Allowance for Credit Losses - Additional Information (Details) - USD ($) |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2015 |
Sep. 30, 2014 |
Sep. 30, 2015 |
Sep. 30, 2014 |
Dec. 31, 2014 |
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| Financing Receivable, Allowance for Credit Losses [Line Items] | |||||
| Provision for loan and lease losses | $ 733,000,000 | $ 610,000,000 | $ 2,218,000,000 | $ 2,011,000,000 | |
| Loans and leases charged off | 1,375,000,000 | 1,667,000,000 | 4,573,000,000 | 5,379,000,000 | |
| Allowance for credit losses | 13,318,000,000 | 15,635,000,000 | 13,318,000,000 | 15,635,000,000 | |
| Receivables Acquired with Deteriorated Credit Quality [Member] | |||||
| Financing Receivable, Allowance for Credit Losses [Line Items] | |||||
| Provision for loan and lease losses | (68,000,000) | 0 | (40,000,000) | (106,000,000) | |
| Loans and leases charged off | 148,000,000 | 246,000,000 | 726,000,000 | 797,000,000 | |
| Financing receivable allowance sold | 38,000,000 | $ 131,000,000 | 213,000,000 | $ 317,000,000 | |
| Allowance for credit losses | $ 886,000,000 | $ 886,000,000 | $ 1,700,000,000 | ||
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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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