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Schedule II (Condensed Statements Of Operations) (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Condensed Income Statements, Captions [Line Items] |  |  |
Net gains (losses) on financial instruments at fair value and foreign exchange | $ (38) | $ 52 | $ (17)
Investment losses related to other-than-temporary impairments: |  |  |
Net gains (losses) on extinguishment of debt |  | (1) | 3
Other net realized gains (losses) | 0 | 4 | 0
Total revenues | 282 | 280 | 162
Interest | 178 | 201 | 206
Provision (benefit) for income taxes | 0 | 2 | 0
Net income (loss) | (578) | (359) | (296)
Parent Company [Member] |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |
Net investment income | 28 | 35 | 35
Net gains (losses) on financial instruments at fair value and foreign exchange | (67) | (57) | 20
Investment losses related to other-than-temporary impairments: |  |  |
Net gains (losses) on extinguishment of debt | 0 | (1) | 3
Other net realized gains (losses) | 0 | (2) | (2)
Total revenues | (39) | (25) | 56
Operating | 10 | 10 | 11
Interest | 83 | 90 | 93
Total expenses | 93 | 100 | 104
Gain (loss) before income taxes and equity in earnings of subsidiaries | (132) | (125) | (48)
Provision (benefit) for income taxes | (4) | (99) | (35)
Gain (loss) before equity in earnings of subsidiaries | (128) | (26) | (13)
Equity in net income (loss) of subsidiaries | (450) | (333) | (283)
Net income (loss) | $ (578) | $ (359) | $ (296)

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