Loan Receivables and Allowance for Credit Losses - Loans Entered into a Loan Modification Program (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2021 |
Sep. 30, 2020 |
|
Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
Total loans entered into a modification program | $ 150 | $ 198 | $ 566 | $ 551 |
Credit cards | ||||
Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
Total loans entered into a modification program | 149 | 197 | 564 | 549 |
Consumer installment loans | ||||
Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
Total loans entered into a modification program | 0 | 0 | 0 | 0 |
Commercial credit products | ||||
Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||
Total loans entered into a modification program | $ 1 | $ 1 | $ 2 | $ 2 |