v3.25.2
Revenue Recognition - Schedule of Revenue Recognition (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 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
Data services revenues        
Disaggregation of Revenue [Line Items]        
Total revenues 255 240 501 475
Services transferred at a point in time        
Disaggregation of Revenue [Line Items]        
Total revenues, less transaction-based expenses 1,133 972 2,209 1,931
Services transferred over time        
Disaggregation of Revenue [Line Items]        
Total revenues, less transaction-based expenses 1,410 1,345 2,807 2,676
Exchanges Segment        
Disaggregation of Revenue [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
Exchanges Segment | Data services revenues        
Disaggregation of Revenue [Line Items]        
Total revenues 255 240 501 475
Exchanges Segment | Net Interest Income        
Disaggregation of Revenue [Line Items]        
Total revenues   23   47
Revenue related to net interest income earned 27   52  
Exchanges Segment | Services transferred at a point in time        
Disaggregation of Revenue [Line Items]        
Total revenues, less transaction-based expenses 894 757 1,746 1,499
Exchanges Segment | Services transferred over time        
Disaggregation of Revenue [Line Items]        
Total revenues, less transaction-based expenses 521 489 1,036 970
Exchanges Segment | Services transferred over time | Data services revenues        
Disaggregation of Revenue [Line Items]        
Total revenues, less transaction-based expenses 255 240 501 475
Exchanges Segment | Services transferred over time | Services transferred over time related to risk management of open interest performance obligations        
Disaggregation of Revenue [Line Items]        
Total revenues, less transaction-based expenses 114 94 223 187
Exchanges Segment | Services transferred over time | Services transferred over time related to listings        
Disaggregation of Revenue [Line Items]        
Total revenues, less transaction-based expenses 123 122 245 244
Exchanges Segment | Services transferred over time | Services transferred over time related to regulatory fees, trading permits, and software licenses        
Disaggregation of Revenue [Line Items]        
Total revenues, less transaction-based expenses 29 33 67 64
Fixed Income and Data Services Segment        
Disaggregation of Revenue [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
Fixed Income and Data Services Segment | Data services revenues        
Disaggregation of Revenue [Line Items]        
Total revenues 0 0 0 0
Fixed Income and Data Services Segment | Net Interest Income        
Disaggregation of Revenue [Line Items]        
Total revenues   34   72
Revenue related to net interest income earned 28   54  
Fixed Income and Data Services Segment | Services transferred at a point in time        
Disaggregation of Revenue [Line Items]        
Total revenues, less transaction-based expenses 106 101 220 212
Fixed Income and Data Services Segment | Services transferred over time        
Disaggregation of Revenue [Line Items]        
Total revenues, less transaction-based expenses 491 464 973 921
Fixed Income and Data Services Segment | Services transferred over time | Services transferred over time related to risk management of open interest performance obligations        
Disaggregation of Revenue [Line Items]        
Total revenues, less transaction-based expenses 8 7 19 15
Fixed Income and Data Services Segment | Services transferred over time | Data services revenues        
Disaggregation of Revenue [Line Items]        
Total revenues, less transaction-based expenses 483 457 954 906
Mortgage Technology Segment        
Disaggregation of Revenue [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
Mortgage Technology Segment | Data services revenues        
Disaggregation of Revenue [Line Items]        
Total revenues 0 0 0 0
Mortgage Technology Segment | Services transferred at a point in time        
Disaggregation of Revenue [Line Items]        
Total revenues, less transaction-based expenses 133 114 243 220
Mortgage Technology Segment | Services transferred over time        
Disaggregation of Revenue [Line Items]        
Total revenues, less transaction-based expenses 398 392 798 785
Mortgage Technology Segment | Services transferred over time | Recurring revenues        
Disaggregation of Revenue [Line Items]        
Total revenues, less transaction-based expenses 395 387 792 777
Mortgage Technology Segment | Services transferred over time | Other        
Disaggregation of Revenue [Line Items]        
Total revenues, less transaction-based expenses $ 3 $ 5 $ 6 $ 8