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Fair Value (Table of reconciliation for assets and liabilities measured at fair value on a recurring basis using significant unobservable inputs) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance, Beginning, Assets | $ 1,580 | $ 1,375 | $ 1,578 | $ 1,151
Reported in Net investment gains (losses) | (1) | (2) | (1) | (11)
Reported in Other comprehensive income (loss) | (92) | 2 | (339) | (27)
Total realized and unrealized investment gains (losses) | (91) | 2 | (329) | (32)
Purchases | 125 | 139 | 487 | 429
Sales | 0 | (20) | (10) | (27)
Settlements | (18) | (22) | (108) | (74)
Transfers into Level 3 | 47 | 52 | 76 | 92
Transfers out of Level 3 | (53) | (90) | (104) | (103)
Balance, Ending, Assets | 1,590 | 1,436 | 1,590 | 1,436
Unrealized gains (losses) on Level 3 assets and liabilities recognized in Net income (loss) in the period | (7) | (3) | (8) | (1)
Unrealized gains (losses) on Level 3 assets and liabilities recognized in Other comprehensive income (loss) in the period | (93) | 2 | (338) | (27)
Corporate and other bonds |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance, Beginning, Assets | 846 | 883 | 937 | 770
Reported in Net investment gains (losses) | 0 | 1 | (2) | (9)
Reported in Other comprehensive income (loss) | (50) | 1 | (203) | (23)
Total realized and unrealized investment gains (losses) | (49) | 2 | (204) | (32)
Purchases | 9 | 55 | 127 | 219
Sales | 0 | 0 | (5) | (3)
Settlements | (4) | (11) | (63) | (35)
Transfers into Level 3 | 0 | 0 | 10 | 10
Transfers out of Level 3 | 0 | (52) | 0 | (52)
Balance, Ending, Assets | 802 | 877 | 802 | 877
Unrealized gains (losses) on Level 3 assets and liabilities recognized in Net income (loss) in the period | 0 | 0 | 0 | 0
Unrealized gains (losses) on Level 3 assets and liabilities recognized in Other comprehensive income (loss) in the period | (51) | 2 | (203) | (22)
States, municipalities and political subdivisions |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance, Beginning, Assets | 46 | 57 | 56 | 46
Reported in Net investment gains (losses) | 0 | 0 | 0 | 0
Reported in Other comprehensive income (loss) | (4) | 0 | (14) | 0
Total realized and unrealized investment gains (losses) | (4) | 0 | (14) | 0
Purchases | 0 | 0 | 0 | 12
Sales | 0 | 0 | 0 | 0
Settlements | 0 | 0 | 0 | (1)
Transfers into Level 3 | 0 | 0 | 0 | 0
Transfers out of Level 3 | 0 | 0 | 0 | 0
Balance, Ending, Assets | 42 | 57 | 42 | 57
Unrealized gains (losses) on Level 3 assets and liabilities recognized in Net income (loss) in the period | 0 | 0 | 0 | 0
Unrealized gains (losses) on Level 3 assets and liabilities recognized in Other comprehensive income (loss) in the period | (4) | 0 | (14) | 0
Asset-backed |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance, Beginning, Assets | 641 | 410 | 556 | 308
Reported in Net investment gains (losses) | 2 | 0 | 7 | 0
Reported in Other comprehensive income (loss) | (38) | 1 | (122) | (4)
Total realized and unrealized investment gains (losses) | (31) | 2 | (104) | 0
Purchases | 116 | 83 | 348 | 197
Sales | 0 | (9) | (2) | (9)
Settlements | (14) | (11) | (54) | (38)
Transfers into Level 3 | 47 | 41 | 66 | 71
Transfers out of Level 3 | (43) | (38) | (94) | (51)
Balance, Ending, Assets | 716 | 478 | 716 | 478
Unrealized gains (losses) on Level 3 assets and liabilities recognized in Net income (loss) in the period | 0 | 0 | 0 | 0
Unrealized gains (losses) on Level 3 assets and liabilities recognized in Other comprehensive income (loss) in the period | (38) | 0 | (121) | (5)
Equity securities |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Balance, Beginning, Assets | 47 | 25 | 29 | 27
Reported in Net investment gains (losses) | (3) | (3) | (6) | (2)
Reported in Other comprehensive income (loss) | 0 | 0 | 0 | 0
Total realized and unrealized investment gains (losses) | (7) | (2) | (7) | 0
Purchases | 0 | 1 | 12 | 1
Sales | 0 | (11) | (3) | (15)
Settlements | 0 | 0 | 9 | 0
Transfers into Level 3 | 0 | 11 | 0 | 11
Transfers out of Level 3 | (10) | 0 | (10) | 0
Balance, Ending, Assets | 30 | 24 | 30 | 24
Unrealized gains (losses) on Level 3 assets and liabilities recognized in Net income (loss) in the period | (7) | (3) | (8) | (1)
Unrealized gains (losses) on Level 3 assets and liabilities recognized in Other comprehensive income (loss) in the period | 0 | 0 | 0 | 0
Reported in Net investment income |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Reported in Net investment income | 2 | 2 | 11 | 6
Reported in Net investment income | Corporate and other bonds |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Reported in Net investment income | 1 | 0 | 1 | 0
Reported in Net investment income | States, municipalities and political subdivisions |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Reported in Net investment income | 0 | 0 | 0 | 0
Reported in Net investment income | Asset-backed |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Reported in Net investment income | 5 | 1 | 11 | 4
Reported in Net investment income | Equity securities |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Reported in Net investment income | $ (4) | $ 1 | $ (1) | $ 2

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