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Investments - Available-for-sale Impairment Losses Recognized in Earnings (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Fixed maturity securities available-for-sale: |  |  |  |
Impairment losses recognized in earnings | $ 12 | $ 12 | $ 32 | $ 37
Mortgage Receivable |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |
Gain (loss) on mortgage loans due to changes in expected credit losses | 0 | 5 | 0 | 11
Corporate and other bonds |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |
Impairment losses recognized in earnings | 8 | 8 | 23 | 25
Asset-backed |  |  |  |
Fixed maturity securities available-for-sale: |  |  |  |
Impairment losses recognized in earnings | $ 4 | $ 4 | $ 9 | $ 12

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- Definition Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
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