Allowance for Credit Losses - Additional Information (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
Dec. 31, 2015 |
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| Financing Receivable, Allowance for Credit Losses [Line Items] | |||||
| Provision (benefit) for loan and lease losses | $ 834 | $ 733 | $ 2,802 | $ 2,218 | |
| Loans and leases charged off | 1,277 | 1,375 | 4,151 | 4,573 | |
| Allowance for credit losses | 12,459 | 13,318 | 12,459 | 13,318 | |
| Receivables Acquired with Deteriorated Credit Quality [Member] | |||||
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||||
| Provision (benefit) for loan and lease losses | 8 | (68) | (81) | (40) | |
| Loans and leases charged off | 83 | 148 | 270 | 726 | |
| Financing receivable allowance sold | 11 | $ 38 | 50 | $ 213 | |
| Allowance for credit losses | $ 453 | $ 453 | $ 804 | ||
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- Definition Amount of reduction of allowance reserve for credit loss arising from sale of loan and lease portfolios. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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 Amount of expense related to estimated loss from loan and lease transactions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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