v3.25.2
Segment Reporting - Schedule of Segment Reporting Information (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Segment Reporting Information [Line Items]        
Total revenues $ 3,262 $ 2,897 $ 6,491 $ 5,698
Transaction-based expenses 719 580 1,475 1,091
Total revenues, less transaction-based expenses 2,543 2,317 5,016 4,607
Other Expenses 841 855 1,672 1,665
Depreciation and amortization 395 381 784 762
Acquisition-related transaction and integration costs 10 15 42 51
Total operating expenses 1,246 1,251 2,498 2,478
Operating income/(loss) 1,297 1,066 2,518 2,129
Nonoperating Income (Expense) (165) (205) (319) (304)
Income before income tax expense 1,132 861 2,199 1,825
Exchanges Segment        
Segment Reporting Information [Line Items]        
Total revenues 2,134 1,826 4,257 3,560
Transaction-based expenses 719 580 1,475 1,091
Total revenues, less transaction-based expenses 1,415 1,246 2,782 2,469
Other Expenses 289 294 579 550
Depreciation and amortization 64 62 127 132
Acquisition-related transaction and integration costs 0 0 1 0
Total operating expenses 353 356 707 682
Operating income/(loss) 1,062 890 2,075 1,787
Fixed Income and Data Services Segment        
Segment Reporting Information [Line Items]        
Total revenues 597 565 1,193 1,133
Transaction-based expenses 0 0 0 0
Total revenues, less transaction-based expenses 597 565 1,193 1,133
Other Expenses 287 276 564 550
Depreciation and amortization 86 81 170 161
Acquisition-related transaction and integration costs 0 0 0 0
Total operating expenses 373 357 734 711
Operating income/(loss) 224 208 459 422
Mortgage Technology Segment        
Segment Reporting Information [Line Items]        
Total revenues 531 506 1,041 1,005
Transaction-based expenses 0 0 0 0
Total revenues, less transaction-based expenses 531 506 1,041 1,005
Other Expenses 265 285 529 565
Depreciation and amortization 245 238 487 469
Acquisition-related transaction and integration costs 10 15 41 51
Total operating expenses 520 538 1,057 1,085
Operating income/(loss) 11 (32) (16) (80)
Energy futures and options        
Segment Reporting Information [Line Items]        
Total revenues 595 469 1,152 926
Energy futures and options | Exchanges Segment        
Segment Reporting Information [Line Items]        
Total revenues 595 469 1,152 926
Energy futures and options | Fixed Income and Data Services Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Energy futures and options | Mortgage Technology Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Agricultural and metals futures and options        
Segment Reporting Information [Line Items]        
Total revenues 65 71 129 143
Agricultural and metals futures and options | Exchanges Segment        
Segment Reporting Information [Line Items]        
Total revenues 65 71 129 143
Agricultural and metals futures and options | Fixed Income and Data Services Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Agricultural and metals futures and options | Mortgage Technology Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Financial futures and options        
Segment Reporting Information [Line Items]        
Total revenues 158 132 314 267
Financial futures and options | Exchanges Segment        
Segment Reporting Information [Line Items]        
Total revenues 158 132 314 267
Financial futures and options | Fixed Income and Data Services Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Financial futures and options | Mortgage Technology Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Cash equities and equity options        
Segment Reporting Information [Line Items]        
Total revenues 842 691 1,717 1,301
Cash equities and equity options | Exchanges Segment        
Segment Reporting Information [Line Items]        
Total revenues 842 691 1,717 1,301
Cash equities and equity options | Fixed Income and Data Services Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Cash equities and equity options | Mortgage Technology Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
OTC and other        
Segment Reporting Information [Line Items]        
Total revenues 96 101 199 204
OTC and other | Exchanges Segment        
Segment Reporting Information [Line Items]        
Total revenues 96 101 199 204
OTC and other | Fixed Income and Data Services Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
OTC and other | Mortgage Technology Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Data and connectivity services        
Segment Reporting Information [Line Items]        
Total revenues 255 240 501 475
Data and connectivity services | Exchanges Segment        
Segment Reporting Information [Line Items]        
Total revenues 255 240 501 475
Data and connectivity services | Fixed Income and Data Services Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Data and connectivity services | Mortgage Technology Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Listings        
Segment Reporting Information [Line Items]        
Total revenues 123 122 245 244
Listings | Exchanges Segment        
Segment Reporting Information [Line Items]        
Total revenues 123 122 245 244
Listings | Fixed Income and Data Services Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Listings | Mortgage Technology Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Fixed income execution        
Segment Reporting Information [Line Items]        
Total revenues 32 30 63 56
Fixed income execution | Exchanges Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Fixed income execution | Fixed Income and Data Services Segment        
Segment Reporting Information [Line Items]        
Total revenues 32 30 63 56
Fixed income execution | Mortgage Technology Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
CDS clearing        
Segment Reporting Information [Line Items]        
Total revenues 82 78 176 171
CDS clearing | Exchanges Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
CDS clearing | Fixed Income and Data Services Segment        
Segment Reporting Information [Line Items]        
Total revenues 82 78 176 171
CDS clearing | Mortgage Technology Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Fixed income data and analytics        
Segment Reporting Information [Line Items]        
Total revenues 306 293 605 581
Fixed income data and analytics | Exchanges Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Fixed income data and analytics | Fixed Income and Data Services Segment        
Segment Reporting Information [Line Items]        
Total revenues 306 293 605 581
Fixed income data and analytics | Mortgage Technology Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Data and network technology        
Segment Reporting Information [Line Items]        
Total revenues 177 164 349 325
Data and network technology | Exchanges Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Data and network technology | Fixed Income and Data Services Segment        
Segment Reporting Information [Line Items]        
Total revenues 177 164 349 325
Data and network technology | Mortgage Technology Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Origination technology        
Segment Reporting Information [Line Items]        
Total revenues 187 180 362 354
Origination technology | Exchanges Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Origination technology | Fixed Income and Data Services Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Origination technology | Mortgage Technology Segment        
Segment Reporting Information [Line Items]        
Total revenues 187 180 362 354
Closing solutions        
Segment Reporting Information [Line Items]        
Total revenues 58 52 105 96
Closing solutions | Exchanges Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Closing solutions | Fixed Income and Data Services Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Closing solutions | Mortgage Technology Segment        
Segment Reporting Information [Line Items]        
Total revenues 58 52 105 96
Servicing software        
Segment Reporting Information [Line Items]        
Total revenues 220 212 441 426
Servicing software | Exchanges Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Servicing software | Fixed Income and Data Services Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Servicing software | Mortgage Technology Segment        
Segment Reporting Information [Line Items]        
Total revenues 220 212 441 426
Data and analytics        
Segment Reporting Information [Line Items]        
Total revenues 66 62 133 129
Data and analytics | Exchanges Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Data and analytics | Fixed Income and Data Services Segment        
Segment Reporting Information [Line Items]        
Total revenues 0 0 0 0
Data and analytics | Mortgage Technology Segment        
Segment Reporting Information [Line Items]        
Total revenues $ 66 $ 62 $ 133 $ 129