Loans - Credit Card Loan Portfolio, Payment Status of FDMs and Defaults of FDMs (Details) - Credit card $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2026
USD ($)
|
Jun. 30, 2025
USD ($)
|
Jun. 30, 2026
USD ($)
loan_payment
|
Jun. 30, 2025
USD ($)
|
|
| Financing Receivable, Modified [Line Items] | ||||
| Amortized cost of FDMs during the last 12 months | $ 2,651 | $ 1,297 | $ 2,651 | $ 1,297 |
| FDM's that defaulted | 102 | 0 | $ 136 | 0 |
| 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 | 2,352 | 1,135 | $ 2,352 | 1,135 |
| 30–89 days past due and still accruing | ||||
| Financing Receivable, Modified [Line Items] | ||||
| Amortized cost of FDMs during the last 12 months | 181 | 102 | 181 | 102 |
| 90 or more days past due and still accruing | ||||
| Financing Receivable, Modified [Line Items] | ||||
| Amortized cost of FDMs during the last 12 months | $ 118 | $ 60 | $ 118 | $ 60 |