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Schedule II (Condensed Statements Of Operations) (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Condensed Income Statements, Captions [Line Items] |  |  |
Net gains (losses) on financial instruments at fair value and foreign exchange | $ 84 | $ 63 | $ 78
Net investment losses related to other-than-temporary impairments: |  |  |
Net investment losses related to other-than-temporary impairments | (5) | (13) | (15)
Net gains (losses) on extinguishment of debt | 5 | (1) | 3
Other net realized gains (losses) | (282) | 17 | 28
Total revenues | 294 | 853 | 1,270
Interest | 197 | 199 | 210
Provision (benefit) for income taxes | (1) | 109 | 72
Net income (loss) | (338) | 180 | 569
Parent Company [Member] |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |
Net investment income | 29 | 35 | 44
Net gains (losses) on financial instruments at fair value and foreign exchange | (13) | 59 | 24
Net investment losses related to other-than-temporary impairments: |  |  |
Investment losses related to other-than-temporary impairments | (1) | (3) | 0
Other-than-temporary impairments recognized in accumulated other comprehensive income (loss) | 0 | (1) | 0
Net investment losses related to other-than-temporary impairments | (1) | (4) | 0
Net gains (losses) on extinguishment of debt | 5 | 0 | 1
Other net realized gains (losses) | (5) | 21 | 1
Total revenues | 15 | 111 | 70
Operating | 16 | 24 | 25
Interest | 90 | 95 | 104
Total expenses | 106 | 119 | 129
Gain (loss) before income taxes and equity in earnings of subsidiaries | (91) | (8) | (59)
Provision (benefit) for income taxes | (15) | 1 | (165)
Gain (loss) before equity in earnings of subsidiaries | (76) | (9) | 106
Equity in net income (loss) of subsidiaries | (262) | 189 | 463
Net income (loss) | $ (338) | $ 180 | $ 569

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