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Fair Value of Assets and Liabilities (Changes in Level 3 Assets and Liabilities) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Market risk benefit assets | $ 1,981 | $ 800 | [1] | $ 944
Market risk benefit liabilities | 5,467 | 5,864 | [1] | 10,175
Fair Value, Measurements, Recurring |  |  |  |
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Market risk benefit assets | 1,981 | 800 |  |
Market risk benefit liabilities | 5,467 | 5,864 |  |
Equity securities |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair Value, beginning of period | 627 | 799 |  |
Purchases | 45 | 52 |  |
Sales | (75) | (244) |  |
Issuances | 0 | 0 |  |
Settlements | (36) | (7) |  |
Other | (41) | (27) |  |
Transfers into Level 3 | 3 | 73 |  |
Transfers out of Level 3 | (37) | (1) |  |
Fair Value, end of period | 512 | 627 |  | 799
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 26 | (18) |  |
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 12 | (39) |  |
Equity securities | Realized investment gains (losses), net |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | (1) | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Equity securities | Other Income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 27 | (18) |  | 117
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 12 | (39) |  | 145
Equity securities | Interest credited to policyholders’ account balances |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Equity securities | Included in other comprehensive income (loss) |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Equity securities | Net investment income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Assets supporting experience-rated contractholder liabilities | Realized investment gains (losses), net |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Assets supporting experience-rated contractholder liabilities | Other Income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | (6)
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Assets supporting experience-rated contractholder liabilities | Interest credited to policyholders’ account balances |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Assets supporting experience-rated contractholder liabilities | Included in other comprehensive income (loss) |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Assets supporting experience-rated contractholder liabilities | Net investment income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 7
Other invested assets |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair Value, beginning of period | 539 | 493 |  |
Purchases | 361 | 98 |  |
Sales | (16) | (52) |  |
Issuances | 0 | 0 |  |
Settlements | 0 | (11) |  |
Other | 0 | (1) |  |
Transfers into Level 3 | 0 | 0 |  |
Transfers out of Level 3 | 0 | 0 |  |
Fair Value, end of period | 846 | 539 |  | 493
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | (38) | 12 |  |
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | (38) | 12 |  |
Other invested assets | Realized investment gains (losses), net |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | (4) | (12) |  | 7
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | (4) | (12) |  | 6
Other invested assets | Other Income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | (34) | 24 |  | 32
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | (34) | 24 |  | 34
Other invested assets | Interest credited to policyholders’ account balances |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Other invested assets | Included in other comprehensive income (loss) |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Other invested assets | Net investment income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Short-term investments |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair Value, beginning of period | 18 | 330 |  |
Purchases | 49 | 28 |  |
Sales | 0 | 0 |  |
Issuances | 0 | 0 |  |
Settlements | (43) | (340) |  |
Other | 0 | 6 |  |
Transfers into Level 3 | 0 | 0 |  |
Transfers out of Level 3 | 0 | (1) |  |
Fair Value, end of period | 29 | 18 |  | 330
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 5 | (5) |  |
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | (6) |  |
Short-term investments | Realized investment gains (losses), net |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 3 | (5) |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | (6) |  | (1)
Short-term investments | Other Income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Short-term investments | Interest credited to policyholders’ account balances |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Short-term investments | Included in other comprehensive income (loss) |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Short-term investments | Net investment income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 2 | 0 |  | 1
Cash equivalents |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair Value, beginning of period | 0 | 70 |  |
Purchases | 4 | 7 |  |
Sales | 0 | 0 |  |
Issuances | 0 | 0 |  |
Settlements | 0 | (73) |  |
Other | 0 | (3) |  |
Transfers into Level 3 | 0 | 0 |  |
Transfers out of Level 3 | 0 | 0 |  |
Fair Value, end of period | 4 | 0 |  | 70
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | (1) |  |
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | (2) |  |
Cash equivalents | Realized investment gains (losses), net |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | (1) |  | (1)
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | (2) |  | (1)
Cash equivalents | Other Income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Cash equivalents | Interest credited to policyholders’ account balances |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Cash equivalents | Included in other comprehensive income (loss) |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Cash equivalents | Net investment income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Reinsurance recoverables and deposit receivables |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair Value, beginning of period | 141 | 72 |  |
Purchases | 146 | 51 |  |
Sales | 0 | 0 |  |
Issuances | 0 | 0 |  |
Settlements | (23) | (4) |  |
Other | 0 | (22) |  |
Transfers into Level 3 | 0 | 0 |  |
Transfers out of Level 3 | 0 | 0 |  |
Fair Value, end of period | 224 | 141 |  | 72
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | (40) | 44 |  |
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | (63) | 48 |  |
Reinsurance recoverables and deposit receivables | Realized investment gains (losses), net |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | (40) | 44 |  | 72
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | (63) | 48 |  | 71
Reinsurance recoverables and deposit receivables | Other Income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Reinsurance recoverables and deposit receivables | Interest credited to policyholders’ account balances |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Reinsurance recoverables and deposit receivables | Included in other comprehensive income (loss) |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Reinsurance recoverables and deposit receivables | Net investment income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Other assets |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair Value, beginning of period | 11 | (18) |  |
Purchases | 0 | 12 |  |
Sales | 0 | 0 |  |
Issuances | 0 | 0 |  |
Settlements | 0 | (8) |  |
Other | 0 | (42) |  |
Transfers into Level 3 | 0 | 0 |  |
Transfers out of Level 3 | 0 | 0 |  |
Fair Value, end of period | 11 | 11 |  | (18)
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 67 |  |
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  |
Other assets | Realized investment gains (losses), net |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | (55)
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Other assets | Other Income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Other assets | Interest credited to policyholders’ account balances |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Other assets | Included in other comprehensive income (loss) |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 67 |  | 39
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Other assets | Net investment income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Separate accounts assets |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair Value, beginning of period | 1,081 | 1,283 |  |
Purchases | 450 | 254 |  |
Sales | (368) | (192) |  |
Issuances | 0 | 0 |  |
Settlements | (68) | (67) |  |
Other | 0 | 0 |  |
Transfers into Level 3 | 50 | 94 |  |
Transfers out of Level 3 | (106) | (76) |  |
Fair Value, end of period | 1,094 | 1,081 |  | 1,283
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 55 | (215) |  |
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 42 | (211) |  |
Separate accounts assets | Realized investment gains (losses), net |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Separate accounts assets | Other Income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Separate accounts assets | Interest credited to policyholders’ account balances |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 55 | (215) |  | 326
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 42 | (211) |  | 199
Separate accounts assets | Included in other comprehensive income (loss) |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Separate accounts assets | Net investment income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Policyholders’ account balances |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair Value, beginning of period | (3,492) | (1,436) |  |
Purchases | 0 | 0 |  |
Sales | 0 | 0 |  |
Issuances | (1,664) | (1,078) |  |
Settlements | 0 | 0 |  |
Other | 5 | (912) |  |
Transfers into Level 3 | 0 | 0 |  |
Transfers out of Level 3 | 0 | 0 |  |
Fair Value, end of period | (7,752) | (3,492) |  | (1,436)
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | (2,601) | (66) |  |
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | (322) | 67 |  |
Policyholders’ account balances | Realized investment gains (losses), net |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | (2,601) | (66) |  | (1,174)
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | (322) | 67 |  | (10)
Policyholders’ account balances | Other Income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Policyholders’ account balances | Interest credited to policyholders’ account balances |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Policyholders’ account balances | Included in other comprehensive income (loss) |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Policyholders’ account balances | Net investment income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Other liabilities |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair Value, beginning of period | (1) | 0 |  |
Purchases | 0 | 0 |  |
Sales | 0 | 0 |  |
Issuances | 0 | 0 |  |
Settlements | 0 | 0 |  |
Other | 0 | 0 |  |
Transfers into Level 3 | 0 | (1) |  |
Transfers out of Level 3 | 0 | 0 |  |
Fair Value, end of period | (1) | (1) |  | 0
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  |
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  |
Other liabilities | Realized investment gains (losses), net |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Other liabilities | Other Income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Other liabilities | Interest credited to policyholders’ account balances |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Other liabilities | Included in other comprehensive income (loss) |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Other liabilities | Net investment income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Notes issued by consolidated VIEs |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair Value, beginning of period | 0 | 0 |  |
Purchases | 0 | 0 |  |
Sales | 0 | 0 |  |
Issuances | 0 | 0 |  |
Settlements | 0 | 0 |  |
Other | (787) | 0 |  |
Transfers into Level 3 | 0 | 0 |  |
Transfers out of Level 3 | 0 | 0 |  |
Fair Value, end of period | (778) | 0 |  | 0
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 9 | 0 |  |
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 9 | 0 |  |
Notes issued by consolidated VIEs | Realized investment gains (losses), net |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Notes issued by consolidated VIEs | Other Income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 9 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 9 | 0 |  | 0
Notes issued by consolidated VIEs | Interest credited to policyholders’ account balances |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Notes issued by consolidated VIEs | Included in other comprehensive income (loss) |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Notes issued by consolidated VIEs | Net investment income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Fixed maturities, available-for-sale | Fixed Maturities | Realized investment gains (losses), net |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | (25) | (89) |  | 45
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | (7) | (101) |  | (43)
Fixed maturities, available-for-sale | Fixed Maturities | Other Income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Fixed maturities, available-for-sale | Fixed Maturities | Interest credited to policyholders’ account balances |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Fixed maturities, available-for-sale | Fixed Maturities | Included in other comprehensive income (loss) |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | (5) | (783) |  | (163)
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | (30) | (782) |  | (153)
Fixed maturities, available-for-sale | Fixed Maturities | Net investment income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 9 | 8 |  | 4
Fixed maturities, available-for-sale | Fixed Maturities | U.S. states |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair Value, beginning of period | 7 | 8 |  |
Purchases | 0 | 0 |  |
Sales | 0 | 0 |  |
Issuances | 0 | 0 |  |
Settlements | 0 | 0 |  |
Other | 0 | 0 |  |
Transfers into Level 3 | 0 | 0 |  |
Transfers out of Level 3 | 0 | 0 |  |
Fair Value, end of period | 7 | 7 |  | 8
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | (1) |  |
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | (1) |  |
Fixed maturities, available-for-sale | Fixed Maturities | Foreign government bonds |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair Value, beginning of period | 8 | 10 |  |
Purchases | 0 | 0 |  |
Sales | 0 | (1) |  |
Issuances | 0 | 0 |  |
Settlements | 0 | 0 |  |
Other | 0 | 0 |  |
Transfers into Level 3 | 0 | 0 |  |
Transfers out of Level 3 | 0 | 0 |  |
Fair Value, end of period | 8 | 8 |  | 10
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | (1) |  |
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | (1) |  |
Fixed maturities, available-for-sale | Fixed Maturities | Corporate securities |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair Value, beginning of period | 3,858 | 5,316 |  |
Purchases | 1,864 | 1,574 |  |
Sales | (211) | (219) |  |
Issuances | 0 | 20 |  |
Settlements | (988) | (874) |  |
Other | 26 | 85 |  |
Transfers into Level 3 | 418 | 125 |  |
Transfers out of Level 3 | (187) | (1,637) |  |
Fair Value, end of period | 4,806 | 3,858 |  | 5,316
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 26 | (532) |  |
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 19 | (544) |  |
Fixed maturities, available-for-sale | Fixed Maturities | Structured securities |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair Value, beginning of period | 1,289 | 1,986 |  |
Purchases | 587 | 705 |  |
Sales | (6) | (23) |  |
Issuances | 0 | 0 |  |
Settlements | (38) | (363) |  |
Other | (81) | (9) |  |
Transfers into Level 3 | 113 | 7 |  |
Transfers out of Level 3 | (520) | (684) |  |
Fair Value, end of period | 1,297 | 1,289 |  | 1,986
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | (47) | (330) |  |
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | (56) | (337) |  |
Fixed maturities, Trading | Fixed Maturities |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |
Fair Value, beginning of period | 304 | 421 |  |
Purchases | 129 | 45 |  |
Sales | (39) | (48) |  |
Issuances | 0 | 0 |  |
Settlements | (23) | (81) |  |
Other | 88 | (3) |  |
Transfers into Level 3 | 17 | 1 |  |
Transfers out of Level 3 | (58) | (15) |  |
Fair Value, end of period | 429 | 304 |  | 421
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 11 | (16) |  |
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 5 | (17) |  |
Fixed maturities, Trading | Fixed Maturities | Realized investment gains (losses), net |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Fixed maturities, Trading | Fixed Maturities | Other Income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 9 | (16) |  | 36
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 5 | (17) |  | 34
Fixed maturities, Trading | Fixed Maturities | Interest credited to policyholders’ account balances |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Fixed maturities, Trading | Fixed Maturities | Included in other comprehensive income (loss) |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | 0 | 0 |  | 0
Unrealized gains (losses) for assets/liabilities still held: |  |  |  |
Included in earnings | 0 | 0 |  | 0
Fixed maturities, Trading | Fixed Maturities | Net investment income |  |  |  |
Total gains (losses) (realized/unrealized): |  |  |  |
Included in earnings | $ 2 | $ 0 |  | $ 0
[1] | Prior period amounts adjusted for the implementation of ASU 2018-12: Targeted Improvements to the Accounting for Long-Duration Contracts.

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