Outstanding Loans and Leases - Credit Card and Other Consumer - Impaired Loans (Details) - Credit card and other consumer - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Financing Receivable, Impaired [Line Items] | |||
| Fixed payment plan period for loans modified | 60 months | ||
| Direct/Indirect Consumer | |||
| Unpaid Principal Balance | |||
| With no recorded allowance | $ 73 | $ 72 | |
| Carrying Value | |||
| With no recorded allowance | 32 | 33 | |
| Average Carrying Value | |||
| With no recorded allowance | 33 | 30 | $ 21 |
| United States | Credit Card Receivable | |||
| Unpaid Principal Balance | |||
| With an allowance recorded | 633 | 522 | |
| Carrying Value | |||
| With an allowance recorded | 647 | 533 | |
| Related Allowance | 188 | 154 | |
| Average Carrying Value | |||
| With an allowance recorded | $ 594 | $ 491 | 511 |
| Non United States | Credit Card Receivable | |||
| Average Carrying Value | |||
| Total | $ 47 | ||
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- Definition Financing Receivable, Fixed Payment Plan Period For Loans Modified No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of allowance for credit losses related to recorded investment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of average investment of impaired financing receivables for which there is no related allowance for credit losses. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of investment in impaired financing receivables for which there is no related allowance for credit losses. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of unpaid principal balance of impaired financing receivables for which there is no related allowance for credit losses. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of average investment of impaired financing receivables for which there is a related allowance for credit losses. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of investment in impaired financing receivables for which there is a related allowance for credit losses. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Unpaid principal balance of impaired financing receivables for which there is a related allowance for credit losses. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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