v3.26.1
Loan impairment provisions (Details) - GBP (£)
£ in Millions
 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Loan impairment provisions      
Financial Assets £ 745,367   £ 714,553
ECL charge/(release) 423 £ 382  
Cash and balances at central banks 76,743   85,182
Contingent liabilities      
Loan impairment provisions      
ECL charge/(release) 0 10  
Other financial assets      
Loan impairment provisions      
Financial Assets 86,552   79,770
ECL charge/(release) (2) (1)  
Off-Balance Sheet Exposures | Impairment      
Loan impairment provisions      
Financial Assets (100)   (100)
FVOCI      
Loan impairment provisions      
Financial Assets 50,647   42,168
FVOCI | Impairment      
Loan impairment provisions      
Financial Assets (10)   (6)
FVOCI | Other financial assets      
Loan impairment provisions      
Financial Assets 50,647   £ 42,168
ECL charge/(release) £ 2 0  
Loans and advances | Financial assets at amortised cost and fair value through other comprehensive income      
Loan impairment provisions      
ECL provision coverage 0.80%   0.83%
ECL charge/(release) £ 423 382  
Loans and advances | Financial assets at amortised cost and fair value through other comprehensive income | Gross carrying amount      
Loan impairment provisions      
Financial Assets 447,702   £ 429,916
Loans and advances | Financial assets at amortised cost and fair value through other comprehensive income | Impairment      
Loan impairment provisions      
Financial Assets (3,562)   (3,585)
Cash at central banks | Assets within the scope of the ECL framework      
Loan impairment provisions      
Financial Assets 75,900   84,100
Debt securities | Assets within the scope of the ECL framework      
Loan impairment provisions      
Financial Assets £ 85,200   £ 78,400
12-month expected credit losses | Not credit impaired | Loans and advances | Financial assets at amortised cost and fair value through other comprehensive income      
Loan impairment provisions      
ECL provision coverage 0.15%   0.16%
ECL charge/(release) £ (77) (67)  
12-month expected credit losses | Not credit impaired | Loans and advances | Financial assets at amortised cost and fair value through other comprehensive income | Gross carrying amount      
Loan impairment provisions      
Financial Assets 398,096   £ 386,651
12-month expected credit losses | Not credit impaired | Loans and advances | Financial assets at amortised cost and fair value through other comprehensive income | Impairment      
Loan impairment provisions      
Financial Assets £ (616)   £ (614)
Lifetime expected credit losses | Not credit impaired | Loans and advances | Financial assets at amortised cost and fair value through other comprehensive income      
Loan impairment provisions      
ECL provision coverage 1.94%   2.06%
ECL charge/(release) £ 283 165  
Lifetime expected credit losses | Not credit impaired | Loans and advances | Financial assets at amortised cost and fair value through other comprehensive income | Individually assessed      
Loan impairment provisions      
Amounts written off 168 61  
Lifetime expected credit losses | Not credit impaired | Loans and advances | Financial assets at amortised cost and fair value through other comprehensive income | Gross carrying amount      
Loan impairment provisions      
Financial Assets 44,915   £ 38,582
Lifetime expected credit losses | Not credit impaired | Loans and advances | Financial assets at amortised cost and fair value through other comprehensive income | Impairment      
Loan impairment provisions      
Financial Assets £ (872)   £ (796)
Lifetime expected credit losses | Credit impaired | Loans and advances | Financial assets at amortised cost and fair value through other comprehensive income      
Loan impairment provisions      
ECL provision coverage 44.21%   46.44%
ECL charge/(release) £ 217 284  
Amounts written off 487 192  
Lifetime expected credit losses | Credit impaired | Loans and advances | Financial assets at amortised cost and fair value through other comprehensive income | Individually assessed      
Loan impairment provisions      
ECL charge/(release) 48 194  
Lifetime expected credit losses | Credit impaired | Loans and advances | Financial assets at amortised cost and fair value through other comprehensive income | Collectively assessed      
Loan impairment provisions      
ECL charge/(release) 169 90  
Amounts written off 319 £ 131  
Lifetime expected credit losses | Credit impaired | Loans and advances | Financial assets at amortised cost and fair value through other comprehensive income | Gross carrying amount      
Loan impairment provisions      
Financial Assets 4,691   £ 4,683
Lifetime expected credit losses | Credit impaired | Loans and advances | Financial assets at amortised cost and fair value through other comprehensive income | Gross carrying amount | Individually assessed      
Loan impairment provisions      
Financial Assets 1,176   1,456
Lifetime expected credit losses | Credit impaired | Loans and advances | Financial assets at amortised cost and fair value through other comprehensive income | Gross carrying amount | Collectively assessed      
Loan impairment provisions      
Financial Assets 3,515   3,227
Lifetime expected credit losses | Credit impaired | Loans and advances | Financial assets at amortised cost and fair value through other comprehensive income | Impairment      
Loan impairment provisions      
Financial Assets (2,074)   (2,175)
Lifetime expected credit losses | Credit impaired | Loans and advances | Financial assets at amortised cost and fair value through other comprehensive income | Impairment | Individually assessed      
Loan impairment provisions      
Financial Assets (492)   (598)
Lifetime expected credit losses | Credit impaired | Loans and advances | Financial assets at amortised cost and fair value through other comprehensive income | Impairment | Collectively assessed      
Loan impairment provisions      
Financial Assets £ (1,582)   £ (1,577)