v3.25.2
Revenue from Contracts with Customers - Revenue by Category (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Disaggregation of Revenue [Line Items]        
Total revenue $ 3,448 $ 3,191 $ 6,732 $ 6,329
Servicing fees        
Disaggregation of Revenue [Line Items]        
Total revenue 1,304 1,239 2,579 2,467
Management fees        
Disaggregation of Revenue [Line Items]        
Total revenue 562 511 1,124 1,021
Foreign exchange trading services        
Disaggregation of Revenue [Line Items]        
Total revenue 431 336 793 667
Securities finance        
Disaggregation of Revenue [Line Items]        
Total revenue 126 108 240 204
Software and processing fees        
Disaggregation of Revenue [Line Items]        
Total revenue 230 214 455 421
Other fee revenue        
Disaggregation of Revenue [Line Items]        
Total revenue 66 48 98 98
Total fee revenue        
Disaggregation of Revenue [Line Items]        
Total revenue 2,719 2,456 5,289 4,878
Net interest income        
Disaggregation of Revenue [Line Items]        
Total revenue 729 735 1,443 1,451
Total revenue        
Disaggregation of Revenue [Line Items]        
Total revenue 3,448 3,191    
Operating Segments | Investment Servicing        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue     3,263 3,069
All other revenue     2,269 2,142
Total revenue 2,844 2,624 5,532 5,211
Operating Segments | Investment Servicing | Servicing fees        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue 1,304 1,239 2,579 2,467
All other revenue 0 0 0 0
Total revenue 1,304 1,239 2,579 2,467
Operating Segments | Investment Servicing | Management fees        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue 0 0 0 0
All other revenue 0 0 0 0
Total revenue 0 0 0 0
Operating Segments | Investment Servicing | Foreign exchange trading services        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue 109 95 209 190
All other revenue 281 209 518 422
Total revenue 390 304 727 612
Operating Segments | Investment Servicing | Securities finance        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue 52 46 98 94
All other revenue 67 55 129 97
Total revenue 119 101 227 191
Operating Segments | Investment Servicing | Software and processing fees        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue 208 162 377 318
All other revenue 46 52 102 103
Total revenue 254 214 479 421
Operating Segments | Investment Servicing | Other fee revenue        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue 0 0 0 0
All other revenue 51 36 85 79
Total revenue 51 36 85 79
Operating Segments | Investment Servicing | Total fee revenue        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue 1,673 1,542 3,263 3,069
All other revenue 445 352 834 701
Total revenue 2,118 1,894 4,097 3,770
Operating Segments | Investment Servicing | Net interest income        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue 0 0 0 0
All other revenue 726 730 1,435 1,441
Total revenue 726 730 1,435 1,441
Operating Segments | Investment Servicing | Total revenue        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue 1,673 1,542    
All other revenue 1,171 1,082    
Total revenue 2,844 2,624    
Operating Segments | Investment Management        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue     1,187 1,076
All other revenue     34 42
Total revenue 625 567 1,221 1,118
Operating Segments | Investment Management | Servicing fees        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue 0 0 0 0
All other revenue 0 0 0 0
Total revenue 0 0 0 0
Operating Segments | Investment Management | Management fees        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue 562 511 1,124 1,021
All other revenue 0 0 0 0
Total revenue 562 511 1,124 1,021
Operating Segments | Investment Management | Foreign exchange trading services        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue 38 32 63 55
All other revenue 0 0 0 0
Total revenue 38 32 63 55
Operating Segments | Investment Management | Securities finance        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue 0 0 0 0
All other revenue 7 7 13 13
Total revenue 7 7 13 13
Operating Segments | Investment Management | Software and processing fees        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue 0 0 0 0
All other revenue 0 0 0 0
Total revenue 0 0 0 0
Operating Segments | Investment Management | Other fee revenue        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue 0 0 0 0
All other revenue 15 12 13 19
Total revenue 15 12 13 19
Operating Segments | Investment Management | Total fee revenue        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue 600 543 1,187 1,076
All other revenue 22 19 26 32
Total revenue 622 562 1,213 1,108
Operating Segments | Investment Management | Net interest income        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue 0 0 0 0
All other revenue 3 5 8 10
Total revenue 3 5 8 10
Operating Segments | Investment Management | Total revenue        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue 600 543    
All other revenue 25 24    
Total revenue 625 567    
Other        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue     (24) 0
All other revenue     3 0
Total revenue (21) 0 (21) 0
Other | Servicing fees        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue 0 0 0 0
All other revenue 0 0 0 0
Total revenue 0 0 0 0
Other | Management fees        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue 0 0 0 0
All other revenue 0 0 0 0
Total revenue 0 0 0 0
Other | Foreign exchange trading services        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue 0 0 0 0
All other revenue 3 0 3 0
Total revenue 3 0 3 0
Other | Securities finance        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue 0 0 0 0
All other revenue 0 0 0 0
Total revenue 0 0 0 0
Other | Software and processing fees        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue (24) 0 (24) 0
All other revenue 0 0 0 0
Total revenue (24) 0 (24) 0
Other | Other fee revenue        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue 0 0 0 0
All other revenue 0 0 0 0
Total revenue 0 0 0 0
Other | Total fee revenue        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue (24) 0 (24) 0
All other revenue 3 0 3 0
Total revenue (21) 0 (21) 0
Other | Net interest income        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue 0 0 0 0
All other revenue 0 0 0 0
Total revenue 0 0 $ 0 $ 0
Other | Total revenue        
Disaggregation of Revenue [Line Items]        
Topic 606 revenue (24) 0    
All other revenue 3 0    
Total revenue $ (21) $ 0