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v3.23.2

Investments (Net investment income) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Net Investment Income [Line Items] |  |  |  |
Gross investment income | $ 594 | $ 450 | $ 1,138 | $ 915
Investment expense | (19) | (18) | (38) | (35)
Net investment income | 575 | 432 | 1,100 | 880
Fixed maturity securities |  |  |  |
Net Investment Income [Line Items] |  |  |  |
Gross investment income | 482 | 441 | 952 | 870
Equity securities |  |  |  |
Net Investment Income [Line Items] |  |  |  |
Gross investment income | 21 | (11) | 33 | (9)
Limited partnership investments |  |  |  |
Net Investment Income [Line Items] |  |  |  |
Gross investment income | 55 | 6 | 80 | 24
Mortgage loans |  |  |  |
Net Investment Income [Line Items] |  |  |  |
Gross investment income | 14 | 12 | 28 | 27
Short term investments |  |  |  |
Net Investment Income [Line Items] |  |  |  |
Gross investment income | 13 | 2 | 28 | 2
Trading portfolio |  |  |  |
Net Investment Income [Line Items] |  |  |  |
Gross investment income | 0 | 0 | 3 | 1
Other |  |  |  |
Net Investment Income [Line Items] |  |  |  |
Gross investment income | 9 | 0 | 14 | 0
Common Stock |  |  |  |
Net Investment Income [Line Items] |  |  |  |
Net investment income (loss) recognized due to the change in fair value of common stock held as of June 30, 2023 and 2022 | $ 10 | $ (22) | $ 7 | $ (23)

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