v3.25.4

Insurance business - (I) Life insurance sensitivity analysis (Details) £ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2025 GBP (£) | Dec. 31, 2024 GBP (£)
Percentage reduction in rate | Annuitant mortality |  |
LIFE INSURANCE SENSITIVITY ANALYSIS (Details) - Schedule of Accounting Estimates and Judgements [Line Items] |  |
Change in variable | 0.05 |
Increase (reduction) in profit before tax £m | £ 33 | £ 48
Increase (reduction) in equity £m | £ 25 | 36
Percentage reduction in rate | Future maintenance and investment expenses |  |
LIFE INSURANCE SENSITIVITY ANALYSIS (Details) - Schedule of Accounting Estimates and Judgements [Line Items] |  |
Change in variable | 0.10 |
Increase (reduction) in profit before tax £m | £ 29 | 30
Increase (reduction) in equity £m | £ 22 | 23
Percentage reduction in rate | Non-annuitant mortality and morbidity |  |
LIFE INSURANCE SENSITIVITY ANALYSIS (Details) - Schedule of Accounting Estimates and Judgements [Line Items] |  |
Change in variable | 0.05 |
Increase (reduction) in profit before tax £m | £ 31 | 17
Increase (reduction) in equity £m | £ 24 | 13
Percentage reduction in rate | Lapse rates |  |
LIFE INSURANCE SENSITIVITY ANALYSIS (Details) - Schedule of Accounting Estimates and Judgements [Line Items] |  |
Change in variable | 0.10 |
Increase (reduction) in profit before tax £m | £ 8 | 5
Increase (reduction) in equity £m | £ 6 | 4
Percentage reduction in rate | Equity |  |
LIFE INSURANCE SENSITIVITY ANALYSIS (Details) - Schedule of Accounting Estimates and Judgements [Line Items] |  |
Change in variable | 0.10 |
Increase (reduction) in profit before tax £m | £ 64 | 137
Increase (reduction) in equity £m | £ 145 | 103
Percentage reduction in rate | Inflation |  |
LIFE INSURANCE SENSITIVITY ANALYSIS (Details) - Schedule of Accounting Estimates and Judgements [Line Items] |  |
Change in variable | 0.0050 |
Increase (reduction) in profit before tax £m | £ (77) | (88)
Increase (reduction) in equity £m | £ (58) | (66)
Percentage increase in rate | Annuitant mortality |  |
LIFE INSURANCE SENSITIVITY ANALYSIS (Details) - Schedule of Accounting Estimates and Judgements [Line Items] |  |
Change in variable | 0.05 |
Increase (reduction) in profit before tax £m | £ (37) | (45)
Increase (reduction) in equity £m | £ (28) | (33)
Percentage increase in rate | Future maintenance and investment expenses |  |
LIFE INSURANCE SENSITIVITY ANALYSIS (Details) - Schedule of Accounting Estimates and Judgements [Line Items] |  |
Change in variable | 0.10 |
Increase (reduction) in profit before tax £m | £ (31) | (30)
Increase (reduction) in equity £m | £ (23) | (23)
Percentage increase in rate | Non-annuitant mortality and morbidity |  |
LIFE INSURANCE SENSITIVITY ANALYSIS (Details) - Schedule of Accounting Estimates and Judgements [Line Items] |  |
Change in variable | 0.05 |
Increase (reduction) in profit before tax £m | £ (26) | (10)
Increase (reduction) in equity £m | £ (20) | (8)
Percentage increase in rate | Lapse rates |  |
LIFE INSURANCE SENSITIVITY ANALYSIS (Details) - Schedule of Accounting Estimates and Judgements [Line Items] |  |
Change in variable | 0.10 |
Increase (reduction) in profit before tax £m | £ (9) | (4)
Increase (reduction) in equity £m | £ (6) | (3)
Percentage increase in rate | Equity |  |
LIFE INSURANCE SENSITIVITY ANALYSIS (Details) - Schedule of Accounting Estimates and Judgements [Line Items] |  |
Change in variable | 0.10 |
Increase (reduction) in profit before tax £m | £ (58) | (127)
Increase (reduction) in equity £m | £ (144) | (95)
Percentage increase in rate | Inflation |  |
LIFE INSURANCE SENSITIVITY ANALYSIS (Details) - Schedule of Accounting Estimates and Judgements [Line Items] |  |
Change in variable | 0.0050 |
Increase (reduction) in profit before tax £m | £ 84 | 98
Increase (reduction) in equity £m | £ 63 | 73
Risk free rate, including illiquidity premia | Percentage reduction in rate |  |
LIFE INSURANCE SENSITIVITY ANALYSIS (Details) - Schedule of Accounting Estimates and Judgements [Line Items] |  |
Change in variable | 0.01 |
Increase (reduction) in profit before tax £m | £ 271 | 272
Increase (reduction) in equity £m | £ 157 | 204
Risk free rate, including illiquidity premia | Percentage increase in rate |  |
LIFE INSURANCE SENSITIVITY ANALYSIS (Details) - Schedule of Accounting Estimates and Judgements [Line Items] |  |
Change in variable | 0.01 |
Increase (reduction) in profit before tax £m | £ (237) | (227)
Increase (reduction) in equity £m | £ (136) | (171)
Widening of credit default spreads on corporate bonds and other credit risky assets | Percentage increase in rate |  |
LIFE INSURANCE SENSITIVITY ANALYSIS (Details) - Schedule of Accounting Estimates and Judgements [Line Items] |  |
Change in variable | 0.0025 |
Increase (reduction) in profit before tax £m | £ (186) | (174)
Increase (reduction) in equity £m | £ (140) | £ (131)

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