Securities - Debt Securities Credit Losses Roll Forward Recorded in Earnings (Detail) - USD ($) $ in Millions |
3 Months Ended | |
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Mar. 31, 2016 |
Mar. 31, 2015 |
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Other than Temporary Impairment [Roll Forward] | ||
Beginning balance | $ 91 | $ 93 |
Add: Initial OTTI credit losses | 0 | 0 |
Subsequent OTTI credit losses | 2 | 1 |
Less: Realized losses for securities sold | 0 | 2 |
Ending balance | $ 93 | $ 92 |
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- Definition This item represents an increase to the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held for which a previous OTTI was recognized and the investor does not intend to sell the debt security and it is not more likely than not that the investor will be required to sell the debt security before recovery of its amortized cost basis. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition This item represents an increase to the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held for which no such other than temporary impairment (OTTI) was previously recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The cumulative amount of credit losses recognized in earnings related to debt securities held for which a portion of an other than temporary impairment (OTTI) was recognized in other comprehensive income (a component of shareholders' equity). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition This item represents reductions in the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security because of the sale of impaired securities during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- 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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