v3.25.2
Loans - Credit Card Loan Portfolio, Payment Status of FDMs and Defaults of FDMs (Details) - Credit card
$ in Millions
6 Months Ended
Jun. 30, 2025
USD ($)
loan_payment
Jun. 30, 2024
USD ($)
Financing Receivable, Modified [Line Items]    
Amortized cost of FDMs during the last 12 months $ 1,297 $ 804
Number of payments past due considered payment default for modified loans | loan_payment 2  
Current and less than 30 days past due and still accruing    
Financing Receivable, Modified [Line Items]    
Amortized cost of FDMs during the last 12 months $ 1,135 701
30–89 days past due and still accruing    
Financing Receivable, Modified [Line Items]    
Amortized cost of FDMs during the last 12 months 102 61
90 or more days past due and still accruing    
Financing Receivable, Modified [Line Items]    
Amortized cost of FDMs during the last 12 months $ 60 $ 42