Investments - Schedule of Bank Loans Amortized Cost by Credit Quality and Year of Origination (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Schedule of Available for Sale Securities
Amortized cost, net	$ 784	$ 822
Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	211	246
Allowance	(10)	(22)
Amortized cost, net	201	224
2019 and prior | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	25
2020 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	1
2021 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	4
2022 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	4
2023 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	45
2024 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	132
NAIC 1 / A | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	45	0
NAIC 1 / A | 2019 and prior | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	0
NAIC 1 / A | 2020 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	0
NAIC 1 / A | 2021 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	0
NAIC 1 / A | 2022 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	0
NAIC 1 / A | 2023 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	0
NAIC 1 / A | 2024 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	45
NAIC 2 / BBB | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	6	9
NAIC 2 / BBB | 2019 and prior | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	0
NAIC 2 / BBB | 2020 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	0
NAIC 2 / BBB | 2021 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	0
NAIC 2 / BBB | 2022 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	0
NAIC 2 / BBB | 2023 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	0
NAIC 2 / BBB | 2024 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	6
NAIC 3 / BB | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	27	38
NAIC 3 / BB | 2019 and prior | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	0
NAIC 3 / BB | 2020 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	0
NAIC 3 / BB | 2021 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	2
NAIC 3 / BB | 2022 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	0
NAIC 3 / BB | 2023 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	2
NAIC 3 / BB | 2024 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	23
NAIC 4 / B | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	122	153
NAIC 4 / B | 2019 and prior | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	25
NAIC 4 / B | 2020 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	1
NAIC 4 / B | 2021 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	2
NAIC 4 / B | 2022 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	4
NAIC 4 / B | 2023 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	35
NAIC 4 / B | 2024 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	55
NAIC 5-6 / CCC and below | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	11	$ 46
NAIC 5-6 / CCC and below | 2019 and prior | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	0
NAIC 5-6 / CCC and below | 2020 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	0
NAIC 5-6 / CCC and below | 2021 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	0
NAIC 5-6 / CCC and below | 2022 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	0
NAIC 5-6 / CCC and below | 2023 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	8
NAIC 5-6 / CCC and below | 2024 | Bank loans, net
Schedule of Available for Sale Securities
Amortized cost before allowance	$ 3