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v3.23.1

Fair Value (Recurring Fair Value Measurements) (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | ---
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | $ 77,685 | $ 75,577 |
Equity securities | 91 | 89 |
Short-term investments | 1,386 | 1,081 |
Derivative assets: (1) | 2,642 | 2,284 |
Market risk benefit assets | 510 | 483 |
Separate account assets | 87,440 | 84,965 |
Liabilities [Abstract] |  |  |
Market risk benefit liabilities | 10,729 | 10,389 | $ 16,034
Derivative liabilities: (1) | 3,253 | 3,920 |
Recurring |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 77,685 | 75,577 |
Equity securities | 91 | 89 |
Short-term investments | 1,386 | 1,081 |
Derivative assets: (1) | 2,642 | 2,284 |
Market risk benefit assets | 510 | 483 |
Separate account assets | 87,440 | 84,965 |
Total assets | 169,754 | 164,479 |
Liabilities [Abstract] |  |  |
Market risk benefit liabilities | 10,729 | 10,389 |
Derivative liabilities: (1) | 3,253 | 3,920 |
Embedded derivatives on index-linked annuities (2) | 5,164 | 3,932 |
Total liabilities | 19,146 | 18,241 |
Recurring | Interest rate |  |  |
Assets [Abstract] |  |  |
Derivative assets: (1) | 407 | 304 |
Liabilities [Abstract] |  |  |
Derivative liabilities: (1) | 1,995 | 2,802 |
Recurring | Foreign currency exchange rate |  |  |
Assets [Abstract] |  |  |
Derivative assets: (1) | 693 | 745 |
Liabilities [Abstract] |  |  |
Derivative liabilities: (1) | 9 | 18 |
Recurring | Credit |  |  |
Assets [Abstract] |  |  |
Derivative assets: (1) | 23 | 18 |
Liabilities [Abstract] |  |  |
Derivative liabilities: (1) | 1 | 2 |
Recurring | Equity market |  |  |
Assets [Abstract] |  |  |
Derivative assets: (1) | 1,519 | 1,217 |
Liabilities [Abstract] |  |  |
Derivative liabilities: (1) | 1,248 | 1,098 |
Recurring | U.S. corporate |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 33,612 | 32,607 |
Recurring | Foreign corporate |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 10,883 | 10,576 |
Recurring | U.S. government and agency |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 8,287 | 8,016 |
Recurring | RMBS |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 7,590 | 7,528 |
Recurring | CMBS |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 6,674 | 6,611 |
Recurring | ABS |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 5,596 | 5,359 |
Recurring | State and political subdivision |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 3,949 | 3,799 |
Recurring | Foreign Government |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 1,094 | 1,081 |
Recurring | Level 1 |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 3,613 | 3,566 |
Equity securities | 41 | 35 |
Short-term investments | 911 | 722 |
Derivative assets: (1) | 0 | 0 |
Market risk benefit assets | 0 | 0 |
Separate account assets | 20 | 29 |
Total assets | 4,585 | 4,352 |
Liabilities [Abstract] |  |  |
Market risk benefit liabilities | 0 | 0 |
Derivative liabilities: (1) | 0 | 0 |
Embedded derivatives on index-linked annuities (2) | 0 | 0 |
Total liabilities | 0 | 0 |
Recurring | Level 1 | Interest rate |  |  |
Assets [Abstract] |  |  |
Derivative assets: (1) | 0 | 0 |
Liabilities [Abstract] |  |  |
Derivative liabilities: (1) | 0 | 0 |
Recurring | Level 1 | Foreign currency exchange rate |  |  |
Assets [Abstract] |  |  |
Derivative assets: (1) | 0 | 0 |
Liabilities [Abstract] |  |  |
Derivative liabilities: (1) | 0 | 0 |
Recurring | Level 1 | Credit |  |  |
Assets [Abstract] |  |  |
Derivative assets: (1) | 0 | 0 |
Liabilities [Abstract] |  |  |
Derivative liabilities: (1) | 0 | 0 |
Recurring | Level 1 | Equity market |  |  |
Assets [Abstract] |  |  |
Derivative assets: (1) | 0 | 0 |
Liabilities [Abstract] |  |  |
Derivative liabilities: (1) | 0 | 0 |
Recurring | Level 1 | U.S. corporate |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 0 | 0 |
Recurring | Level 1 | Foreign corporate |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 0 | 0 |
Recurring | Level 1 | U.S. government and agency |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 3,613 | 3,566 |
Recurring | Level 1 | RMBS |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 0 | 0 |
Recurring | Level 1 | CMBS |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 0 | 0 |
Recurring | Level 1 | ABS |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 0 | 0 |
Recurring | Level 1 | State and political subdivision |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 0 | 0 |
Recurring | Level 1 | Foreign Government |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 0 | 0 |
Recurring | Level 2 |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 71,747 | 69,821 |
Equity securities | 25 | 27 |
Short-term investments | 475 | 359 |
Derivative assets: (1) | 2,608 | 2,247 |
Market risk benefit assets | 0 | 0 |
Separate account assets | 87,420 | 84,936 |
Total assets | 162,275 | 157,390 |
Liabilities [Abstract] |  |  |
Market risk benefit liabilities | 0 | 0 |
Derivative liabilities: (1) | 3,252 | 3,918 |
Embedded derivatives on index-linked annuities (2) | 0 | 0 |
Total liabilities | 3,252 | 3,918 |
Recurring | Level 2 | Interest rate |  |  |
Assets [Abstract] |  |  |
Derivative assets: (1) | 407 | 304 |
Liabilities [Abstract] |  |  |
Derivative liabilities: (1) | 1,995 | 2,802 |
Recurring | Level 2 | Foreign currency exchange rate |  |  |
Assets [Abstract] |  |  |
Derivative assets: (1) | 667 | 716 |
Liabilities [Abstract] |  |  |
Derivative liabilities: (1) | 9 | 18 |
Recurring | Level 2 | Credit |  |  |
Assets [Abstract] |  |  |
Derivative assets: (1) | 15 | 10 |
Liabilities [Abstract] |  |  |
Derivative liabilities: (1) | 0 | 0 |
Recurring | Level 2 | Equity market |  |  |
Assets [Abstract] |  |  |
Derivative assets: (1) | 1,519 | 1,217 |
Liabilities [Abstract] |  |  |
Derivative liabilities: (1) | 1,248 | 1,098 |
Recurring | Level 2 | U.S. corporate |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 32,283 | 31,418 |
Recurring | Level 2 | Foreign corporate |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 10,276 | 9,978 |
Recurring | Level 2 | U.S. government and agency |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 4,674 | 4,450 |
Recurring | Level 2 | RMBS |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 7,576 | 7,514 |
Recurring | Level 2 | CMBS |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 6,641 | 6,578 |
Recurring | Level 2 | ABS |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 5,293 | 5,041 |
Recurring | Level 2 | State and political subdivision |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 3,949 | 3,799 |
Recurring | Level 2 | Foreign Government |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 1,055 | 1,043 |
Recurring | Level 3 |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 2,325 | 2,190 |
Equity securities | 25 | 27 |
Short-term investments | 0 | 0 |
Derivative assets: (1) | 34 | 37 |
Market risk benefit assets | 510 | 483 |
Separate account assets | 0 | 0 |
Total assets | 2,894 | 2,737 |
Liabilities [Abstract] |  |  |
Market risk benefit liabilities | 10,729 | 10,389 |
Derivative liabilities: (1) | 1 | 2 |
Embedded derivatives on index-linked annuities (2) | 5,164 | 3,932 |
Total liabilities | 15,894 | 14,323 |
Recurring | Level 3 | Interest rate |  |  |
Assets [Abstract] |  |  |
Derivative assets: (1) | 0 | 0 |
Liabilities [Abstract] |  |  |
Derivative liabilities: (1) | 0 | 0 |
Recurring | Level 3 | Foreign currency exchange rate |  |  |
Assets [Abstract] |  |  |
Derivative assets: (1) | 26 | 29 |
Liabilities [Abstract] |  |  |
Derivative liabilities: (1) | 0 | 0 |
Recurring | Level 3 | Credit |  |  |
Assets [Abstract] |  |  |
Derivative assets: (1) | 8 | 8 |
Liabilities [Abstract] |  |  |
Derivative liabilities: (1) | 1 | 2 |
Recurring | Level 3 | Equity market |  |  |
Assets [Abstract] |  |  |
Derivative assets: (1) | 0 | 0 |
Liabilities [Abstract] |  |  |
Derivative liabilities: (1) | 0 | 0 |
Recurring | Level 3 | U.S. corporate |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 1,329 | 1,189 |
Recurring | Level 3 | Foreign corporate |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 607 | 598 |
Recurring | Level 3 | U.S. government and agency |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 0 | 0 |
Recurring | Level 3 | RMBS |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 14 | 14 |
Recurring | Level 3 | CMBS |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 33 | 33 |
Recurring | Level 3 | ABS |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 303 | 318 |
Recurring | Level 3 | State and political subdivision |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | 0 | 0 |
Recurring | Level 3 | Foreign Government |  |  |
Assets [Abstract] |  |  |
Fixed maturity securities, estimated fair value | $ 39 | $ 38 |

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