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The amount of cash collateral pledged that is subject to an enforceable master netting arrangement or similar agreement and that is not set off against financial liabilities. [Refer: Financial liabilities]

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
-Number 7
-IssueDate 2025-01-01
-Paragraph IG40D
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-Name IFRS
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_13C_d_ii&doctype=Standard
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The amount of cash collateral received that is subject to an enforceable master netting arrangement or similar agreement and that is not set off against financial assets. [Refer: Financial assets]

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The amount of financial instruments subject to an enforceable master netting arrangement or similar agreement that are not set off against financial assets. [Refer: Financial assets]

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-Name IFRS
-Number 7
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-Name IFRS
-Number 7
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_13C_d_i&doctype=Standard
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The amount of financial instruments subject to an enforceable master netting arrangement or similar agreement that are not set off against financial liabilities. [Refer: Financial liabilities]

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IFRS
-Number 7
-IssueDate 2025-01-01
-Paragraph IG40D
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_IG40D&doctype=Implementation%20Guidance
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-Name IFRS
-Number 7
-IssueDate 2025-01-01
-Paragraph 13C
-Subparagraph d
-Clause i
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_13C_d_i&doctype=Standard
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The amount of financial assets set off against financial liabilities when an entity: (a) currently has a legally enforceable right to set off the recognised amounts; and (b) intends either to settle on a net basis, or to realise the asset and settle the liability simultaneously. [Refer: Financial assets; Financial liabilities]

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-Note Effective 2027-01-01
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_49&doctype=Standard
-URIDate 2025-03-27

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-Name IFRS
-Number 7
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-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2025-en-r&anchor=para_13C_b&doctype=Standard
-URIDate 2025-03-27

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-Note Effective 2027-01-01
-Name IFRS
-Number 19
-IssueDate 2025-01-01
-Paragraph 49
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_49&doctype=Standard
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Name:	ifrs-full_GrossFinancialAssetsSetOffAgainstFinancialLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
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The gross amount of recognised financial assets that are subject either to offsetting or to an enforceable master netting arrangement or similar agreement. [Refer: Financial assets]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2025-01-01
-Paragraph 13C
-Subparagraph a
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The amount of financial liabilities set off against financial assets when an entity: (a) currently has a legally enforceable right to set off the recognised amounts; and (b) intends either to settle on a net basis or to realise the asset and settle the liability simultaneously. [Refer: Financial assets; Financial liabilities]

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-Name IFRS
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-Note Effective 2027-01-01
-Name IFRS
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-Paragraph 49
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_49&doctype=Standard
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-Note Effective 2027-01-01
-Name IFRS
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_49&doctype=Standard
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The gross amount of recognised financial liabilities that are subject either to offsetting or to an enforceable master netting arrangement or similar agreement. [Refer: Financial liabilities]

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The amount remaining after deducting the amounts subject to an enforceable master netting arrangement or similar agreement that were not set off against financial assets, from the net amount of financial assets subject to offsetting or subject to an enforceable master netting arrangement or similar agreement presented in the statement of financial position.

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-Name IFRS
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- References

No definition available.

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The net amount of financial assets that are subject either to offsetting or to an enforceable master netting arrangement or similar agreement, presented in the statement of financial position. [Refer: Financial assets]

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-Name IFRS
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The amount remaining after deducting the amounts subject to an enforceable master netting arrangement or similar agreement that were not set off against financial liabilities, from the net amount of financial liabilities subject to offsetting or subject to an enforceable master netting arrangement or similar agreement presented in the statement of financial position.

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- References

No definition available.

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The net amount of financial liabilities that are subject either to offsetting or to an enforceable master netting arrangement or similar agreement, presented in the statement of financial position. [Refer: Financial liabilities]

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Amounts Subject To Enforceable Master Netting Arrangement Or Similar Agreement Not Set Off Against Financial Assets (Liabilities) [Abstract]

No definition available.

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Cash Collateral Pledged Subject To Enforceable Master Netting Agreement Or Similar Agreement Not Set Off Against Financial Assets (Liabilities)

No definition available.

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Financial Instruments Subject Enforceable Master Netting Arrangement Or Similar Agreement Not Set Off Against Financial Assets (Liabilities)

No definition available.

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Gross Financial Assets (Liabilities) Subject To Offsetting, Enforceable Master Netting Arrangements Or Similar Agreements

No definition available.

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Gross Financial Liabilities (Assets) Set Off Against Financial Assets (Liabilities) Subject To Offsetting, Enforceable Master Netting Arrangements Or Similar Agreements

No definition available.

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Net Financial Assets (Liabilities) Subject To Offsetting, Enforceable Master Netting Agreements Or Similar Agreements In Statements Of Financial Position

No definition available.

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Net Financial Assets (Liabilities) Subject To Offsetting, Enforceable Master Netting Arrangements Or Similar Agreements

No definition available.

Name:	nggtf_NetFinancialAssetsLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreements
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Net Financial Assets (Liabilities) Subject to Offsetting, Enforceable Master Netting Arrangements Or Similar Agreements [Abstract]

No definition available.

Name:	nggtf_NetFinancialAssetsLiabilitiesSubjectToOffsettingEnforceableMasterNettingArrangementsOrSimilarAgreementsAbstract
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