Retirement benefit obligations - Schedule of Change in Fair Value of Scheme Assets (Details) - GBP (£) £ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Changes in the fair value of scheme assets | ||
| At 1 January | £ 2,906 | |
| At 31 December | 2,575 | £ 2,906 |
| Fair value of scheme assets | ||
| Changes in the fair value of scheme assets | ||
| At 1 January | 30,063 | 33,733 |
| Return on plan assets | (934) | (3,712) |
| Interest income | 1,624 | 1,551 |
| Employer contributions | 150 | 172 |
| Benefits paid | (1,693) | (1,638) |
| Settlements | (2) | (1) |
| Administrative costs paid | (32) | (33) |
| Exchange and other adjustments | 7 | (9) |
| At 31 December | £ 29,183 | £ 30,063 |
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- Definition The decrease (increase) in net defined benefit liability (asset) resulting from contributions to a defined benefit plan by the employer. [Refer: Net defined benefit liability (asset); Defined benefit plans [domain]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from changes in foreign exchange rates. [Refer: Net defined benefit liability (asset)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [domain]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from payments from the plan. [Refer: Net defined benefit liability (asset)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from payments from the plan in respect of settlements. [Refer: Decrease (increase) in net defined benefit liability (asset) resulting from gains (losses) arising from settlements; Net defined benefit liability (asset); Defined benefit plans [domain]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Administrative Expenses, Net Defined Benefit Liability (Asset) No definition available.
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- References No definition available.
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- Details
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