v3.26.1
Provisions - Schedule of Provisions and Liabilities (Details)
£ in Millions
6 Months Ended
Jun. 30, 2026
GBP (£)
Disclosure of other provisions [line items]  
Provisions at beginning of the period £ 2,888
Exchange and other adjustments (7)
Provisions applied (270)
Charge for the period 190
Provisions at end of the period 2,801
Provisions for financial commitments and guarantees  
Disclosure of other provisions [line items]  
Provisions at beginning of the period 197
Exchange and other adjustments (1)
Provisions applied 0
Charge for the period 9
Provisions at end of the period 205
Regulatory and legal provisions  
Disclosure of other provisions [line items]  
Provisions at beginning of the period 2,276
Exchange and other adjustments (1)
Provisions applied (126)
Charge for the period 39
Provisions at end of the period 2,188
Other  
Disclosure of other provisions [line items]  
Provisions at beginning of the period 415
Exchange and other adjustments (5)
Provisions applied (144)
Charge for the period 142
Provisions at end of the period £ 408