium-sized enterprise. Corporate lending (on-balance sheet) Other Lending [Member] Total other lending This member relates to a class of financial assets that represents total other lending. Reserve Of Change In Fair Value Of Financial Liability Attributable To Change In Credit Risk Of Liability Debt Issued Designated At Fair Value of which: debt issued designated at fair value A component of equity representing the accumulated change in fair value of debt issued designated at fair value attributable to change in the credit risk of the liabilities. Reserve Of Change In Fair Value Of Financial Liability Attributable To Change In Credit Risk Of Liability Other Financial Liabilities Designated At Fair Value of which: other financial liabilities designated at fair value A component of equity representing the accumulated change in fair value of other financial liabilities designated at fair value attributable to change in the credit risk of the liabilities. Gains Losses On Financial Assets Reclassified Out Of Measured At Fair Value Through Other Comprehensive Income Into Measured At Amortised Cost Before Tax Reclassification of financial assets to Other financial assets measured at amortized cost The gains (losses) recognised in other comprehensive income related to reclassification of financial assets out of measured at fair value through other comprehensive income category into measured at amortised cost category, before tax. Reclassification of financial assets to Other financial assets measured at amortized cost, before tax Disclosure Of Derivative Financial Assets And Liabilities [Line Items] Disclosure Of Derivative Financial Assets And Liabilities Explanatory The disclosure of derivative financial assets and derivative financial liabilities. Derivative instruments Disclosure Of Valuation Adjustment Reserves On The Balance Sheet Explanatory The disclosure of valuation adjustment reserves on the balance sheet. Other valuation adjustment reserves on the balance sheet Disclosure Of Sensitivity Analysis Of Fair Value Measurement To Changes In Unobservable Inputs Assets And Liabilities Explanatory Sensitivity of fair value measurements to changes in unobservable input assumptions Disclosure Of Significant Unobservable Inputs Used In Fair Value Measurement Of Assets And Liabilities Explanatory Valuation techniques and inputs used in the fair value measurement of Level 3 assets and liabilities Disclosure Of Level 3 Of Fair Value Of Financial Instruments Explanatory The disclosure of the level 3 of fair value of financial instruments. Movements of Level 3 instruments Disclosure Of Fair Value Of Financial Instruments Not Measured At Fair Value Explanatory The disclosure of the fair value of financial instruments not measured at fair value. Financial instruments not measured at fair value Disclosure Of Other Financial Assets Measured At Amortised Cost Explanatory The disclosure of other financial assets measured at amortised cost. Other financial assets measured at amortized cost Disclosure Of Other Non Financial Assets Explanatory The disclosure of other non-financial assets. Other non-financial assets Disclosure Of Other Financial Liabilities Measured At Amortized Cost Explanatory The disclosure of other financial liabilities measured at amortized cost. Other financial liabilities measured at amortized cost Disclosure Of Other Financial Liabilities Measured At Fair Value Explanatory The disclosure of other financial liabilities measured at fair value. Other financial liabilities designated at fair value Disclosure Of Other Non Financial Liabilities Explanatory The disclosure of other non-financial liabilities. Other non-financial liabilities Disclosure Of Coverage Ratios Explanatory Coverage ratios for core loan portfolio Disclosure Net Interest Income Tables Explanatory The disclosure of net interest income. Net interest income Disclosure Of Fee And Commission Income Expense Tables Explanatory Net fee and commission income Disclosure Of Employee Benefits Tables Explanatory Personnel expenses Disclosure Of General And Administrative Expense Tables Explanatory General and administrative expenses Interest Income Expense For Financial Instruments At Fair Value Through Profit Or Loss And Other The amount of net interest income on financial instruments that are at fair value through profit or loss and other, excluding dividend income. Net interest income from financial instruments measured at fair value through profit or loss and other Total net interest income from financial instruments measured at fair value through profit or loss and other Disclosure Of Other Income [Abstract] Financial Assets And Exposure To Credit Risk On Loan Commitments And Financial Guarantee Contracts In Core Loan Portfolio Total on- and off-balance sheet The total amount of financial assets, loan commitments and financial guarantee contracts in on- and off-balance sheet loan portfolio, in scope of expected credit loss measurement. Increase Decrease Expected Credit Loss Rate Increase decrease in ECL coverage Increase or decrease in the rate of expected credit losses, calculated as percentage of the gross carrying amount. Expected credit losses are the weighted average of credit losses with the respective risks of a default occurring as the weights. Disclosure Of Litigation Regulatory And Similar Matters Segments [Table] Schedule disclosing information related to litigation, regulatory and similar matters per operating segment. Disclosure Of Material Accounting Policies [Abstract] Disclosure Of Material Accounting Policy Information [Line Items] Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Disclosure Of Material Accounting Policies Descriptions [Line Items] Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Disclosure Of Provision Matrix Details [Abstract] Document And Entity Information [Abstract] Disclosure Of Litigation Regulatory And Similar Matters [Abstract] Disclosure Of General And Administrative Expense [Abstract] Fair Value Measurement [Abstract] Disclosure Of Other Assets And Other Liabilities [Abstract] Disclosure Of Net Interest Income [Abstract] Disclosure Of Other Assets [Abstract] Disclosure Of Other Liabilities [Abstract] Disclosure Of Derivative Financial Instruments [Abstract] Disclosure Offsetting Financial Assets And Financial Liabilities [Abstract] Foreign Exchange Rates Details [Abstract] Expense On Variable Compensation Financial Advisors of which: variable compensation - financial advisors The amount of variable compensation specifically for financial advisors in the business division Global Wealth Management. Madoff BMIS Trustee [Member] Madoff | claims filed in the US by BMIS Trustee against UBS entities and various other parties This member refers to claims related to Bernard L. Madoff Investment Securities LLC (BMIS) Trustee investment fraud filed in the US. Other Financial Liabilities At Fair Value Through Profit Or Loss Over The Counter Debt Instruments And Miscellaneous Over-the-counter debt instruments and other The amount of over-the-counter debt instruments and other miscellaneous financial liabilities that are designated at fair value. Commercial Paper And Certificates Of Deposit [Member] of which: Commercial paper and certificates of deposit This member relates to commercial paper and certificates of deposit. Credit Suisse [Member] Credit Suisse Credit Suisse Money Market Paper In Financial Assets Measured At Fair Value Through Other Comprehensive Income Money market paper in financial assets measured at fair value through other comprehensive income The amount in financial assets measured at fair value through other comprehensive income in the form of money market paper. Money Market Paper In Financial Assets At Fair Value Held For Trading Money market paper in financial assets at fair value held for trading The amount in financial assets at fair value held for trading in the form of money market paper. Money Market Paper In Financial Assets At Fair Value Not Held For Trading Money market paper in financial assets at fair value not held for trading The amount of financial assets at fair value not held for trading in the form of money market paper. Money Market Paper In Other Financial Assets Measured At Amortized Cost Money market paper in other financial assets measured at amortized cost The amount of other financial assets measured at amortized cost in the form of money market paper. Interest Rate [Member] Fixed income: 10-year government bonds (%, Q4) This member stands for 10-year government bonds yield. Consumer Financing [Member] Consumer financing This member relates to consumer financing. of which: Consumer financing Ship Aircraft [Member] Ship / aircraft financing This member relates to ship and aircraft financing. of which: Ship / aircraft financing Other Risk [Member] Other This member relates to loan commitments measured at FVTPL and unsettled purchases and sales of non-derivative financial instruments. Disposal And Redemption Of Debt Securities Measured At Amortized Cost The cash inflow from sales or maturity of debt securities measured at amortized cost. Disposal and redemption of debt securities measured at amortized cost Purchase Of Debt Securities Measured At Amortized Cost The cash outflow for the purchase of debt securities measured at amortized cost. Purchase of debt securities measured at amortized cost Bond Currency Axis [Axis] All Bond Currencies [Member] This member stands for all bond currencies. Bond Currency USD [Member] USD This member stands for bond currency USD. Bond Currency EUR [Member] EUR This member stands for bond currency EUR. Bond Currency CHF [Member] CHF This member stands for bond currency CHF. Credit Valuation Adjustments Credit valuation adjustments The amount of valuation adjustments made on financial instruments which represents the estimated fair value of protection required to hedge the counterparty credit risk of OTC derivative instruments, including funded derivative instruments that are classified as Financial assets at fair value not held for trading. Other Valuation Adjustments Other valuation adjustments The amount of other valuation adjustments made on financial instruments. Liquidity Valuation Adjustments of which: liquidity The amount of valuation adjustments made on financial instruments relating to liquidity. Model Uncertainty Valuation Adjustments of which: model uncertainty The amount of valuation adjustments made on financial instruments relating to model uncertainty. Provisions Other Balance at the end of period The amount of provisions other than provisions for expected credit losses and provisions related to loan commitments. Provisions related to litigation, regulatory and similar matters (IAS 37, Provisions, Contingent Liabilities and Contingent Assets) Balance as of 31 December 2025 Balance as of 30 June 2026 Funding And Debit Valuation Adjustments Funding and debit valuation adjustments The amount of valuation adjustments made on financial instruments which reflect the costs and benefits of funding associated with uncollateralized and partially collateralized derivative receivables and payables, and adjustment made to the measurement of derivative liabilities to reflect the own credit risk of the entity. Price Measurement Input [Member] Price This member stands for price used as a measurement input. IR To IR Correlation Measurement Input [Member] IR-to-IR correlation This member stands for IR-to-IR correlation used as a measurement input. Recovery Rates Measurement Input [Member] Recovery rates This member stands for recovery rates used as a measurement input. Damage Award Geneva Criminal Court Damage award Geneva criminal court Damages award announced in the verdict of the Geneva criminal court. Fine Decision Swiss Federal Criminal Court Fine decision Swiss Federal Criminal Court Fine decision Swiss Federal Criminal Court. Client Assets Seized Decision Swiss Federal Criminal Court Client assets seized decision Swiss Federal Criminal Court The amount of client assets seized by the court. Compensatory Claim Ordered Decision Swiss Federal Criminal Court Compensatory claim ordered decision Swiss Federal Criminal Court The amount of compensatory claim to be paid. Mortgage Related Matters [Member] Mortgage-related matters This member refers to mortgage-related matters. Asset Backed Securities Corporation Home Equity Loan Trust [Member] Mortgage-related matters | Action brought by Asset Backed Securities Corporation Home Equity Loan Trust, Series 2006-HE7 This member refers to action brought by Asset Backed Securities Corporation Home Equity Loan Trust, Series 2006-HE7. Home Equity Asset Trust Series 2006 8 [Member] Mortgage-related matters | Action brought by Home Equity Asset Trust, Series 2006-8 This member refers to action brought by Home Equity Asset Trust, Series 2006-8. Home Equity Asset Trust 2007 2 [Member] Mortgage-related matters | Action brought by Home Equity Asset Trust 2007-2 This member refers to action brought by Home Equity Asset Trust 2007-2. Customer Account Matters [Member] Customer account matters This members refers to customer account matters. Former Relationship Manager [Member] Customer account matters | Former relationship manager This member refers to criminal judgement of a former Swiss relationship manager. Singapore Civil Lawsuits [Member] Customer account matters | Singapore civil lawsuits This member refers to a civil lawsuit brought in Singapore. Bulgarian Former Clients Matter [Member] Bulgarian former client matter This member refers to a historical relationship with former clients alleged to have laundered funds through Credit Suisse AG accounts. Disclosure Of Credit Loss Expense Recovery Explanatory Credit loss expense / (release) Interest Income From Securities Financing Transactions Measured At Amortized Cost Interest income from securities financing transactions measured at amortized cost The amount of interest income on securities borrowed and reverse repurchase agreements and negative interest, including fees, on securities lent and repurchase agreements. Deferred Income Other Deferred income The amount of liability representing income that has been received but is not yet earned. Segment NCL [Member] Non-core and Legacy This member stands for the business division Non-core and Legacy. of which: Non-core and Legacy Segment GI [Member] Group Items This member stands for Group Items. of which: Group Items Gains Losses From Acquisitions And Disposals Of Subsidiaries Net gains / (losses) from acquisitions and disposals of subsidiaries The amount of gains / (losses) from acquisitions and disposals of subsidiaries. Gains Losses From Disposals Of Investments In Associates And Joint Ventures Net gains / (losses) from disposals of investments in associates and joint ventures The amount of gains / (losses) from disposal of investments in associates and joint ventures. Other Entities Abstract Associates, joint ventures and subsidiaries Other Net Income From Properties Income from properties The amount of net income generated from properties. Other Income Other Other The amount of other miscellaneous income. Bonds Issued Senior Fixed Rate With Maturity Greater Than One Year of which: issued by UBS AG standalone with original maturity greater than one year The amount of senior fixed-rate bonds issued by the entity, which have maturity greater than one year. Debt Securities Unsecured Portion Unsecured portion of total debt issued measured at amortized cost The percentage for unsecured portion of total debt issued measured at amortized cost balance, after excluding Covered bonds, Debt issued through the Swiss central mortgage institutions, and Other long-term debt. Bonds Issued Covered Secured Portion Secured portion of Covered bonds The percentage for secured portion of Covered bonds. Long Term Debt Issued Through Central Bond Institutions Swiss Secured Portion The percentage for secured portion of Debt issued through the Swiss central mortgage institutions. Secured portion of Debt issued through the Swiss central mortgage institutions Other Long Term Debt Issued Secured Portion The percentage for secured portion of Other long-term debt. Secured portion of Other long-term debt Credit Correlation Measurement Input [Member] Credit correlation This member stands for credit correlation used as a measurement input. Credit Volatility Measurement Input [Member] Credit volatility This member stands for credit volatility used as a measurement input. Provisions For Acquiree Loan Commitments The amount of provisions related to acquiree loan commitments. Provisions related to Credit Suisse loan commitments (IFRS 3, Business Combinations) Provisions Other Miscellaneous Other provisions The amount of provisions other than provisions for expected credit losses, provisions related to loan commitments and provisions related to litigation, regulatory and similar matters, Restructuring, real-estate and other provisions (IAS 37, Provisions, Contingent Liabilities and Contingent Assets) Real Estate Provision [Member] Real estate This member stands for a provision for real estate. Real Estate Related Onerous Contracts Restructuring Provision Provisions for onerous contracts related to real estate The amount of provisions for real estate related onerous restructuring contracts. An onerous contract is a contract in which the unavoidable costs of meeting the obligation under the contract exceed the economic benefits expected to be received under it. Other Income Tables [Line Items] Other income Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Disclosure Of Other Operating Income Tables Explanatory The disclosure of other operating income in table format. Other income Rates Linked Issued Debt Instruments Designated At Fair Value Through Profit Or Loss Rates-linked The amount of rates-linked debt instruments that have been issued and are designated at fair value. Fixed Rate Issued Debt Instruments Designated At Fair Value Through Profit Or Loss Fixed-rate The amount of fixed-rate debt instruments that have been issued and are designated at fair value. Inflows Of Cash From Securities Financing Transactions Measured At Amortized Cost Inflows from securities financing transactions measured at amortized cost Reflects cash inflows from securities financing transactions measured at amortized cost that use entity's debt instruments as the underlying. Outflows Of Cash From Securities Financing Transactions Measured At Amortized Cost Outflows from securities financing transactions measured at amortized cost Reflects cash outflows from securities financing transactions measured at amortized cost that use entity's debt instruments as the underlying. Disclosure Of Derivative Financial Instruments [Line Items] Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Derivative instruments Other Consolidated Entities [Member] UBS This member stands for entity or group of entities consolidated into reporting entity, excluding Credit Suisse. Estimated Losses Not Covered By Existing Provisions Estimated losses not covered by existing provisions The amount of estimated losses not covered by existing provisions. Significant Investments In Joint Ventures [Axis] Swisscard [Member] This member refers to Swisscard. Swisscard of which: Swisscard AECS GmbH, Horgen Debt Instruments Designated At Fair Value Through Profit Or Loss With Maturity Greater Than One Year The amount of all types of debt instruments that have been issued and are designated at fair value, with original maturity greater than one year. of which: issued with original maturity greater than one year Issuer [Axis] Issuer [Domain] UBS AG Standalone [Member] This member refers to UBS AG standalone UBS AG standalone Credit Suisse International Standalone [Member] This member refers to Credit Suisse International standalone Credit Suisse International standalone Debt Instruments Designated At Fair Value Through Profit Or Loss With Maturity Greater Than One Year Unsecured Portion Unsecured portion of issued debt instruments with original maturity greater than one year The percentage of unsecured debt instruments that have been issued and are designated at fair value, with original maturity greater than one year. Subordinated Liabilities High Trigger Loss Absorbing Tier One Subject To Conversion Into Ordinary Shares The amount of liabilities from high-trigger loss-absorbing additional tier 1 capital instruments that are subordinate to other liabilities with respect to claims, subject to conversion into ordinary shares. Contingent capital instruments that are subject to equity conversion upon the occurrence of a contractual trigger event or a contractual viability event Technology Related Onerous Contracts Restructuring Provision Provisions for onerous contracts related to technology The amount of provisions for technology related onerous restructuring contracts. An onerous contract is a contract in which the unavoidable costs of meeting the obligation under the contract exceed the economic benefits expected to be received under it. Select Portfolio Servicing [Member] Select Portfolio Servicing This member refers to Select Portfolio Servicing. Gains Losses On Repurchase Of Entitys Own Debt Instruments The gains (losses) on the repurchase of entity's own debt instruments. Gains losses on repurchase of entity's own debt instruments Revised Damage Award Singapore International Commercial Court Revised damage award Singapore International Commercial Court Revised damages award announced in the verdict of the Singapore International Commercial Court. Noninterest Income Non-interest income The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified. Purchase Of Financial Assets Measured At Fair Value Classified As Investing Activities Purchase of financial assets measured at fair value The cash outflow for the purchase of financial assets measured at fair value through other comprehensive income and financial assets measured at fair value through profit or loss, classified as investing activities. Proceeds From Sales Or Maturity Of Financial Assets Measured At Fair Value Classified As Investing Activities Disposal and redemption of financial assets measured at fair value The cash inflow from sales or maturity of financial assets measured at fair value through other comprehensive income and financial assets measured at fair value through profit or loss, classified as investing activities. Portfolio Management Investment Fund And Other Management Fees Portfolio management, investment fund and related services fees The amount of income recognised from portfolio management, investment fund and other management fees. Other Fee And Commission Income Accretion Of PPA Adjustments Accretion of purchase price allocation (PPA) adjustments included in Other The amount of accretion of purchase price allocation (PPA) adjustments included in other fee and commission income. Moderate Stagflation Crisis Scenario [Member] Moderate stagflation crisis This member stands for moderate stagflation crisis economic scenario used in the calculation of expected credit losses. Global Trade War Scenario [Member] Global trade war This member stands for global trade war economic scenario used in the calculation of expected credit losses. Mild Stagflation Crisis Scenario [Member] Mild stagflation crisis This member stands for mild stagflation crisis economic scenario used in the calculation of expected credit losses. Global Crisis Scenario [Member] Global crisis This member stands for global crisis economic scenario used in the calculation of expected credit losses. Debt Securities And Other Financial Liabilities Issued At Fair Value Through Profit Or Loss Designated As Upon Initial Recognition [Member] Debt issued designated at fair value and Other financial liabilities designated at fair value This member stands for debt issued and other financial liabilities designated at fair value. Notional Amount Of Derivative Instruments Notional amounts The nominal or face amount of derivative instruments, used to calculate payments made on that instrument. Subordinated Liabilities High Trigger Loss Absorbing Tier One Subject To Write Down Of Principal Amounts Contingent capital instruments that are subject to write-down upon the occurrence of a contractual trigger event or a contractual viability event The amount of liabilities from high-trigger loss-absorbing additional tier 1 capital instruments that are subordinate to other liabilities with respect to claims, subject to write down of principal amounts. Gains Losses Recognised In Comprehensive Income Fair Value Measurement Net gains / losses that is included in comprehensive income The gains (losses) recognised in comprehensive income. Gains Losses Recognised In Income Statement Fair Value Measurement Net gains / losses recognized in the Income statement The gains (losses) recognised in the Income statement under Net interest income and Other net income from financial instruments measured at fair value through profit or loss. Gains Losses Recognised In Other Comprehensive Income Fair Value Measurement Net gains / losses recognized in the Statement of comprehensive income The gains (losses) recognised in the Statement of comprehensive income in Gains / (losses) from own credit on financial liabilities designated at fair value, before tax. Postmodel Credit Loss Expense Adjustment [Member] Post-model adjustment This member stands for expected credit losses post-model adjustment. Corporate Loans Exposure Repayment [Member] Repayment of a corporate lending exposure This member stands for the repayment of a corporate lending exposure. Disclosure Of Changes In Accounting Policies [Abstract] Disclosure Of Changes In Accounting Policies [Line Items] Debt Issued Held At Amortized Cost [Line Items] Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. Joint and Several Liability For Outstanding SEC Registered Debt Securities Issued By Indirect Subsidiary Joint and several liability for outstanding SEC-registered debt securities issued by Credit Suisse (USA), Inc. The amount of outstanding SEC-registered debt securities issued by Credit Suisse (USA), Inc., that has been fully and unconditionally guaranteed by UBS AG and UBS Group AG. Over The Counter Debt Instruments And Others [Member] Over-the-counter debt instruments and others This member relates to over-the-counter debt instruments and other instruments. of which: Over-the-counter debt instruments and others