Reserves for Credit Losses (Details 2) - USD ($) |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2022 |
Sep. 30, 2021 |
Sep. 30, 2022 |
Sep. 30, 2021 |
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| Reserve for Losses [Roll Forward] | ||||
| Provisions for credit losses | $ 778,000,000 | $ (191,000,000) | $ 1,155,000,000 | $ (1,472,000,000) |
| Card Member Receivables | ||||
| Reserve for Losses [Roll Forward] | ||||
| Beginning Balance | 119,000,000 | 73,000,000 | 64,000,000 | 267,000,000 |
| Provisions for credit losses | 165,000,000 | (12,000,000) | 383,000,000 | (147,000,000) |
| Net write-offs | (122,000,000) | (32,000,000) | (284,000,000) | (89,000,000) |
| Other | (3,000,000) | 1,000,000 | (4,000,000) | (1,000,000) |
| Ending Balance | 159,000,000 | 30,000,000 | 159,000,000 | 30,000,000 |
| Recoveries | 60,000,000 | 79,000,000 | 195,000,000 | 303,000,000 |
| Net (write-offs) recoveries from TDRs | (19,000,000) | (15,000,000) | (48,000,000) | (51,000,000) |
| Foreign currency translation adjustments | $ (2,000,000) | $ 0 | $ (4,000,000) | $ (1,000,000) |
| X | ||||||||||
- Definition Amount of recovery of Card Member loans related to troubled debt restructurings, which had previously been fully or partially written-off as bad debts. No definition available.
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| X | ||||||||||
- Definition Amount of foreign currency translation gain (loss) which decreases (increases) allowance for credit loss on financing receivable. Excludes net investment in lease. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of increase in allowance for credit loss on financing receivable from recovery. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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| X | ||||||||||
- Definition Amount of writeoff of financing receivable, charged against allowance for credit loss. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of credit loss expense (reversal of expense) for financing receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of expense related to credit loss from transactions other than loan and lease transactions. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Details
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