Investments (Roll-Forward Of Pre-Tax Credit Losses Related To Fixed Maturities For Which Portion Of Other-Than-Temporary Impairment Was Recognized In Other Comprehensive Income) (Detail) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2015 |
Sep. 30, 2014 |
Sep. 30, 2015 |
Sep. 30, 2014 |
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Roll-Forward Of Pre-Tax Credit Losses Related To Fixed Maturities For Which Portion Of Other-Than-Temporary Impairment Was Recognized In Other Comprehensive Income [Roll Forward] | ||||
Balance of credit losses related to securities still held – beginning of period | $ 23 | $ 24 | $ 28 | $ 37 |
Additions where no OTTI was previously recorded | 8 | 2 | 15 | 9 |
Additions where an OTTI was previously recorded | 6 | 2 | 8 | 5 |
Reductions for securities sold during the period | (5) | (11) | (19) | (34) |
Balance of credit losses related to securities still held – end of period | $ 32 | $ 17 | $ 32 | $ 17 |