v3.25.4
Report of Directors Financial Review Risk Report - Summary of credit risk (excluding debt instruments measured at FVOCI) by stage distribution and ECL coverage (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Disclosure of credit risk exposure [line items]    
Financial assets $ 3,117,161 $ 2,923,319
Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets 2,486,661 2,350,371
Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets (4,593) (4,618)
Loans And Advances To Customers    
Disclosure of credit risk exposure [line items]    
Financial assets 988,399 930,658
Loans And Advances To Banks    
Disclosure of credit risk exposure [line items]    
Financial assets 108,462 102,039
Financial assets at amortised cost, category    
Disclosure of credit risk exposure [line items]    
Financial assets $ 182,089 $ 153,973
Expected credit loss rate 0.40% 0.40%
Financial assets at amortised cost, category | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 2,706,154 $ 2,507,370
Financial assets at amortised cost, category | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (11,194) $ (10,197)
Financial assets at amortised cost, category | – stage 1 | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.10% 0.10%
Financial assets at amortised cost, category | – stage 1 | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 2,575,821 $ 2,365,477
Financial assets at amortised cost, category | – stage 1 | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (1,438) $ (1,296)
Financial assets at amortised cost, category | Lifetime expected credit losses | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 2.30% 2.30%
Financial assets at amortised cost, category | Lifetime expected credit losses | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 104,578 $ 117,824
Financial assets at amortised cost, category | Lifetime expected credit losses | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (2,445) $ (2,679)
Financial assets at amortised cost, category | Lifetime expected credit losses | Financial instruments credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 28.50% 25.70%
Financial assets at amortised cost, category | Lifetime expected credit losses | Financial instruments credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 25,418 $ 23,976
Financial assets at amortised cost, category | Lifetime expected credit losses | Financial instruments credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (7,235) $ (6,171)
Financial assets at amortised cost, category | Lifetime expected credit losses | – POCI    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 22.60% 54.80%
Financial assets at amortised cost, category | Lifetime expected credit losses | – POCI | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 337 $ 93
Financial assets at amortised cost, category | Lifetime expected credit losses | – POCI | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (76) $ (51)
Financial assets at amortised cost, category | Loans And Advances To Customers    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 1.10% 1.00%
Financial assets at amortised cost, category | Loans And Advances To Customers | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 999,091 $ 940,373
Financial assets at amortised cost, category | Loans And Advances To Customers | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (10,692) $ (9,715)
Financial assets at amortised cost, category | Loans And Advances To Customers | – stage 1 | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.10% 0.10%
Financial assets at amortised cost, category | Loans And Advances To Customers | – stage 1 | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 893,433 $ 824,420
Financial assets at amortised cost, category | Loans And Advances To Customers | – stage 1 | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (1,201) $ (1,078)
Financial assets at amortised cost, category | Loans And Advances To Customers | Lifetime expected credit losses | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 2.90% 2.70%
Financial assets at amortised cost, category | Loans And Advances To Customers | Lifetime expected credit losses | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 80,936 $ 93,248
Financial assets at amortised cost, category | Loans And Advances To Customers | Lifetime expected credit losses | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (2,318) $ (2,546)
Financial assets at amortised cost, category | Loans And Advances To Customers | Lifetime expected credit losses | Financial instruments credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 29.10% 26.70%
Financial assets at amortised cost, category | Loans And Advances To Customers | Lifetime expected credit losses | Financial instruments credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 24,389 $ 22,615
Financial assets at amortised cost, category | Loans And Advances To Customers | Lifetime expected credit losses | Financial instruments credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (7,097) $ (6,040)
Financial assets at amortised cost, category | Loans And Advances To Customers | Lifetime expected credit losses | – POCI    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 22.80% 56.70%
Financial assets at amortised cost, category | Loans And Advances To Customers | Lifetime expected credit losses | – POCI | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 333 $ 90
Financial assets at amortised cost, category | Loans And Advances To Customers | Lifetime expected credit losses | – POCI | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (76) $ (51)
Financial assets at amortised cost, category | Loans And Advances To Customers | – personal    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.60% 0.60%
Financial assets at amortised cost, category | Loans And Advances To Customers | – personal | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 474,528 $ 447,225
Financial assets at amortised cost, category | Loans And Advances To Customers | – personal | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (2,797) $ (2,524)
Financial assets at amortised cost, category | Loans And Advances To Customers | – personal | – stage 1 | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.10% 0.10%
Financial assets at amortised cost, category | Loans And Advances To Customers | – personal | – stage 1 | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 446,696 $ 403,746
Financial assets at amortised cost, category | Loans And Advances To Customers | – personal | – stage 1 | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (667) $ (570)
Financial assets at amortised cost, category | Loans And Advances To Customers | – personal | Lifetime expected credit losses | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 5.20% 2.90%
Financial assets at amortised cost, category | Loans And Advances To Customers | – personal | Lifetime expected credit losses | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 23,887 $ 39,919
Financial assets at amortised cost, category | Loans And Advances To Customers | – personal | Lifetime expected credit losses | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (1,235) $ (1,158)
Financial assets at amortised cost, category | Loans And Advances To Customers | – personal | Lifetime expected credit losses | Financial instruments credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 22.70% 22.40%
Financial assets at amortised cost, category | Loans And Advances To Customers | – personal | Lifetime expected credit losses | Financial instruments credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 3,945 $ 3,560
Financial assets at amortised cost, category | Loans And Advances To Customers | – personal | Lifetime expected credit losses | Financial instruments credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (895) $ (796)
Financial assets at amortised cost, category | Loans And Advances To Customers | – personal | Lifetime expected credit losses | – POCI    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | Loans And Advances To Customers | – personal | Lifetime expected credit losses | – POCI | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 0
Financial assets at amortised cost, category | Loans And Advances To Customers | – personal | Lifetime expected credit losses | – POCI | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 0
Financial assets at amortised cost, category | Loans And Advances To Customers | – corporate and commercial    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 1.80% 1.60%
Financial assets at amortised cost, category | Loans And Advances To Customers | – corporate and commercial | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 424,505 $ 410,684
Financial assets at amortised cost, category | Loans And Advances To Customers | – corporate and commercial | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (7,526) $ (6,755)
Financial assets at amortised cost, category | Loans And Advances To Customers | – corporate and commercial | – stage 1 | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.10% 0.10%
Financial assets at amortised cost, category | Loans And Advances To Customers | – corporate and commercial | – stage 1 | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 349,763 $ 340,987
Financial assets at amortised cost, category | Loans And Advances To Customers | – corporate and commercial | – stage 1 | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (478) $ (463)
Financial assets at amortised cost, category | Loans And Advances To Customers | – corporate and commercial | Lifetime expected credit losses | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 1.90% 2.70%
Financial assets at amortised cost, category | Loans And Advances To Customers | – corporate and commercial | Lifetime expected credit losses | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 54,636 $ 51,231
Financial assets at amortised cost, category | Loans And Advances To Customers | – corporate and commercial | Lifetime expected credit losses | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (1,064) $ (1,358)
Financial assets at amortised cost, category | Loans And Advances To Customers | – corporate and commercial | Lifetime expected credit losses | Financial instruments credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 29.60% 26.60%
Financial assets at amortised cost, category | Loans And Advances To Customers | – corporate and commercial | Lifetime expected credit losses | Financial instruments credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 19,966 $ 18,376
Financial assets at amortised cost, category | Loans And Advances To Customers | – corporate and commercial | Lifetime expected credit losses | Financial instruments credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (5,909) $ (4,883)
Financial assets at amortised cost, category | Loans And Advances To Customers | – corporate and commercial | Lifetime expected credit losses | – POCI    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 53.60% 56.70%
Financial assets at amortised cost, category | Loans And Advances To Customers | – corporate and commercial | Lifetime expected credit losses | – POCI | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 140 $ 90
Financial assets at amortised cost, category | Loans And Advances To Customers | – corporate and commercial | Lifetime expected credit losses | – POCI | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (75) $ (51)
Financial assets at amortised cost, category | Loans And Advances To Customers | – non-bank financial institutions    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.40% 0.50%
Financial assets at amortised cost, category | Loans And Advances To Customers | – non-bank financial institutions | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 100,058 $ 82,464
Financial assets at amortised cost, category | Loans And Advances To Customers | – non-bank financial institutions | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (369) $ (436)
Financial assets at amortised cost, category | Loans And Advances To Customers | – non-bank financial institutions | – stage 1 | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.10% 0.10%
Financial assets at amortised cost, category | Loans And Advances To Customers | – non-bank financial institutions | – stage 1 | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 96,974 $ 79,687
Financial assets at amortised cost, category | Loans And Advances To Customers | – non-bank financial institutions | – stage 1 | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (56) $ (45)
Financial assets at amortised cost, category | Loans And Advances To Customers | – non-bank financial institutions | Lifetime expected credit losses | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.80% 1.40%
Financial assets at amortised cost, category | Loans And Advances To Customers | – non-bank financial institutions | Lifetime expected credit losses | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 2,413 $ 2,098
Financial assets at amortised cost, category | Loans And Advances To Customers | – non-bank financial institutions | Lifetime expected credit losses | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (19) $ (30)
Financial assets at amortised cost, category | Loans And Advances To Customers | – non-bank financial institutions | Lifetime expected credit losses | Financial instruments credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 61.30% 53.20%
Financial assets at amortised cost, category | Loans And Advances To Customers | – non-bank financial institutions | Lifetime expected credit losses | Financial instruments credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 478 $ 679
Financial assets at amortised cost, category | Loans And Advances To Customers | – non-bank financial institutions | Lifetime expected credit losses | Financial instruments credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (293) $ (361)
Financial assets at amortised cost, category | Loans And Advances To Customers | – non-bank financial institutions | Lifetime expected credit losses | – POCI    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.50% 0.00%
Financial assets at amortised cost, category | Loans And Advances To Customers | – non-bank financial institutions | Lifetime expected credit losses | – POCI | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 193 $ 0
Financial assets at amortised cost, category | Loans And Advances To Customers | – non-bank financial institutions | Lifetime expected credit losses | – POCI | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (1) $ 0
Financial assets at amortised cost, category | Loans And Advances To Banks    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | Loans And Advances To Banks | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 108,469 $ 102,052
Financial assets at amortised cost, category | Loans And Advances To Banks | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (7) $ (13)
Financial assets at amortised cost, category | Loans And Advances To Banks | – stage 1 | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | Loans And Advances To Banks | – stage 1 | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 108,336 $ 101,852
Financial assets at amortised cost, category | Loans And Advances To Banks | – stage 1 | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (4) $ (9)
Financial assets at amortised cost, category | Loans And Advances To Banks | Lifetime expected credit losses | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 1.50% 1.00%
Financial assets at amortised cost, category | Loans And Advances To Banks | Lifetime expected credit losses | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 132 $ 198
Financial assets at amortised cost, category | Loans And Advances To Banks | Lifetime expected credit losses | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (2) $ (2)
Financial assets at amortised cost, category | Loans And Advances To Banks | Lifetime expected credit losses | Financial instruments credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 100.00% 100.00%
Financial assets at amortised cost, category | Loans And Advances To Banks | Lifetime expected credit losses | Financial instruments credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 1 $ 2
Financial assets at amortised cost, category | Loans And Advances To Banks | Lifetime expected credit losses | Financial instruments credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (1) $ (2)
Financial assets at amortised cost, category | Loans And Advances To Banks | Lifetime expected credit losses | – POCI    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | Loans And Advances To Banks | Lifetime expected credit losses | – POCI | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 0
Financial assets at amortised cost, category | Loans And Advances To Banks | Lifetime expected credit losses | – POCI | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 0
Financial assets at amortised cost, category | Other    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | Other | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 890,326 $ 828,580
Financial assets at amortised cost, category | Other | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (129) $ (92)
Financial assets at amortised cost, category | Other | – stage 1 | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | Other | – stage 1 | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 888,491 $ 826,621
Financial assets at amortised cost, category | Other | – stage 1 | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (76) $ (64)
Financial assets at amortised cost, category | Other | Lifetime expected credit losses | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.70% 0.30%
Financial assets at amortised cost, category | Other | Lifetime expected credit losses | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 1,651 $ 1,806
Financial assets at amortised cost, category | Other | Lifetime expected credit losses | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (11) $ (5)
Financial assets at amortised cost, category | Other | Lifetime expected credit losses | Financial instruments credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 22.80% 15.00%
Financial assets at amortised cost, category | Other | Lifetime expected credit losses | Financial instruments credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 184 $ 153
Financial assets at amortised cost, category | Other | Lifetime expected credit losses | Financial instruments credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (42) $ (23)
Financial assets at amortised cost, category | Other | Lifetime expected credit losses | – POCI    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | Other | Lifetime expected credit losses | – POCI | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 0
Financial assets at amortised cost, category | Other | Lifetime expected credit losses | – POCI | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 0
Financial assets at amortised cost, category | – loan and other credit-related commitments    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.10%
Financial assets at amortised cost, category | – loan and other credit-related commitments | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 690,792 $ 619,367
Financial assets at amortised cost, category | – loan and other credit-related commitments | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (315) $ (348)
Financial assets at amortised cost, category | – loan and other credit-related commitments | – stage 1 | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | – loan and other credit-related commitments | – stage 1 | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 669,648 $ 597,231
Financial assets at amortised cost, category | – loan and other credit-related commitments | – stage 1 | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (149) $ (137)
Financial assets at amortised cost, category | – loan and other credit-related commitments | Lifetime expected credit losses | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.50% 0.60%
Financial assets at amortised cost, category | – loan and other credit-related commitments | Lifetime expected credit losses | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 20,488 $ 21,175
Financial assets at amortised cost, category | – loan and other credit-related commitments | Lifetime expected credit losses | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (97) $ (121)
Financial assets at amortised cost, category | – loan and other credit-related commitments | Lifetime expected credit losses | Financial instruments credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 10.60% 9.40%
Financial assets at amortised cost, category | – loan and other credit-related commitments | Lifetime expected credit losses | Financial instruments credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 652 $ 958
Financial assets at amortised cost, category | – loan and other credit-related commitments | Lifetime expected credit losses | Financial instruments credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (69) $ (90)
Financial assets at amortised cost, category | – loan and other credit-related commitments | Lifetime expected credit losses | – POCI    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | – loan and other credit-related commitments | Lifetime expected credit losses | – POCI | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 4 $ 3
Financial assets at amortised cost, category | – loan and other credit-related commitments | Lifetime expected credit losses | – POCI | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 0
Financial assets at amortised cost, category | – loan and other credit-related commitments | – personal    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | – loan and other credit-related commitments | – personal | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 272,531 $ 253,255
Financial assets at amortised cost, category | – loan and other credit-related commitments | – personal | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (27) $ (22)
Financial assets at amortised cost, category | – loan and other credit-related commitments | – personal | – stage 1 | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | – loan and other credit-related commitments | – personal | – stage 1 | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 270,494 $ 251,489
Financial assets at amortised cost, category | – loan and other credit-related commitments | – personal | – stage 1 | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (22) $ (17)
Financial assets at amortised cost, category | – loan and other credit-related commitments | – personal | Lifetime expected credit losses | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.30% 0.00%
Financial assets at amortised cost, category | – loan and other credit-related commitments | – personal | Lifetime expected credit losses | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 1,945 $ 1,680
Financial assets at amortised cost, category | – loan and other credit-related commitments | – personal | Lifetime expected credit losses | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (5) $ 0
Financial assets at amortised cost, category | – loan and other credit-related commitments | – personal | Lifetime expected credit losses | Financial instruments credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 5.80%
Financial assets at amortised cost, category | – loan and other credit-related commitments | – personal | Lifetime expected credit losses | Financial instruments credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 92 $ 86
Financial assets at amortised cost, category | – loan and other credit-related commitments | – personal | Lifetime expected credit losses | Financial instruments credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ (5)
Financial assets at amortised cost, category | – loan and other credit-related commitments | – personal | Lifetime expected credit losses | – POCI    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | – loan and other credit-related commitments | – personal | Lifetime expected credit losses | – POCI | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 0
Financial assets at amortised cost, category | – loan and other credit-related commitments | – personal | Lifetime expected credit losses | – POCI | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 0
Financial assets at amortised cost, category | – loan and other credit-related commitments | – corporate and commercial    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.10% 0.10%
Financial assets at amortised cost, category | – loan and other credit-related commitments | – corporate and commercial | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 270,953 $ 249,495
Financial assets at amortised cost, category | – loan and other credit-related commitments | – corporate and commercial | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (272) $ (310)
Financial assets at amortised cost, category | – loan and other credit-related commitments | – corporate and commercial | – stage 1 | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | – loan and other credit-related commitments | – corporate and commercial | – stage 1 | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 255,740 $ 231,201
Financial assets at amortised cost, category | – loan and other credit-related commitments | – corporate and commercial | – stage 1 | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (115) $ (111)
Financial assets at amortised cost, category | – loan and other credit-related commitments | – corporate and commercial | Lifetime expected credit losses | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.60% 0.70%
Financial assets at amortised cost, category | – loan and other credit-related commitments | – corporate and commercial | Lifetime expected credit losses | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 14,649 $ 17,453
Financial assets at amortised cost, category | – loan and other credit-related commitments | – corporate and commercial | Lifetime expected credit losses | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (88) $ (116)
Financial assets at amortised cost, category | – loan and other credit-related commitments | – corporate and commercial | Lifetime expected credit losses | Financial instruments credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 12.30% 9.90%
Financial assets at amortised cost, category | – loan and other credit-related commitments | – corporate and commercial | Lifetime expected credit losses | Financial instruments credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 560 $ 838
Financial assets at amortised cost, category | – loan and other credit-related commitments | – corporate and commercial | Lifetime expected credit losses | Financial instruments credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (69) $ (83)
Financial assets at amortised cost, category | – loan and other credit-related commitments | – corporate and commercial | Lifetime expected credit losses | – POCI    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | – loan and other credit-related commitments | – corporate and commercial | Lifetime expected credit losses | – POCI | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 4 $ 3
Financial assets at amortised cost, category | – loan and other credit-related commitments | – corporate and commercial | Lifetime expected credit losses | – POCI | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 0
Financial assets at amortised cost, category | – loan and other credit-related commitments | – financial    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | – loan and other credit-related commitments | – financial | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 147,308 $ 116,617
Financial assets at amortised cost, category | – loan and other credit-related commitments | – financial | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (16) $ (16)
Financial assets at amortised cost, category | – loan and other credit-related commitments | – financial | – stage 1 | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | – loan and other credit-related commitments | – financial | – stage 1 | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 143,414 $ 114,541
Financial assets at amortised cost, category | – loan and other credit-related commitments | – financial | – stage 1 | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (12) $ (9)
Financial assets at amortised cost, category | – loan and other credit-related commitments | – financial | Lifetime expected credit losses | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.10% 0.20%
Financial assets at amortised cost, category | – loan and other credit-related commitments | – financial | Lifetime expected credit losses | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 3,894 $ 2,042
Financial assets at amortised cost, category | – loan and other credit-related commitments | – financial | Lifetime expected credit losses | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (4) $ (5)
Financial assets at amortised cost, category | – loan and other credit-related commitments | – financial | Lifetime expected credit losses | Financial instruments credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 5.90%
Financial assets at amortised cost, category | – loan and other credit-related commitments | – financial | Lifetime expected credit losses | Financial instruments credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 34
Financial assets at amortised cost, category | – loan and other credit-related commitments | – financial | Lifetime expected credit losses | Financial instruments credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ (2)
Financial assets at amortised cost, category | – loan and other credit-related commitments | – financial | Lifetime expected credit losses | – POCI    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | – loan and other credit-related commitments | – financial | Lifetime expected credit losses | – POCI | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 0
Financial assets at amortised cost, category | – loan and other credit-related commitments | – financial | Lifetime expected credit losses | – POCI | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 0
Financial assets at amortised cost, category | – financial guarantees    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.30% 0.20%
Financial assets at amortised cost, category | – financial guarantees | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 17,476 $ 16,998
Financial assets at amortised cost, category | – financial guarantees | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (51) $ (29)
Financial assets at amortised cost, category | – financial guarantees | – stage 1 | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.10% 0.10%
Financial assets at amortised cost, category | – financial guarantees | – stage 1 | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 15,913 $ 15,353
Financial assets at amortised cost, category | – financial guarantees | – stage 1 | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (8) $ (8)
Financial assets at amortised cost, category | – financial guarantees | Lifetime expected credit losses | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 1.20% 0.40%
Financial assets at amortised cost, category | – financial guarantees | Lifetime expected credit losses | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 1,371 $ 1,397
Financial assets at amortised cost, category | – financial guarantees | Lifetime expected credit losses | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (17) $ (5)
Financial assets at amortised cost, category | – financial guarantees | Lifetime expected credit losses | Financial instruments credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 13.50% 6.50%
Financial assets at amortised cost, category | – financial guarantees | Lifetime expected credit losses | Financial instruments credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 192 $ 248
Financial assets at amortised cost, category | – financial guarantees | Lifetime expected credit losses | Financial instruments credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (26) $ (16)
Financial assets at amortised cost, category | – financial guarantees | Lifetime expected credit losses | – POCI    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | – financial guarantees | Lifetime expected credit losses | – POCI | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 0
Financial assets at amortised cost, category | – financial guarantees | Lifetime expected credit losses | – POCI | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 0
Financial assets at amortised cost, category | – financial guarantees | – personal    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.10% 0.00%
Financial assets at amortised cost, category | – financial guarantees | – personal | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 1,446 $ 1,427
Financial assets at amortised cost, category | – financial guarantees | – personal | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (1) $ 0
Financial assets at amortised cost, category | – financial guarantees | – personal | – stage 1 | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.10% 0.00%
Financial assets at amortised cost, category | – financial guarantees | – personal | – stage 1 | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 1,446 $ 1,416
Financial assets at amortised cost, category | – financial guarantees | – personal | – stage 1 | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (1) $ 0
Financial assets at amortised cost, category | – financial guarantees | – personal | Lifetime expected credit losses | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | – financial guarantees | – personal | Lifetime expected credit losses | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 11
Financial assets at amortised cost, category | – financial guarantees | – personal | Lifetime expected credit losses | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 0
Financial assets at amortised cost, category | – financial guarantees | – personal | Lifetime expected credit losses | Financial instruments credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | – financial guarantees | – personal | Lifetime expected credit losses | Financial instruments credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 0
Financial assets at amortised cost, category | – financial guarantees | – personal | Lifetime expected credit losses | Financial instruments credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 0
Financial assets at amortised cost, category | – financial guarantees | – personal | Lifetime expected credit losses | – POCI    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | – financial guarantees | – personal | Lifetime expected credit losses | – POCI | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 0
Financial assets at amortised cost, category | – financial guarantees | – personal | Lifetime expected credit losses | – POCI | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 0
Financial assets at amortised cost, category | – financial guarantees | – corporate and commercial    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.40% 0.20%
Financial assets at amortised cost, category | – financial guarantees | – corporate and commercial | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 11,548 $ 11,475
Financial assets at amortised cost, category | – financial guarantees | – corporate and commercial | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (49) $ (27)
Financial assets at amortised cost, category | – financial guarantees | – corporate and commercial | – stage 1 | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.10% 0.10%
Financial assets at amortised cost, category | – financial guarantees | – corporate and commercial | – stage 1 | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 10,071 $ 10,048
Financial assets at amortised cost, category | – financial guarantees | – corporate and commercial | – stage 1 | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (6) $ (7)
Financial assets at amortised cost, category | – financial guarantees | – corporate and commercial | Lifetime expected credit losses | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 1.30% 0.40%
Financial assets at amortised cost, category | – financial guarantees | – corporate and commercial | Lifetime expected credit losses | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 1,287 $ 1,232
Financial assets at amortised cost, category | – financial guarantees | – corporate and commercial | Lifetime expected credit losses | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (17) $ (5)
Financial assets at amortised cost, category | – financial guarantees | – corporate and commercial | Lifetime expected credit losses | Financial instruments credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 13.70% 7.70%
Financial assets at amortised cost, category | – financial guarantees | – corporate and commercial | Lifetime expected credit losses | Financial instruments credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 190 $ 195
Financial assets at amortised cost, category | – financial guarantees | – corporate and commercial | Lifetime expected credit losses | Financial instruments credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (26) $ (15)
Financial assets at amortised cost, category | – financial guarantees | – corporate and commercial | Lifetime expected credit losses | – POCI    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | – financial guarantees | – corporate and commercial | Lifetime expected credit losses | – POCI | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 0
Financial assets at amortised cost, category | – financial guarantees | – corporate and commercial | Lifetime expected credit losses | – POCI | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 0
Financial assets at amortised cost, category | – financial guarantees | – financial    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | – financial guarantees | – financial | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 4,482 $ 4,096
Financial assets at amortised cost, category | – financial guarantees | – financial | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (1) $ (2)
Financial assets at amortised cost, category | – financial guarantees | – financial | – stage 1 | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | – financial guarantees | – financial | – stage 1 | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 4,396 $ 3,889
Financial assets at amortised cost, category | – financial guarantees | – financial | – stage 1 | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ (1) $ (1)
Financial assets at amortised cost, category | – financial guarantees | – financial | Lifetime expected credit losses | Financial instruments not credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | – financial guarantees | – financial | Lifetime expected credit losses | Financial instruments not credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 84 $ 154
Financial assets at amortised cost, category | – financial guarantees | – financial | Lifetime expected credit losses | Financial instruments not credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 0
Financial assets at amortised cost, category | – financial guarantees | – financial | Lifetime expected credit losses | Financial instruments credit-impaired    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 1.90%
Financial assets at amortised cost, category | – financial guarantees | – financial | Lifetime expected credit losses | Financial instruments credit-impaired | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 2 $ 53
Financial assets at amortised cost, category | – financial guarantees | – financial | Lifetime expected credit losses | Financial instruments credit-impaired | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ (1)
Financial assets at amortised cost, category | – financial guarantees | – financial | Lifetime expected credit losses | – POCI    
Disclosure of credit risk exposure [line items]    
Expected credit loss rate 0.00% 0.00%
Financial assets at amortised cost, category | – financial guarantees | – financial | Lifetime expected credit losses | – POCI | Gross carrying amount    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 0
Financial assets at amortised cost, category | – financial guarantees | – financial | Lifetime expected credit losses | – POCI | Allowance for ECL    
Disclosure of credit risk exposure [line items]    
Financial assets $ 0 $ 0