v3.25.0.1
Investments (Details) - USD ($)
 4 Months Ended 12 Months Ended
Dec. 31, 2023
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Aug. 12, 2024
Feb. 29, 2024
May 20, 2022
May 19, 2022
Schedule of Equity Method Investments [Line Items]                
Proceeds from the sale of equity investments   $ 0 $ 187,000,000 $ 741,000,000        
Gain (loss) on equity method investments   (62,000,000) (122,000,000) (1,340,000,000)        
Assets $ 136,084,000,000 139,428,000,000 136,084,000,000          
Liabilities 110,298,000,000 111,708,000,000 110,298,000,000          
Total revenues   11,761,000,000 9,903,000,000 9,636,000,000        
Net loss   (2,754,000,000) (2,368,000,000) (1,446,000,000)        
Revolving Credit Facility                
Schedule of Equity Method Investments [Line Items]                
Maximum borrowing capacity   3,900,000,000            
Revolving Credit Facility | Bakkt Credit Facility | Line of Credit                
Schedule of Equity Method Investments [Line Items]                
Maximum borrowing capacity         $ 40,000,000      
Total debt outstanding   $ 0            
Equity Method Investment, Nonconsolidated Investee or Group of Investees                
Schedule of Equity Method Investments [Line Items]                
Assets 455,000,000   455,000,000          
Liabilities 119,000,000   119,000,000          
Total revenues     55,000,000          
Net loss     2,000,000,000          
Dun & Bradstreet                
Schedule of Equity Method Investments [Line Items]                
Proceeds from the sale of equity investments 187,000,000              
Gain (loss) on sale of equity method investment $ (3,000,000)              
Euroclear                
Schedule of Equity Method Investments [Line Items]                
Gain (loss) on sale of equity method investment     41,000,000          
Ownership percentage (in percentage)             9.80% 9.80%
Aggregate cost               $ 631,000,000
Carrying value of investments             $ 700,000,000  
Options Clearing Corporation                
Schedule of Equity Method Investments [Line Items]                
Ownership percentage (in percentage)   40.00%            
Gain (loss) on equity method investments   $ 62,000,000 $ 122,000,000 $ 1,300,000,000        
Bakkt, LLC                
Schedule of Equity Method Investments [Line Items]                
Ownership percentage (in percentage) 64.00% 54.00% 64.00%          
Aggregate cost           $ 10,000,000    
Fair value of investments   $ 185,000,000            
Gain (loss) on equity method investments     $ (1,400,000,000)