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Investments - Bank loans amortized cost by credit quality and year of origination (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Schedule of Available for Sale Securities |  |
Amortized cost, net | $ 823 | $ 762
Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 729 | 743
Allowance | (62) | (57)
Amortized cost, net | 667 | 686
NAIC 2 / BBB | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 63 | 54
NAIC 3 / BB | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 219 | 266
NAIC 4 / B | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 346 | 329
NAIC 5-6/ CCC and below | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 101 | $ 94
2018 and prior | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 57 |
2018 and prior | NAIC 2 / BBB | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 4 |
2018 and prior | NAIC 3 / BB | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 0 |
2018 and prior | NAIC 4 / B | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 15 |
2018 and prior | NAIC 5-6/ CCC and below | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 38 |
2019 | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 57 |
2019 | NAIC 2 / BBB | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 6 |
2019 | NAIC 3 / BB | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 4 |
2019 | NAIC 4 / B | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 17 |
2019 | NAIC 5-6/ CCC and below | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 30 |
2020 | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 22 |
2020 | NAIC 2 / BBB | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 4 |
2020 | NAIC 3 / BB | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 1 |
2020 | NAIC 4 / B | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 15 |
2020 | NAIC 5-6/ CCC and below | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 2 |
2021 | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 416 |
2021 | NAIC 2 / BBB | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 42 |
2021 | NAIC 3 / BB | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 150 |
2021 | NAIC 4 / B | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 202 |
2021 | NAIC 5-6/ CCC and below | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 22 |
2022 | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 64 |
2022 | NAIC 2 / BBB | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 5 |
2022 | NAIC 3 / BB | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 15 |
2022 | NAIC 4 / B | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 37 |
2022 | NAIC 5-6/ CCC and below | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 7 |
Current | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 113 |
Current | NAIC 2 / BBB | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 2 |
Current | NAIC 3 / BB | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 49 |
Current | NAIC 4 / B | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | 60 |
Current | NAIC 5-6/ CCC and below | Bank loans, net |  |
Schedule of Available for Sale Securities |  |
Amortized cost before allowance | $ 2 |

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