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Investments - Schedule of Credit Losses Recognized in Net Income (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Realized capital gains and losses by asset type |  |  |  |
Commitments to fund line of credit, commercial mortgage loans and bank loans | $ 0 | $ 0 | $ (15) | $ 1
Total | (23) | (12) | (103) | (143)
Fixed income securities |  |  |  |
Realized capital gains and losses by asset type |  |  |  |
Total credit losses by asset type | 0 | (3) | 0 | (4)
Municipal |  |  |  |
Realized capital gains and losses by asset type |  |  |  |
Total | 0 | (2) | 0 | (2)
Corporate |  |  |  |
Realized capital gains and losses by asset type |  |  |  |
Total credit losses by asset type | 0 | (1) | 0 | (2)
Mortgage loans |  |  |  |
Realized capital gains and losses by asset type |  |  |  |
Total credit losses by asset type | (6) | (1) | (6) | 0
Limited partnership interests |  |  |  |
Realized capital gains and losses by asset type |  |  |  |
Total credit losses by asset type | (8) | (8) | (12) | (24)
Bank loans |  |  |  |
Realized capital gains and losses by asset type |  |  |  |
Total credit losses by asset type | (3) | 0 | (12) | 5
Real estate |  |  |  |
Realized capital gains and losses by asset type |  |  |  |
Total credit losses by asset type | (6) | 0 | (6) | 2
Other assets |  |  |  |
Realized capital gains and losses by asset type |  |  |  |
Total credit losses by asset type | $ 0 | $ 0 | $ (52) | $ (123)

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