Tax - Disclosure of tax (credited)/charged to the consolidated statement of comprehensive income and equity (Details) - GBP (£) £ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 31, 2024 |
Mar. 31, 2023 |
Mar. 31, 2022 |
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| Current tax: | |||
| Share-based payments | £ (2) | £ (1) | £ 0 |
| Deferred tax: | |||
| Investments at fair value through other comprehensive income | 1 | (1) | 0 |
| Cash flow hedges, cost of hedging and own credit reserve | 56 | (7) | (12) |
| Remeasurements of pension assets and post-retirement benefit obligations | (50) | (344) | 493 |
| Share-based payments | 0 | 1 | (4) |
| Tax charged/(credited) to other comprehensive income and equity | 5 | (352) | 477 |
| Total tax recognised in the statements of comprehensive income from continuing operations | 7 | (352) | 481 |
| Total tax relating to share-based payments recognised directly in equity from continuing operations | £ (2) | £ 0 | £ (4) |
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- Definition The aggregate current and deferred tax relating to particular items that are charged or credited directly to equity, for example: (a) an adjustment to the opening balance of retained earnings resulting from either a change in accounting policy that is applied retrospectively or the correction of an error; and (b) amounts arising on initial recognition of the equity component of a compound financial instrument. [Refer: Deferred tax relating to items credited (charged) directly to equity; Retained earnings; Financial instruments, class [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of current tax relating to particular items that are charged or credited directly to equity, for example: (a) an adjustment to the opening balance of retained earnings resulting from either a change in accounting policy that is applied retrospectively or the correction of an error; and (b) amounts arising on initial recognition of the equity component of a compound financial instrument. [Refer: Retained earnings; Financial instruments, class [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of deferred tax related to items credited (charged) directly to equity. [Refer: Deferred tax expense (income)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of income tax relating to amounts recognised in other comprehensive income in relation to cash flow hedges. [Refer: Cash flow hedges [member]; Other comprehensive income] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of income tax relating to amounts recognised in other comprehensive income. [Refer: Other comprehensive income] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of income tax relating to amounts recognised in other comprehensive income in relation to investments in equity instruments that the entity has designated at fair value through other comprehensive income applying paragraph 5.7.5 of IFRS 9. [Refer: Other comprehensive income; Reserve of gains and losses from investments in equity instruments] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition The amount of income tax relating to amounts recognised in other comprehensive income in relation to remeasurements of defined benefit plans. [Refer: Other comprehensive income; Reserve of remeasurements of defined benefit plans; Defined benefit plans [member]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Current Income Tax Relating To Components Of Other Comprehensive Income And Items Credited (Charged) Directly To Equity [Abstract] No definition available.
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| X | ||||||||||
- Definition Deferred Income Tax Relating To Components Of Other Comprehensive Income And Items Credited (Charged) Directly To Equity [Abstract] No definition available.
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- Definition Income Tax Relating To Components Of Other Comprehensive Income And Items Credited (Charged) Directly To Equity No definition available.
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