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 | 6 Months Ended | ||
---|---|---|---|---|
Jun. 30, 2016 |
Jun. 30, 2015 |
Jun. 30, 2016 |
Jun. 30, 2015 |
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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 | $ 57 | $ 22 | $ 53 | $ 28 |
Additions where no OTTI was previously recorded | 1 | 4 | 12 | 7 |
Additions where an OTTI was previously recorded | 6 | 1 | 12 | 2 |
Reductions for securities sold during the period | (13) | (4) | (26) | (14) |
Balance of credit losses related to securities still held – end of period | $ 51 | $ 23 | $ 51 | $ 23 |