v3.25.2
Segmental reporting - Analysis of results by business (Details) - GBP (£)
£ in Millions
 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Disclosure of operating segments [line items]      
Net interest income £ 3,495 £ 3,115  
Non-interest income 7,587 6,579  
Total income 11,082 9,694  
Operating costs (6,255) (6,065)  
UK regulatory levies (53) (66)  
Litigation and conduct (59) (56)  
Operating expenses (6,367) (6,187)  
Other net income 0 1  
Profit/(loss) before impairment 4,715 3,508  
Credit impairment (charge)/release (875) (831)  
Profit before tax 3,840 2,677  
Total assets 1,297,310   £ 1,218,524
Total liabilities 1,236,062   1,159,304
Operating segments | Barclays UK Corporate Bank      
Disclosure of operating segments [line items]      
Net interest income 729 604  
Non-interest income 306 308  
Total income 1,035 912  
Operating costs (513) (492)  
UK regulatory levies (24) (30)  
Litigation and conduct (39) 0  
Operating expenses (576) (522)  
Other net income 0 0  
Profit/(loss) before impairment 459 390  
Credit impairment (charge)/release (31) (23)  
Profit before tax 428 367  
Total assets 68,200   61,300
Total liabilities 102,200   94,700
Operating segments | Barclays Private Bank and Wealth Management      
Disclosure of operating segments [line items]      
Net interest income 425 376  
Non-interest income 292 272  
Total income 717 648  
Operating costs (494) (454)  
UK regulatory levies (2) (3)  
Litigation and conduct 0 1  
Operating expenses (496) (456)  
Other net income 0 0  
Profit/(loss) before impairment 221 192  
Credit impairment (charge)/release 11 3  
Profit before tax 232 195  
Total assets 41,700   34,100
Total liabilities 76,300   75,000
Operating segments | Barclays Investment Bank      
Disclosure of operating segments [line items]      
Net interest income 786 654  
Non-interest income 6,567 5,905  
Total income 7,353 6,559  
Operating costs (4,118) (3,963)  
UK regulatory levies (27) (33)  
Litigation and conduct (11) (11)  
Operating expenses (4,156) (4,007)  
Other net income 0 0  
Profit/(loss) before impairment 3,197 2,552  
Credit impairment (charge)/release (139) (34)  
Profit before tax 3,058 2,518  
Total assets 1,140,500   1,061,800
Total liabilities 1,028,800   955,600
Operating segments | Barclays US Consumer Bank      
Disclosure of operating segments [line items]      
Net interest income 1,332 1,347  
Non-interest income 369 344  
Total income 1,701 1,691  
Operating costs (817) (807)  
UK regulatory levies 0 0  
Litigation and conduct (3) (4)  
Operating expenses (820) (811)  
Other net income 0 0  
Profit/(loss) before impairment 881 880  
Credit impairment (charge)/release (711) (719)  
Profit before tax 170 161  
Total assets 31,100   34,900
Total liabilities 23,600   24,500
Head Office      
Disclosure of operating segments [line items]      
Net interest income 223 134  
Non-interest income 53 (250)  
Total income 276 (116)  
Operating costs (313) (349)  
UK regulatory levies 0 0  
Litigation and conduct (6) (42)  
Operating expenses (319) (391)  
Other net income 0 1  
Profit/(loss) before impairment (43) (506)  
Credit impairment (charge)/release (5) (58)  
Profit before tax (48) (564)  
Total assets 15,800   26,400
Total liabilities 5,200   £ 9,500
Of which inter-segmental income/(expense)      
Disclosure of operating segments [line items]      
Total income (149) (450)  
Of which inter-segmental income/(expense) | Barclays UK Corporate Bank      
Disclosure of operating segments [line items]      
Total income 992 1,217  
Of which inter-segmental income/(expense) | Barclays Private Bank and Wealth Management      
Disclosure of operating segments [line items]      
Total income 921 1,045  
Of which inter-segmental income/(expense) | Barclays Investment Bank      
Disclosure of operating segments [line items]      
Total income (1,761) (1,809)  
Of which inter-segmental income/(expense) | Barclays US Consumer Bank      
Disclosure of operating segments [line items]      
Total income £ (3) £ (3)