v3.26.1
Insurance business - Schedule of insurance service result (Details) - GBP (£)
£ in Millions
 6 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Total Insurance revenue      
Insurance service expense £ 1,566 £ 1,571 £ 1,867
Total Insurance service expense      
Total Insurance service expense (1,251) (1,134) (1,409)
Net expense from reinsurance contracts held (17) (111) (28)
Insurance service result 298 326 430
Total life      
Total Insurance revenue      
CSM recognised for services provided 196 198 392
Change in risk adjustments for non-financial risk for risk expired 27 25 24
Expected claims and other insurance services expenses 795 771 959
Charges to funds in respect of policyholder tax and other 104 134 66
Amounts relating to the changes in liabilities for remaining coverage: 1,122 1,128 1,441
Recovery of insurance acquisition cash flows 67 61 56
Insurance service expense 1,189 1,189 1,497
Total Insurance service expense      
Incurred claims and other directly attributable expenses (791) (772) (977)
Changes that relate to past service: adjustment to liabilities for incurred claims (2) (1) 1
Changes that relate to future service: (losses) reversal of losses on onerous contracts (72) 2 (86)
Amortisation of insurance acquisition cash flows (67) (61) (56)
Total Insurance service expense (932) (832) (1,118)
Total non-life      
Total Insurance revenue      
Insurance service expense 377 382 370
Total Insurance service expense      
Total Insurance service expense £ (319) £ (302) £ (291)