v3.25.3
Business Segments (Schedule of Operating Segments) (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Segment Reporting Information [Line Items]        
Total revenues $ 1,958 $ 1,902 $ 6,138 $ 5,370
Transaction-based expenses (643) (756) (2,281) (1,948)
Revenues less transaction-based expenses 1,315 1,146 3,857 3,422
Direct and directly consumed expenses 479 461 1,433 1,343
Other expenses 250 237 722 798
Operating income (loss) 586 448 1,702 1,281
Depreciation and amortization 158 153 471 460
Amortization of acquired intangible assets 122 122 365 366
Purchase of property and equipment 69 57 177 147
Operating segments | Capital Access Platforms:        
Segment Reporting Information [Line Items]        
Total revenues 546 501 1,588 1,460
Direct and directly consumed expenses 175 173 523 498
Other expenses 46 38 127 122
Operating income (loss) 325 290 938 840
Depreciation and amortization 11 10 34 31
Purchase of property and equipment 18 16 46 37
Operating segments | Financial Technology        
Segment Reporting Information [Line Items]        
Total revenues 457 371 1,352 1,183
Total revenues   405   1,217
Direct and directly consumed expenses 220 203 646 595
Other expenses 31 20 87 66
Operating income (loss) 206 182 619 556
Depreciation and amortization 14 10 38 31
Purchase of property and equipment 37 27 89 71
Operating segments | Market Services        
Segment Reporting Information [Line Items]        
Total revenues 946 1,022 3,171 2,700
Transaction-based expenses (643) (756) (2,281) (1,948)
Revenues less transaction-based expenses 303 266 890 752
Direct and directly consumed expenses 84 85 264 250
Other expenses 22 20 62 63
Operating income (loss) 197 161 564 439
Depreciation and amortization 11 10 34 30
Purchase of property and equipment 14 14 42 39
Corporate        
Segment Reporting Information [Line Items]        
Total revenues 9 (26) 27 (7)
Direct and directly consumed expenses 151 159 446 547
Other expenses 151 159 446 547
Operating income (loss) (142) (185) (419) (554)
Amortization of acquired intangible assets $ 122 $ 123 $ 365 $ 368