v3.25.2
Credit Risk - Disclosure of loans and advances at amortised cost by product (Details)
£ in Millions
Jun. 30, 2025
GBP (£)
Dec. 31, 2024
GBP (£)
Gross exposure | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances £ 171,970 £ 168,248
Gross exposure | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances 36,708 38,086
Gross exposure | Retail other    
Disclosure of financial assets [line items]    
Loans and advances 14,261 14,218
Gross exposure | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances 129,835 130,791
Impairment allowance    
Disclosure of financial assets [line items]    
Loans and advances (5,395) (5,532)
Impairment allowance | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances (180) (187)
Impairment allowance | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances (3,108) (3,307)
Impairment allowance | Retail other    
Disclosure of financial assets [line items]    
Loans and advances (455) (410)
Impairment allowance | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances (1,203) (1,166)
Financial assets at amortised cost | Loans and advances    
Disclosure of financial assets [line items]    
Loans and advances £ 347,828 £ 346,273
Coverage ratio 0.014 0.014
Financial assets at amortised cost | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances £ 171,790 £ 168,061
Coverage ratio 0.001 0.001
Financial assets at amortised cost | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances £ 33,600 £ 34,779
Coverage ratio 0.085 0.087
Financial assets at amortised cost | Retail other    
Disclosure of financial assets [line items]    
Loans and advances £ 13,806 £ 13,808
Coverage ratio 0.032 0.029
Financial assets at amortised cost | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances £ 128,632 £ 129,625
Coverage ratio 0.009 0.009
Financial assets at amortised cost | Gross exposure | Loans and advances    
Disclosure of financial assets [line items]    
Loans and advances £ 352,774 £ 351,343
Financial assets at amortised cost | Gross exposure | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances 171,970 168,248
Financial assets at amortised cost | Gross exposure | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances 36,708 38,086
Financial assets at amortised cost | Gross exposure | Retail other    
Disclosure of financial assets [line items]    
Loans and advances 14,261 14,218
Financial assets at amortised cost | Gross exposure | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances 129,835 130,791
Financial assets at amortised cost | Impairment allowance | Loans and advances    
Disclosure of financial assets [line items]    
Loans and advances (4,946) (5,070)
Financial assets at amortised cost | Impairment allowance | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances (180) (187)
Financial assets at amortised cost | Impairment allowance | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances (3,108) (3,307)
Financial assets at amortised cost | Impairment allowance | Retail other    
Disclosure of financial assets [line items]    
Loans and advances (455) (410)
Financial assets at amortised cost | Impairment allowance | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances (1,203) (1,166)
Stage 1 | Gross exposure | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances 152,861 146,690
Stage 1 | Gross exposure | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances 29,768 31,126
Stage 1 | Gross exposure | Retail other    
Disclosure of financial assets [line items]    
Loans and advances 12,245 12,450
Stage 1 | Gross exposure | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances 115,899 116,508
Stage 1 | Impairment allowance | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances (37) (38)
Stage 1 | Impairment allowance | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances (457) (553)
Stage 1 | Impairment allowance | Retail other    
Disclosure of financial assets [line items]    
Loans and advances (103) (138)
Stage 1 | Impairment allowance | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances (216) (209)
Stage 1 | Financial assets at amortised cost | Loans and advances    
Disclosure of financial assets [line items]    
Loans and advances £ 309,960 £ 305,836
Coverage ratio 0.003 0.003
Stage 1 | Financial assets at amortised cost | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances £ 152,824 £ 146,652
Coverage ratio 0 0
Stage 1 | Financial assets at amortised cost | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances £ 29,311 £ 30,573
Coverage ratio 0.015 0.018
Stage 1 | Financial assets at amortised cost | Retail other    
Disclosure of financial assets [line items]    
Loans and advances £ 12,142 £ 12,312
Coverage ratio 0.008 0.011
Stage 1 | Financial assets at amortised cost | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances £ 115,683 £ 116,299
Coverage ratio 0.002 0.002
Stage 1 | Financial assets at amortised cost | Gross exposure | Loans and advances    
Disclosure of financial assets [line items]    
Loans and advances £ 310,773 £ 306,774
Stage 1 | Financial assets at amortised cost | Gross exposure | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances 152,861 146,690
Stage 1 | Financial assets at amortised cost | Gross exposure | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances 29,768 31,126
Stage 1 | Financial assets at amortised cost | Gross exposure | Retail other    
Disclosure of financial assets [line items]    
Loans and advances 12,245 12,450
Stage 1 | Financial assets at amortised cost | Gross exposure | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances 115,899 116,508
Stage 1 | Financial assets at amortised cost | Impairment allowance | Loans and advances    
Disclosure of financial assets [line items]    
Loans and advances (813) (938)
Stage 1 | Financial assets at amortised cost | Impairment allowance | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances (37) (38)
Stage 1 | Financial assets at amortised cost | Impairment allowance | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances (457) (553)
Stage 1 | Financial assets at amortised cost | Impairment allowance | Retail other    
Disclosure of financial assets [line items]    
Loans and advances (103) (138)
Stage 1 | Financial assets at amortised cost | Impairment allowance | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances (216) (209)
Lifetime expected credit losses | Stage 2 | Gross exposure | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances 17,225 19,596
Lifetime expected credit losses | Stage 2 | Gross exposure | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances 5,064 5,017
Lifetime expected credit losses | Stage 2 | Gross exposure | Retail other    
Disclosure of financial assets [line items]    
Loans and advances 1,600 1,373
Lifetime expected credit losses | Stage 2 | Gross exposure | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances 10,951 11,167
Lifetime expected credit losses | Stage 2 | Impairment allowance | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances (59) (62)
Lifetime expected credit losses | Stage 2 | Impairment allowance | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances (1,192) (1,247)
Lifetime expected credit losses | Stage 2 | Impairment allowance | Retail other    
Disclosure of financial assets [line items]    
Loans and advances (153) (111)
Lifetime expected credit losses | Stage 2 | Impairment allowance | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances (356) (331)
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Loans and advances    
Disclosure of financial assets [line items]    
Loans and advances £ 33,080 £ 35,402
Coverage ratio 0.051 0.047
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances £ 17,166 £ 19,534
Coverage ratio 0.003 0.003
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances £ 3,872 £ 3,770
Coverage ratio 0.235 0.249
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Retail other    
Disclosure of financial assets [line items]    
Loans and advances £ 1,447 £ 1,262
Coverage ratio 0.096 0.081
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances £ 10,595 £ 10,836
Coverage ratio 0.033 0.030
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Not past due | Loans and advances    
Disclosure of financial assets [line items]    
Loans and advances £ 29,510 £ 31,737
Coverage ratio 0.046 0.042
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Not past due | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances £ 14,264 £ 16,748
Coverage ratio 0.002 0.003
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Not past due | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances £ 3,578 £ 3,476
Coverage ratio 0.208 0.216
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Not past due | Retail other    
Disclosure of financial assets [line items]    
Loans and advances £ 1,233 £ 980
Coverage ratio 0.078 0.072
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Not past due | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances £ 10,435 £ 10,533
Coverage ratio 0.032 0.029
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Not later than 30 days past due | Loans and advances    
Disclosure of financial assets [line items]    
Loans and advances £ 2,550 £ 2,533
Coverage ratio 0.058 0.059
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Not later than 30 days past due | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances £ 2,132 £ 2,021
Coverage ratio 0.008 0.006
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Not later than 30 days past due | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances £ 181 £ 181
Coverage ratio 0.380 0.403
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Not later than 30 days past due | Retail other    
Disclosure of financial assets [line items]    
Loans and advances £ 163 £ 194
Coverage ratio 0.128 0.081
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Not later than 30 days past due | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances £ 74 £ 137
Coverage ratio 0.063 0.049
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | >30 days past due | Loans and advances    
Disclosure of financial assets [line items]    
Loans and advances £ 1,020 £ 1,132
Coverage ratio 0.155 0.150
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | >30 days past due | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances £ 770 £ 765
Coverage ratio 0.017 0.009
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | >30 days past due | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances £ 113 £ 113
Coverage ratio 0.555 0.595
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | >30 days past due | Retail other    
Disclosure of financial assets [line items]    
Loans and advances £ 51 £ 88
Coverage ratio 0.329 0.170
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | >30 days past due | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances £ 86 £ 166
Coverage ratio 0.085 0.046
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Gross exposure | Loans and advances    
Disclosure of financial assets [line items]    
Loans and advances £ 34,840 £ 37,153
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Gross exposure | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances 17,225 19,596
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Gross exposure | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances 5,064 5,017
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Gross exposure | Retail other    
Disclosure of financial assets [line items]    
Loans and advances 1,600 1,373
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Gross exposure | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances 10,951 11,167
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Gross exposure | Not past due | Loans and advances    
Disclosure of financial assets [line items]    
Loans and advances 30,926 33,130
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Gross exposure | Not past due | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances 14,293 16,790
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Gross exposure | Not past due | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances 4,518 4,435
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Gross exposure | Not past due | Retail other    
Disclosure of financial assets [line items]    
Loans and advances 1,337 1,056
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Gross exposure | Not past due | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances 10,778 10,849
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Gross exposure | Not later than 30 days past due | Loans and advances    
Disclosure of financial assets [line items]    
Loans and advances 2,707 2,692
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Gross exposure | Not later than 30 days past due | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances 2,149 2,034
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Gross exposure | Not later than 30 days past due | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances 292 303
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Gross exposure | Not later than 30 days past due | Retail other    
Disclosure of financial assets [line items]    
Loans and advances 187 211
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Gross exposure | Not later than 30 days past due | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances 79 144
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Gross exposure | >30 days past due | Loans and advances    
Disclosure of financial assets [line items]    
Loans and advances 1,207 1,331
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Gross exposure | >30 days past due | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances 783 772
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Gross exposure | >30 days past due | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances 254 279
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Gross exposure | >30 days past due | Retail other    
Disclosure of financial assets [line items]    
Loans and advances 76 106
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Gross exposure | >30 days past due | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances 94 174
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Impairment allowance | Loans and advances    
Disclosure of financial assets [line items]    
Loans and advances (1,760) (1,751)
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Impairment allowance | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances (59) (62)
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Impairment allowance | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances (1,192) (1,247)
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Impairment allowance | Retail other    
Disclosure of financial assets [line items]    
Loans and advances (153) (111)
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Impairment allowance | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances (356) (331)
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Impairment allowance | Not past due | Loans and advances    
Disclosure of financial assets [line items]    
Loans and advances (1,416) (1,393)
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Impairment allowance | Not past due | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances (29) (42)
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Impairment allowance | Not past due | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances (940) (959)
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Impairment allowance | Not past due | Retail other    
Disclosure of financial assets [line items]    
Loans and advances (104) (76)
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Impairment allowance | Not past due | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances (343) (316)
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Impairment allowance | Not later than 30 days past due | Loans and advances    
Disclosure of financial assets [line items]    
Loans and advances (157) (159)
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Impairment allowance | Not later than 30 days past due | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances (17) (13)
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Impairment allowance | Not later than 30 days past due | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances (111) (122)
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Impairment allowance | Not later than 30 days past due | Retail other    
Disclosure of financial assets [line items]    
Loans and advances (24) (17)
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Impairment allowance | Not later than 30 days past due | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances (5) (7)
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Impairment allowance | >30 days past due | Loans and advances    
Disclosure of financial assets [line items]    
Loans and advances (187) (199)
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Impairment allowance | >30 days past due | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances (13) (7)
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Impairment allowance | >30 days past due | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances (141) (166)
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Impairment allowance | >30 days past due | Retail other    
Disclosure of financial assets [line items]    
Loans and advances (25) (18)
Lifetime expected credit losses | Stage 2 | Financial assets at amortised cost | Impairment allowance | >30 days past due | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances (8) (8)
Lifetime expected credit losses | Stage 3 excluding POCI | Gross exposure | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances 1,884 1,962
Lifetime expected credit losses | Stage 3 excluding POCI | Gross exposure | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances 1,848 1,903
Lifetime expected credit losses | Stage 3 excluding POCI | Gross exposure | Retail other    
Disclosure of financial assets [line items]    
Loans and advances 402 378
Lifetime expected credit losses | Stage 3 excluding POCI | Gross exposure | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances 2,985 3,116
Lifetime expected credit losses | Stage 3 excluding POCI | Impairment allowance | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances (84) (87)
Lifetime expected credit losses | Stage 3 excluding POCI | Impairment allowance | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances (1,459) (1,507)
Lifetime expected credit losses | Stage 3 excluding POCI | Impairment allowance | Retail other    
Disclosure of financial assets [line items]    
Loans and advances (199) (161)
Lifetime expected credit losses | Stage 3 excluding POCI | Impairment allowance | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances (631) (626)
Lifetime expected credit losses | Stage 3 excluding POCI | Financial assets at amortised cost | Loans and advances    
Disclosure of financial assets [line items]    
Loans and advances £ 4,746 £ 4,978
Coverage ratio 0.333 0.324
Lifetime expected credit losses | Stage 3 excluding POCI | Financial assets at amortised cost | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances £ 1,800 £ 1,875
Coverage ratio 0.045 0.044
Lifetime expected credit losses | Stage 3 excluding POCI | Financial assets at amortised cost | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances £ 389 £ 396
Coverage ratio 0.790 0.792
Lifetime expected credit losses | Stage 3 excluding POCI | Financial assets at amortised cost | Retail other    
Disclosure of financial assets [line items]    
Loans and advances £ 203 £ 217
Coverage ratio 0.495 0.426
Lifetime expected credit losses | Stage 3 excluding POCI | Financial assets at amortised cost | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances £ 2,354 £ 2,490
Coverage ratio 0.211 0.201
Lifetime expected credit losses | Stage 3 excluding POCI | Financial assets at amortised cost | Gross exposure | Loans and advances    
Disclosure of financial assets [line items]    
Loans and advances £ 7,119 £ 7,359
Lifetime expected credit losses | Stage 3 excluding POCI | Financial assets at amortised cost | Gross exposure | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances 1,884 1,962
Lifetime expected credit losses | Stage 3 excluding POCI | Financial assets at amortised cost | Gross exposure | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances 1,848 1,903
Lifetime expected credit losses | Stage 3 excluding POCI | Financial assets at amortised cost | Gross exposure | Retail other    
Disclosure of financial assets [line items]    
Loans and advances 402 378
Lifetime expected credit losses | Stage 3 excluding POCI | Financial assets at amortised cost | Gross exposure | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances 2,985 3,116
Lifetime expected credit losses | Stage 3 excluding POCI | Financial assets at amortised cost | Impairment allowance | Loans and advances    
Disclosure of financial assets [line items]    
Loans and advances (2,373) (2,381)
Lifetime expected credit losses | Stage 3 excluding POCI | Financial assets at amortised cost | Impairment allowance | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances (84) (87)
Lifetime expected credit losses | Stage 3 excluding POCI | Financial assets at amortised cost | Impairment allowance | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances (1,459) (1,507)
Lifetime expected credit losses | Stage 3 excluding POCI | Financial assets at amortised cost | Impairment allowance | Retail other    
Disclosure of financial assets [line items]    
Loans and advances (199) (161)
Lifetime expected credit losses | Stage 3 excluding POCI | Financial assets at amortised cost | Impairment allowance | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances (631) (626)
Lifetime expected credit losses | Stage 3 POCI | Gross exposure | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances 0 0
Lifetime expected credit losses | Stage 3 POCI | Gross exposure | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances 28 40
Lifetime expected credit losses | Stage 3 POCI | Gross exposure | Retail other    
Disclosure of financial assets [line items]    
Loans and advances 14 17
Lifetime expected credit losses | Stage 3 POCI | Gross exposure | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances 0 0
Lifetime expected credit losses | Stage 3 POCI | Impairment allowance | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances 0 0
Lifetime expected credit losses | Stage 3 POCI | Impairment allowance | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances 0 0
Lifetime expected credit losses | Stage 3 POCI | Impairment allowance | Retail other    
Disclosure of financial assets [line items]    
Loans and advances 0 0
Lifetime expected credit losses | Stage 3 POCI | Impairment allowance | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances 0 0
Lifetime expected credit losses | Stage 3 POCI | Financial assets at amortised cost | Loans and advances    
Disclosure of financial assets [line items]    
Loans and advances £ 42 £ 57
Coverage ratio 0 0
Lifetime expected credit losses | Stage 3 POCI | Financial assets at amortised cost | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances £ 0 £ 0
Coverage ratio 0 0
Lifetime expected credit losses | Stage 3 POCI | Financial assets at amortised cost | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances £ 28 £ 40
Coverage ratio 0 0
Lifetime expected credit losses | Stage 3 POCI | Financial assets at amortised cost | Retail other    
Disclosure of financial assets [line items]    
Loans and advances £ 14 £ 17
Coverage ratio 0 0
Lifetime expected credit losses | Stage 3 POCI | Financial assets at amortised cost | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances £ 0 £ 0
Coverage ratio 0 0
Lifetime expected credit losses | Stage 3 POCI | Financial assets at amortised cost | Gross exposure | Loans and advances    
Disclosure of financial assets [line items]    
Loans and advances £ 42 £ 57
Lifetime expected credit losses | Stage 3 POCI | Financial assets at amortised cost | Gross exposure | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances 0 0
Lifetime expected credit losses | Stage 3 POCI | Financial assets at amortised cost | Gross exposure | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances 28 40
Lifetime expected credit losses | Stage 3 POCI | Financial assets at amortised cost | Gross exposure | Retail other    
Disclosure of financial assets [line items]    
Loans and advances 14 17
Lifetime expected credit losses | Stage 3 POCI | Financial assets at amortised cost | Gross exposure | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances 0 0
Lifetime expected credit losses | Stage 3 POCI | Financial assets at amortised cost | Impairment allowance | Loans and advances    
Disclosure of financial assets [line items]    
Loans and advances 0 0
Lifetime expected credit losses | Stage 3 POCI | Financial assets at amortised cost | Impairment allowance | Retail mortgages    
Disclosure of financial assets [line items]    
Loans and advances 0 0
Lifetime expected credit losses | Stage 3 POCI | Financial assets at amortised cost | Impairment allowance | Retail credit cards    
Disclosure of financial assets [line items]    
Loans and advances 0 0
Lifetime expected credit losses | Stage 3 POCI | Financial assets at amortised cost | Impairment allowance | Retail other    
Disclosure of financial assets [line items]    
Loans and advances 0 0
Lifetime expected credit losses | Stage 3 POCI | Financial assets at amortised cost | Impairment allowance | Corporate loans    
Disclosure of financial assets [line items]    
Loans and advances £ 0 £ 0