XML 101 R91.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Related Party Transactions - Summary of Related Party Transactions (Income - Expense) (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Income (Expense):    
Interest income $ 1,893 $ 1,604
Interest expense (1,467) (1,121)
Net interest income 426 483
Trading revenue (expense) 276 225
Servicing and other fees from HSBC affiliates:    
Gain on instruments designated at fair value and related derivatives (20) (22)
Support services from HSBC affiliates:    
Total support services from HSBC affiliates (399) (384)
Related Party    
Income (Expense):    
Interest income 54 57
Interest expense (130) (119)
Net interest income (76) (62)
Trading revenue (expense) (2,020) (778)
Servicing and other fees from HSBC affiliates:    
Gain on instruments designated at fair value and related derivatives 125 432
Support services from HSBC affiliates:    
Total support services from HSBC affiliates (399) (384)
Rental income from HSBC affiliates, net 14 9
Stock based compensation expense (9) (5)
HSBC Markets (USA) Inc. ("HMUS")    
Support services from HSBC affiliates:    
Total support services from HSBC affiliates (56) (53)
Other HSBC affiliates    
Support services from HSBC affiliates:    
Total support services from HSBC affiliates (108) (111)
HSBC Technology & Services (USA) Inc. ("HTSU")    
Support services from HSBC affiliates:    
Total support services from HSBC affiliates (235) (220)
Servicing and other fees from HSBC affiliates    
Servicing and other fees from HSBC affiliates:    
Other revenues 88 74
Servicing and other fees from HSBC affiliates | Related Party    
Servicing and other fees from HSBC affiliates:    
Other revenues 88 74
Servicing and other fees from HSBC affiliates | HSBC Bank plc    
Servicing and other fees from HSBC affiliates:    
Other revenues 48 41
Servicing and other fees from HSBC affiliates | HSBC Markets (USA) Inc. ("HMUS")    
Servicing and other fees from HSBC affiliates:    
Other revenues 23 18
Servicing and other fees from HSBC affiliates | Other HSBC affiliates    
Servicing and other fees from HSBC affiliates:    
Other revenues $ 17 $ 15