v3.25.1
Revenue Recognition - Schedule of Revenue Recognition (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Disaggregation of Revenue [Line Items]    
Total revenues $ 3,229 $ 2,801
Transaction-based expenses 756 511
Total revenues, less transaction-based expenses 2,473 2,290
Data services revenues    
Disaggregation of Revenue [Line Items]    
Total revenues 246 235
Services transferred at a point in time    
Disaggregation of Revenue [Line Items]    
Total revenues, less transaction-based expenses 1,076 959
Services transferred over time    
Disaggregation of Revenue [Line Items]    
Total revenues, less transaction-based expenses 1,397 1,331
Exchanges Segment    
Disaggregation of Revenue [Line Items]    
Total revenues 2,123 1,734
Transaction-based expenses 756 511
Total revenues, less transaction-based expenses 1,367 1,223
Exchanges Segment | Data services revenues    
Disaggregation of Revenue [Line Items]    
Total revenues 246 235
Exchanges Segment | Net Interest Income    
Disaggregation of Revenue [Line Items]    
Total revenues   24
Revenue related to net interest income earned 25  
Exchanges Segment | Services transferred at a point in time    
Disaggregation of Revenue [Line Items]    
Total revenues, less transaction-based expenses 852 742
Exchanges Segment | Services transferred over time    
Disaggregation of Revenue [Line Items]    
Total revenues, less transaction-based expenses 515 481
Exchanges Segment | Services transferred over time | Data services revenues    
Disaggregation of Revenue [Line Items]    
Total revenues, less transaction-based expenses 246 235
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 109 93
Exchanges Segment | Services transferred over time | Services transferred over time related to listings    
Disaggregation of Revenue [Line Items]    
Total revenues, less transaction-based expenses 122 122
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 38 31
Fixed Income and Data Services Segment    
Disaggregation of Revenue [Line Items]    
Total revenues 596 568
Transaction-based expenses 0 0
Total revenues, less transaction-based expenses 596 568
Fixed Income and Data Services Segment | Data services revenues    
Disaggregation of Revenue [Line Items]    
Total revenues 0 0
Fixed Income and Data Services Segment | Net Interest Income    
Disaggregation of Revenue [Line Items]    
Total revenues   38
Revenue related to net interest income earned 26  
Fixed Income and Data Services Segment | Services transferred at a point in time    
Disaggregation of Revenue [Line Items]    
Total revenues, less transaction-based expenses 114 111
Fixed Income and Data Services Segment | Services transferred over time    
Disaggregation of Revenue [Line Items]    
Total revenues, less transaction-based expenses 482 457
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 11 8
Fixed Income and Data Services Segment | Services transferred over time | Data services revenues    
Disaggregation of Revenue [Line Items]    
Total revenues, less transaction-based expenses 471 449
Mortgage Technology Segment    
Disaggregation of Revenue [Line Items]    
Total revenues 510 499
Transaction-based expenses 0 0
Total revenues, less transaction-based expenses 510 499
Mortgage Technology Segment | Data services revenues    
Disaggregation of Revenue [Line Items]    
Total revenues 0 0
Mortgage Technology Segment | Services transferred at a point in time    
Disaggregation of Revenue [Line Items]    
Total revenues, less transaction-based expenses 110 106
Mortgage Technology Segment | Services transferred over time    
Disaggregation of Revenue [Line Items]    
Total revenues, less transaction-based expenses 400 393
Mortgage Technology Segment | Services transferred over time | Recurring revenues    
Disaggregation of Revenue [Line Items]    
Total revenues, less transaction-based expenses 397 390
Mortgage Technology Segment | Services transferred over time | Other    
Disaggregation of Revenue [Line Items]    
Total revenues, less transaction-based expenses $ 3 $ 3