v3.25.2
Derivatives - Notional contract amounts and fair value of derivatives by product contract type held by HSBC (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Dec. 31, 2024
Disclosure of detailed information about hedging instruments [line items]    
Notional contract amount of trading instruments $ 34,101,683 $ 30,052,812
Notional contract amount of hedging instruments 546,404 488,270
Fair value of trading assets $ 358,015 $ 373,855
Fair value of hedging assets 5,907 7,528
Gross total fair values of derivative assets 363,922 381,383
Fair value of derivative assets 249,672 268,637
Fair value of trading liabilities 364,654 372,189
Fair value of hedging liabilities 7,197 5,005
Gross total fair values of derivative liabilities 371,851 377,194
Fair value of derivative liabilities 257,601 264,448
Derivatives    
Disclosure of detailed information about hedging instruments [line items]    
Amounts offset on derivative liabilities (114,250) (112,746)
Derivatives    
Disclosure of detailed information about hedging instruments [line items]    
Amounts offset on derivative assets (114,250) (112,746)
Foreign exchange    
Disclosure of detailed information about hedging instruments [line items]    
Notional contract amount of trading instruments $ 14,089,219 $ 11,706,591
Notional contract amount of hedging instruments 102,052 82,161
Fair value of trading assets $ 119,794 $ 142,055
Fair value of hedging assets 592 2,738
Gross total fair values of derivative assets 120,386 144,793
Fair value of trading liabilities 120,166 133,910
Fair value of hedging liabilities 2,114 75
Gross total fair values of derivative liabilities 122,280 133,985
Interest rate    
Disclosure of detailed information about hedging instruments [line items]    
Notional contract amount of trading instruments $ 18,843,944 $ 17,316,173
Notional contract amount of hedging instruments 444,352 406,109
Fair value of trading assets $ 216,249 $ 209,794
Fair value of hedging assets 5,315 4,790
Gross total fair values of derivative assets 221,564 214,584
Fair value of trading liabilities 212,818 212,980
Fair value of hedging liabilities 5,083 4,930
Gross total fair values of derivative liabilities 217,901 217,910
Equities    
Disclosure of detailed information about hedging instruments [line items]    
Notional contract amount of trading instruments $ 868,213 $ 768,732
Notional contract amount of hedging instruments 0 0
Fair value of trading assets $ 16,443 $ 17,116
Fair value of hedging assets 0 0
Gross total fair values of derivative assets 16,443 17,116
Fair value of trading liabilities 24,133 20,643
Fair value of hedging liabilities 0 0
Gross total fair values of derivative liabilities 24,133 20,643
Credit    
Disclosure of detailed information about hedging instruments [line items]    
Notional contract amount of trading instruments $ 151,437 $ 143,136
Notional contract amount of hedging instruments 0 0
Fair value of trading assets $ 1,237 $ 1,756
Fair value of hedging assets 0 0
Gross total fair values of derivative assets 1,237 1,756
Fair value of trading liabilities 2,106 1,769
Fair value of hedging liabilities 0 0
Gross total fair values of derivative liabilities 2,106 1,769
Commodity and other    
Disclosure of detailed information about hedging instruments [line items]    
Notional contract amount of trading instruments $ 148,870 $ 118,180
Notional contract amount of hedging instruments 0 0
Fair value of trading assets $ 4,292 $ 3,134
Fair value of hedging assets 0 0
Gross total fair values of derivative assets 4,292 3,134
Fair value of trading liabilities 5,431 2,887
Fair value of hedging liabilities 0 0
Gross total fair values of derivative liabilities $ 5,431 $ 2,887