v3.26.3
Investments in Unconsolidated Affiliates (Details) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Apr. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Schedule of Investments [Line Items]            
Investments in unconsolidated affiliates   $ 1,122   $ 1,122   $ 1,046
Equity securities without a readily determinable fair value   109   109   126
Equity securities without readily determinable fair value, upward price adjustment, annual amount   $ 0 $ 0 $ 0 $ 0  
Wells Fargo Merchant Services (WFMS)            
Schedule of Investments [Line Items]            
Percentage of interest owned in affiliate   40.00%   40.00%    
Proceeds from divestiture of interest in joint venture $ 453          
Lending Joint Ventures            
Schedule of Investments [Line Items]            
Investments in unconsolidated affiliates   $ 96   $ 96   88
Other Strategic Investments            
Schedule of Investments [Line Items]            
Investments in unconsolidated affiliates   318   318   208
Banc of America Merchant Services            
Schedule of Investments [Line Items]            
Investments in unconsolidated affiliates   705   705   $ 736
Affiliated entities            
Schedule of Investments [Line Items]            
Revenues   $ 18 $ 21 $ 56 $ 72