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SCHEDULE II - CONDENSED FINANCIAL INFORMATION OF REGISTRANT (Statements of Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Revenues |  |  |  |  |  |  |
Net investment income |  |  |  |  | $ 5,515 | $ 6,111 | $ 5,510
Other revenues |  |  |  |  | 723 | 777 | 658
Total revenues | $ 3,841 | $ 4,672 | $ 5,577 | $ 4,720 | 18,810 | 17,715 | 17,439
Expenses |  |  |  |  |  |  |
Operating and administrative expenses |  |  |  |  | 2,240 | 2,252 | 2,072
Total expenses | 2,856 | 6,798 | 4,545 | 2,885 | 17,085 | 13,072 | 17,016
Income (loss) before federal income taxes, equity in income (loss) of subsidiaries |  |  |  |  | 1,725 | 4,643 | 423
Federal income tax expense (benefit) |  |  |  |  | 367 | 865 | (76)
Net income (loss) | $ 812 | $ (1,775) | $ 840 | $ 1,482 | 1,358 | 3,778 | 499
Other comprehensive income (loss), net of tax: |  |  |  |  |  |  |
Unrealized investment gain (loss) |  |  |  |  | (18,059) | (3,287) | 3,192
Market risk benefit gain (loss) |  |  |  |  | (210) | (923) |
Policyholder liability remeasurement gain (loss) |  |  |  |  | 2,012 | 591 |
Foreign currency translation adjustment |  |  |  |  | (20) | (2) | 5
Funded status of employee benefit plans |  |  |  |  | (59) | 47 | 61
Total other comprehensive income (loss), net of tax |  |  |  |  | (16,336) | (3,574) | 3,258
Comprehensive income (loss) |  |  |  |  | (14,978) | 204 | 3,757
Parent Company [Member] |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |
Dividends from subsidiaries |  |  |  |  | 797 | 2,060 | 840
Interest from subsidiaries |  |  |  |  | 159 | 114 | 127
Net investment income |  |  |  |  | 3 | 1 | 4
Total revenues |  |  |  |  | 959 | 2,175 | 971
Expenses |  |  |  |  |  |  |
Operating and administrative expenses |  |  |  |  | 52 | 69 | 50
Interest - subsidiaries |  |  |  |  | 38 | 10 | 20
Interest - other |  |  |  |  | 266 | 263 | 275
Total expenses |  |  |  |  | 356 | 342 | 345
Income (loss) before federal income taxes, equity in income (loss) of subsidiaries |  |  |  |  | 603 | 1,833 | 626
Federal income tax expense (benefit) |  |  |  |  | (42) | (49) | (45)
Income (loss) before equity in income (loss) of subsidiaries |  |  |  |  | 645 | 1,882 | 671
Equity in income (loss) of subsidiaries |  |  |  |  | 713 | 1,896 | (172)
Net income (loss) |  |  |  |  | 1,358 | 3,778 | 499
Other comprehensive income (loss), net of tax: |  |  |  |  |  |  |
Unrealized investment gain (loss) |  |  |  |  | (18,059) | (3,287) | 3,192
Market risk benefit gain (loss) |  |  |  |  | (210) | (923) |
Policyholder liability remeasurement gain (loss) |  |  |  |  | 2,012 | 591 |
Foreign currency translation adjustment |  |  |  |  | (20) | (2) | 5
Funded status of employee benefit plans |  |  |  |  | (59) | 47 | 61
Total other comprehensive income (loss), net of tax |  |  |  |  | (16,336) | (3,574) | 3,258
Comprehensive income (loss) |  |  |  |  | $ (14,978) | $ 204 | $ 3,757

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