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Schedule II (Condensed Statements Of Operations) (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Condensed Income Statements, Captions [Line Items] |  |  |
Net gains (losses) on financial instruments at fair value and foreign exchange | $ 45 | $ 40 | $ (80)
Net gains (losses) on extinguishment of debt | 4 | 30 |
Investment losses related to other-than-temporary impairments: |  |  |
Total revenues | 154 | 189 | 282
Interest | 179 | 163 | 178
Provision (benefit) for income taxes | 1 | 0 | 0
Net income (loss) | (195) | (445) | (578)
Parent Company [Member] |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |
Net investment income | 20 | 26 | 28
Net realized investment gains (losses) | (10) | 3 | 11
Net gains (losses) on financial instruments at fair value and foreign exchange | 110 | 49 | (78)
Net gains (losses) on extinguishment of debt | 5 | 30 | 0
Investment losses related to other-than-temporary impairments: |  |  |
Other net realized gains (losses) | 0 | (6) | 0
Total revenues | 125 | 102 | (39)
Operating | 11 | 10 | 10
Interest | 76 | 75 | 83
Total expenses | 87 | 85 | 93
Gain (loss) before income taxes and equity in earnings of subsidiaries | 38 | 17 | (132)
Provision (benefit) for income taxes | (3) | (3) | (4)
Gain (loss) before equity in earnings of subsidiaries | 41 | 20 | (128)
Equity in net income (loss) of subsidiaries | (236) | (465) | (450)
Net income (loss) | $ (195) | $ (445) | $ (578)

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