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v3.22.2.2

Investments (Summary of fixed maturity and equity securities) (Details) - USD ($) $ in Millions | Sep. 30, 2022 | Jun. 30, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | --- | --- | --- | --- | ---
Fixed maturity securities available-for-sale: |  |  |  |  |  |
Gross Unrealized Gains | $ 507 |  | $ 4,558 |  |  |
Gross Unrealized Losses | 4,583 |  | 112 |  |  |
Allowance for Credit Losses | 3 | $ 5 | 18 | $ 31 | $ 45 | $ 40
Estimated Fair Value | 37,239 |  | 44,373 |  |  |
Total fixed maturity securities trading |  |  |  |  |  |
Debt securities, amortized cost | 41,330 |  | 39,952 |  |  |
Total fixed maturity securities | 37,251 |  | 44,380 |  |  |
Corporate and other bonds |  |  |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |  |  |
Cost or Amortized Cost | 23,082 |  | 21,444 |  |  |
Gross Unrealized Gains | 231 |  | 2,755 |  |  |
Gross Unrealized Losses | 2,398 |  | 56 |  |  |
Allowance for Credit Losses | 0 | 0 | 11 | 10 | 24 | 23
Estimated Fair Value | 20,915 |  | 24,132 |  |  |
Total fixed maturity securities trading |  |  |  |  |  |
Total fixed maturity securities | 21,537 |  | 24,852 |  |  |
States, municipalities and political subdivisions |  |  |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |  |  |
Cost or Amortized Cost | 9,244 |  | 10,358 |  |  |
Gross Unrealized Gains | 259 |  | 1,599 |  |  |
Gross Unrealized Losses | 1,080 |  | 14 |  |  |
Allowance for Credit Losses | 0 |  | 0 |  |  |
Estimated Fair Value | 8,423 |  | 11,943 |  |  |
Total fixed maturity securities trading |  |  |  |  |  |
Total fixed maturity securities | 8,423 |  | 11,943 |  |  |
Asset-backed |  |  |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |  |  |
Cost or Amortized Cost | 8,338 |  | 7,441 |  |  |
Gross Unrealized Gains | 12 |  | 188 |  |  |
Gross Unrealized Losses | 1,056 |  | 37 |  |  |
Allowance for Credit Losses | 3 | $ 5 | 7 | $ 21 | $ 21 | $ 17
Estimated Fair Value | 7,291 |  | 7,585 |  |  |
Total fixed maturity securities trading |  |  |  |  |  |
Total fixed maturity securities | 7,291 |  | 7,585 |  |  |
Residential mortgage-backed |  |  |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |  |  |
Cost or Amortized Cost | 3,153 |  | 2,893 |  |  |
Gross Unrealized Gains | 6 |  | 71 |  |  |
Gross Unrealized Losses | 470 |  | 8 |  |  |
Allowance for Credit Losses | 0 |  | 0 |  |  |
Estimated Fair Value | 2,689 |  | 2,956 |  |  |
Commercial mortgage-backed |  |  |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |  |  |
Cost or Amortized Cost | 1,921 |  | 1,987 |  |  |
Gross Unrealized Gains | 4 |  | 63 |  |  |
Gross Unrealized Losses | 237 |  | 19 |  |  |
Allowance for Credit Losses | 0 |  | 0 |  |  |
Estimated Fair Value | 1,688 |  | 2,031 |  |  |
Other asset-backed |  |  |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |  |  |
Cost or Amortized Cost | 3,264 |  | 2,561 |  |  |
Gross Unrealized Gains | 2 |  | 54 |  |  |
Gross Unrealized Losses | 349 |  | 10 |  |  |
Allowance for Credit Losses | 3 |  | 7 |  |  |
Estimated Fair Value | 2,914 |  | 2,598 |  |  |
Fixed maturity securities |  |  |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |  |  |
Cost or Amortized Cost | 41,318 |  | 39,945 |  |  |
Gross Unrealized Gains | 507 |  | 4,558 |  |  |
Gross Unrealized Losses | 4,583 |  | 112 |  |  |
Allowance for Credit Losses | 3 |  | 18 |  |  |
Estimated Fair Value | 37,239 |  | 44,373 |  |  |
U.S. Treasury and obligations of government-sponsored enterprises |  |  |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |  |  |
Cost or Amortized Cost | 107 |  | 132 |  |  |
Gross Unrealized Gains | 3 |  | 1 |  |  |
Gross Unrealized Losses | 1 |  | 3 |  |  |
Allowance for Credit Losses | 0 |  | 0 |  |  |
Estimated Fair Value | 109 |  | 130 |  |  |
Foreign government |  |  |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |  |  |
Cost or Amortized Cost | 544 |  | 570 |  |  |
Gross Unrealized Gains | 2 |  | 15 |  |  |
Gross Unrealized Losses | 48 |  | 2 |  |  |
Allowance for Credit Losses | 0 |  | 0 |  |  |
Estimated Fair Value | 498 |  | 583 |  |  |
Redeemable preferred stock |  |  |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |  |  |
Cost or Amortized Cost | 3 |  | 0 |  |  |
Gross Unrealized Gains | 0 |  | 0 |  |  |
Gross Unrealized Losses | 0 |  | 0 |  |  |
Allowance for Credit Losses | 0 |  | 0 |  |  |
Estimated Fair Value | 3 |  | 0 |  |  |
Total fixed maturity securities trading |  |  |  |  |  |
Total fixed maturity securities trading |  |  |  |  |  |
Cost or amortized cost, trading securities | 12 |  | 7 |  |  |
Estimated fair value, trading securities | $ 12 |  | $ 7 |  |  |

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