v3.26.1
Contract revenue - Disaggregation of Contract Revenues (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Disaggregation of Revenue [Line Items]        
Total fee and other revenue $ 4,252 $ 3,825 $ 8,291 $ 7,458
Net income (loss) attributable to noncontrolling interests 31 12 29 14
Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue 3,755 3,394 7,240 6,617
Fee and other revenue - not in scope of ASC 606 466 419 1,022 827
Total fee and other revenue 4,221 3,813 8,262 7,444
Investment services fees | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue 2,864 2,556 5,472 4,939
Investment management and performance fees | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue 796 754 1,576 1,502
Financing-related fees | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue 27 15 56 38
Distribution and servicing fees | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue 38 37 75 73
Investment and other revenue | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue 30 32 61 65
Securities Services | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue 1,742 1,519 3,257 2,899
Fee and other revenue - not in scope of ASC 606 304 268 710 546
Total fee and other revenue 2,046 1,787 3,967 3,445
Securities Services | Investment services fees | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue 1,648 1,435 3,069 2,732
Securities Services | Investment management and performance fees | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue 0 0 0 0
Securities Services | Financing-related fees | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue 19 11 38 26
Securities Services | Distribution and servicing fees | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue 0 1 1 2
Securities Services | Investment and other revenue | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue 75 72 149 139
Market and Wealth Services | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue 1,257 1,154 2,485 2,278
Fee and other revenue - not in scope of ASC 606 102 94 195 171
Total fee and other revenue 1,359 1,248 2,680 2,449
Market and Wealth Services | Investment services fees | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue 1,207 1,113 2,384 2,192
Market and Wealth Services | Investment management and performance fees | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue 3 3 6 6
Market and Wealth Services | Financing-related fees | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue 8 3 18 11
Market and Wealth Services | Distribution and servicing fees | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue (34) (34) (68) (67)
Market and Wealth Services | Investment and other revenue | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue 73 69 145 136
Investment and Wealth Management | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue 779 744 1,543 1,482
Fee and other revenue - not in scope of ASC 606 30 16 38 16
Total fee and other revenue 809 760 1,581 1,498
Net income (loss) attributable to noncontrolling interests 31 12 (29) 14
Investment and Wealth Management | Investment services fees | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue 27 26 53 51
Investment and Wealth Management | Investment management and performance fees | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue 796 754 1,577 1,502
Investment and Wealth Management | Financing-related fees | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue 0 1 0 1
Investment and Wealth Management | Distribution and servicing fees | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue 72 69 142 137
Investment and Wealth Management | Investment and other revenue | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue (116) (106) (229) (209)
Other | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue (23) (23) (45) (42)
Fee and other revenue - not in scope of ASC 606 30 41 79 94
Total fee and other revenue 7 18 34 52
Other | Investment services fees | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue (18) (18) (34) (36)
Other | Investment management and performance fees | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue (3) (3) (7) (6)
Other | Financing-related fees | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue 0 0 0 0
Other | Distribution and servicing fees | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue 0 1 0 1
Other | Investment and other revenue | Operating segments        
Disaggregation of Revenue [Line Items]        
Total fee revenue and other revenue - contract revenue $ (2) $ (3) $ (4) $ (1)