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v3.25.3

Investments - Schedule of sources of net investment income (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Net Investment Income [Line Items] |  |  |  |
Investment income | $ 211 | $ 206 | $ 581 | $ 603
Equity in earnings of partnerships and similar investments | 27 | 6 | 34 | 45
Investment expenses | (6) | (6) | (19) | (17)
Net investment income | 205 | 200 | 562 | 586
Fixed maturities | Net investment income |  |  |  |
Net Investment Income [Line Items] |  |  |  |
Investment income | 148 | 136 | 429 | 406
Fixed maturities | Net investment income |  |  |  |
Net Investment Income [Line Items] |  |  |  |
Change in fair value of fixed maturity securities | 4 | 7 | 6 | 7
Equity securities | Net investment income |  |  |  |
Net Investment Income [Line Items] |  |  |  |
Dividends | 6 | 6 | 27 | 20
Change in fair value of equity securities | (6) | 20 | (2) | 45
Cash and cash equivalents |  |  |  |
Net Investment Income [Line Items] |  |  |  |
Investment income | 14 | 16 | 37 | 40
Other |  |  |  |
Net Investment Income [Line Items] |  |  |  |
Investment income | $ 18 | $ 15 | $ 50 | $ 40

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