v3.25.4

Retirement benefit obligations - Schedule of Analysis of Defined Benefit Obligations (Details) - GBP (£) £ in Millions | Dec. 31, 2025 | Dec. 31, 2024
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Analysis of the defined benefit obligation |  |
Defined benefit obligation | £ (26,571) | £ (27,118)
Active members |  |
Analysis of the defined benefit obligation |  |
Defined benefit obligation | (1,960) | (2,463)
Deferred members |  |
Analysis of the defined benefit obligation |  |
Defined benefit obligation | (6,722) | (7,080)
Dependants |  |
Analysis of the defined benefit obligation |  |
Defined benefit obligation | (1,486) | (1,429)
Pensioners |  |
Analysis of the defined benefit obligation |  |
Defined benefit obligation | £ (16,403) | £ (16,146)

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- Definition The present value, without deducting any plan assets, of expected future payments required to settle the obligation resulting from employee service in the current and prior periods. [Refer: Plan assets, at fair value] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2025-01-01 -Paragraph 57 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=19&code=ifrs-tx-2025-en-r&anchor=para_57_a&doctype=Standard -URIDate 2025-03-27 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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