Allowance for Credit Losses - Additional Information (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
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| Financing Receivable, Allowance for Credit Losses [Line Items] | |||
| Provision (benefit) for loan and lease losses | $ 3,581 | $ 3,043 | $ 2,231 |
| Loans and leases charged off | 5,448 | 6,105 | 7,026 |
| Allowance for credit losses | 11,999 | 12,880 | 14,947 |
| Purchased Credit-impaired | |||
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||
| Provision (benefit) for loan and lease losses | (45) | (40) | (31) |
| Loans and leases charged off | 340 | 808 | 810 |
| Financing receivable allowance sold | 60 | 234 | 317 |
| Allowance for credit losses | $ 419 | $ 804 | $ 1,700 |
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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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