v3.25.4
Report of Directors Financial Review Risk Report - Maximum exposure to credit risk (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Disclosure of detailed information about financial instruments [line items]    
Maximum exposure $ 3,302,760 $ 3,126,371
Offset (260,759) (281,462)
Net 3,042,001 2,844,909
Total on-balance sheet exposure to credit risk    
Disclosure of detailed information about financial instruments [line items]    
Maximum exposure 2,234,598 2,155,761
Offset (260,759) (281,462)
Net 1,973,839 1,874,299
Total on-balance sheet exposure to credit risk | Assets held for sale    
Disclosure of detailed information about financial instruments [line items]    
Maximum exposure 11,115 27,234
Offset 0 0
Net 11,115 27,234
Total on-balance sheet exposure to credit risk | Loans And Advances To Customers    
Disclosure of detailed information about financial instruments [line items]    
Maximum exposure 988,399 930,658
Offset (25,671) (22,822)
Net 962,728 907,836
Total on-balance sheet exposure to credit risk | Loans And Advances To Customers | – personal    
Disclosure of detailed information about financial instruments [line items]    
Maximum exposure 471,731 444,701
Offset (3,568) (2,256)
Net 468,163 442,445
Total on-balance sheet exposure to credit risk | Loans And Advances To Customers | – corporate and commercial    
Disclosure of detailed information about financial instruments [line items]    
Maximum exposure 416,979 403,929
Offset (20,636) (18,897)
Net 396,343 385,032
Total on-balance sheet exposure to credit risk | Loans And Advances To Customers | – non-bank financial institutions    
Disclosure of detailed information about financial instruments [line items]    
Maximum exposure 99,689 82,028
Offset (1,467) (1,669)
Net 98,222 80,359
Total on-balance sheet exposure to credit risk | Loans And Advances To Banks    
Disclosure of detailed information about financial instruments [line items]    
Maximum exposure 108,462 102,039
Offset 0 0
Net 108,462 102,039
Total on-balance sheet exposure to credit risk | Other    
Disclosure of detailed information about financial instruments [line items]    
Maximum exposure 888,882 827,193
Offset (5,865) (4,383)
Net 883,017 822,810
Total on-balance sheet exposure to credit risk | – cash and balances at central banks    
Disclosure of detailed information about financial instruments [line items]    
Maximum exposure 242,859 267,674
Offset 0 0
Net 242,859 267,674
Total on-balance sheet exposure to credit risk | – Hong Kong Government certificates of indebtedness    
Disclosure of detailed information about financial instruments [line items]    
Maximum exposure 44,063 42,293
Offset 0 0
Net 44,063 42,293
Total on-balance sheet exposure to credit risk | Reverse repurchase agreements – non-trading    
Disclosure of detailed information about financial instruments [line items]    
Maximum exposure 298,392 252,549
Offset (5,865) (4,383)
Net 292,527 248,166
Total on-balance sheet exposure to credit risk | Financial investments    
Disclosure of detailed information about financial instruments [line items]    
Maximum exposure 182,089 153,973
Offset 0 0
Net 182,089 153,973
Total on-balance sheet exposure to credit risk | – prepayments, accrued income and other assets    
Disclosure of detailed information about financial instruments [line items]    
Maximum exposure 121,479 110,704
Offset 0 0
Net 121,479 110,704
Total on-balance sheet exposure to credit risk | Derivatives    
Disclosure of detailed information about financial instruments [line items]    
Maximum exposure 237,740 268,637
Offset (229,223) (254,257)
Net 8,517 14,380
Total off-balance sheet    
Disclosure of detailed information about financial instruments [line items]    
Maximum exposure 1,068,162 970,610
Offset 0 0
Net 1,068,162 970,610
Total off-balance sheet | – financial and other guarantees    
Disclosure of detailed information about financial instruments [line items]    
Maximum exposure 119,840 109,380
Offset 0 0
Net 119,840 109,380
Total off-balance sheet | – loan and other credit-related commitments    
Disclosure of detailed information about financial instruments [line items]    
Maximum exposure 948,322 861,230
Offset 0 0
Net $ 948,322 $ 861,230