v3.26.1
Financial instruments - valuation - Assets at Amortised Cost (Details) - GBP (£)
£ in Millions
Jun. 30, 2026
Dec. 31, 2025
Fair value of assets    
Financial Assets £ 745,367 £ 714,553
Cash and balances at central banks    
Fair value of assets    
Financial Assets 76,743 85,182
Loans to banks - amortised cost | Financial assets at amortised cost    
Fair value of assets    
Financial Assets 7,300 7,000
Loans to customers - amortised cost | Financial assets at amortised cost    
Fair value of assets    
Financial Assets 435,900 418,900
Financial assets, other | Financial assets at amortised cost    
Fair value of assets    
Financial Assets 35,100 36,600
Not measured at fair value in statement of financial position but for which fair value is disclosed | Loans to banks - amortised cost | Financial assets at amortised cost    
Fair value of assets    
Financial assets, at fair value 7,400 6,900
Not measured at fair value in statement of financial position but for which fair value is disclosed | Loans to customers - amortised cost | Financial assets at amortised cost    
Fair value of assets    
Financial assets, at fair value 430,700 414,500
Not measured at fair value in statement of financial position but for which fair value is disclosed | Financial assets, other | Financial assets at amortised cost    
Fair value of assets    
Financial assets, at fair value £ 35,000 £ 36,600