v3.26.1
Fair Value Measurements - Fair Value Measurement (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Assets    
Derivative assets, net $ 17 $ 7
Liabilities    
Securities sold, not yet purchased 748 1,382
Derivative liabilities, net 735 595
Recurring measurement    
Assets    
Investments 1,533 2,149
Derivative assets, net 17 7
Assets 1,550 2,156
Liabilities    
Securities sold, not yet purchased 748 1,382
Derivative liabilities, net 735 595
RFS obligations 204 72
Liabilities 1,687 2,049
Recurring measurement | Level 1    
Assets    
Investments 1,530 2,108
Assets 1,530 2,108
Liabilities    
Securities sold, not yet purchased 748 1,382
Liabilities 748 1,382
Recurring measurement | Level 2    
Assets    
Derivative assets, net 17 7
Assets 17 7
Liabilities    
Derivative liabilities, net 735 595
RFS obligations 204 72
Liabilities 939 667
Recurring measurement | Level 3    
Assets    
Investments 3 41
Assets $ 3 $ 41