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Schedule II (Condensed Statements Of Operations) (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Net gains (losses) on extinguishment of debt | $ 49 | $ 26 | $ 60
Total revenues | 2,435 | (1,557) | 894
Total expenses | 837 | 682 | 989
Provision (benefit) for income taxes | 364 | (920) | (148)
Net income (loss) | 1,234 | (1,319) | 53
Parent Company [Member] |  |  |
Net investment income | 60 | 90 | 122
Net gains (losses) on financial instruments at fair value and foreign exchange | (119) | (278) | (117)
Investment losses related to other-than-temporary impairments | (52) | (20) | (206)
Other-than-temporary impairments recognized in accumulated other comprehensive income (loss) | (7) | (13) | 147
Net investment losses related to other-than-temporary impairments | (59) | (33) | (59)
Net gains (losses) on extinguishment of debt | (2) |  | (1)
Other net realized gains (losses) | 6 | (17) | 1
Total revenues | (114) | (238) | (54)
Operating | 40 | 29 | 31
Interest | 155 | 162 | 200
Total expenses | 195 | 191 | 231
Gain (loss) before income taxes and equity in earnings of subsidiaries | (309) | (429) | (285)
Provision (benefit) for income taxes | (781) | (286) | (183)
Gain (loss) before equity in earnings of subsidiaries | 472 | (143) | (102)
Equity in net income (loss) of subsidiaries | 762 | (1,233) | 99
Net income (loss) | $ 1,234 | $ (1,376) | $ (3)

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