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Investments - OTTI losses by asset type (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Realized capital gains and losses by asset type |  |  |  |
Fixed income securities | $ (6) | $ (12) | $ (30) | $ 2
Total credit losses by asset type | (6) | (12) | (30) | 2
Commitments to fund commercial mortgage loans and bank loans | 0 | 0 | 0 | 0
Fixed income securities |  |  |  |
Realized capital gains and losses by asset type |  |  |  |
Fixed income securities | (4) | 0 | (8) | 1
Corporate |  |  |  |
Realized capital gains and losses by asset type |  |  |  |
Fixed income securities | (2) | 0 | (6) | 0
ABS |  |  |  |
Realized capital gains and losses by asset type |  |  |  |
Fixed income securities | (2) | 0 | (2) | 1
Mortgage loans |  |  |  |
Realized capital gains and losses by asset type |  |  |  |
Total credit losses by asset type | 1 | 0 | 0 | 17
Limited partnership interests |  |  |  |
Realized capital gains and losses by asset type |  |  |  |
Total credit losses by asset type | (1) | 0 | (4) | 0
Bank loans, net |  |  |  |
Realized capital gains and losses by asset type |  |  |  |
Total credit losses by asset type | (2) | (13) | (18) | (16)
Agent loans |  |  |  |
Realized capital gains and losses by asset type |  |  |  |
Total credit losses by asset type | $ 0 | $ 1 | $ 0 | $ 0

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