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Schedule II - Condensed Financial Information of Registrant (Parent Company Only) - Condensed Statement of Total Comprehensive Income (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Revenues: |  |  |
Other income | $ 10 | $ 1 | $ 3
Net investment gains (losses), including impairments | (31) | (7) | (22)
Total revenues and other income | 505 | 282 | 156
General and Administrative Expense | 141 | 111 | 92
Expenses: |  |  |
Operating Expenses | 139 | 110 |
Pretax income (loss) | 525 | 2 | (440)
Income tax expense (benefit) | (2) | (18) | 3
Net income (loss) attributable to common stockholders | 522 | (17) | (437)
Other comprehensive income, after tax: |  |  |
Net income | 522 | (16) | (437)
Unrealized gains (losses) on securities, net of deferred income taxes of $0 | (225) | (12) | 15
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax | (85) | (8) | 23
Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Reclassification Adjustment from AOCI for Derecognition, after Tax | 0 | (1) | 1
Total other comprehensive income (loss), net of income tax | (310) | (21) | 37
Total comprehensive income (loss) attributable to common stockholders | 212 | (38) | (400)
Derivative, Gain (Loss) on Derivative, Net | 129 | 22 | (50)
Parent Company [Member] |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, Tax | (6) | (2) | 1
Other Comprehensive Income (Loss), Foreign Currency Translation Gain (Loss) Arising During Period, Tax | 0 | 0 | 0
Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Reclassification Adjustment from AOCI for Derecognition, Tax | 0 | 0 | 0
Revenues: |  |  |
Investment income | 10 | 10 | 13
Other income | 0 |  |
Net investment gains (losses), including impairments | 14 | 5 | 1
Total revenues and other income | (2) | 5 | 12
General and Administrative Expense | 17 | 19 | 19
Expenses: |  |  |
Operating Expenses | 17 | 19 | 19
Pretax income (loss) | (20) | (14) | (7)
Income tax expense (benefit) | 0 | (2) | 0
Income (loss) before equity pick-up of net income (loss) of subsidiaries | 19 | 16 | 7
Equity in undistributed net income (loss) of subsidiaries | 542 | (1) | (430)
Net income (loss) attributable to common stockholders | 522 | (17) | (437)
Other comprehensive income, after tax: |  |  |
Net income | 522 | (17) | (437)
Unrealized gains (losses) on securities, net of deferred income taxes of $0 | (225) | (12) | 15
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax | (85) | (8) | 23
Other Comprehensive Income (Loss), Financial Liability, Fair Value Option, Reclassification Adjustment from AOCI for Derecognition, after Tax | 0 | (1) | 1
Changes to postretirement benefit, net of tax | (1) | (1) | (3)
Total other comprehensive income (loss), net of income tax | (310) | (21) | 37
Total comprehensive income (loss) attributable to common stockholders | 212 | (38) | (400)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Plan Amendments, Tax Effect | 0 | $ 0 | $ 0
Derivative, Gain (Loss) on Derivative, Net | $ 1 |  |

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