Financing Receivables - Credit Quality Information - Syndicated Loans (Details) - Commercial Loans - Syndicated loans - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Amortized cost basis by year of origination and loan-to-value ratio
Year 1	$ 10	$ 23
Year 2	37	7
Year 3	11	20
Year 4	26	26
Year 5	21	40
Prior	72	33
Total amortized cost basis	177	149
Risk 5
Amortized cost basis by year of origination and loan-to-value ratio
Year 1	1	0
Year 2	0	0
Year 3	0	1
Year 4	0	0
Year 5	0	0
Prior	0	0
Total amortized cost basis	1	1
Risk 4
Amortized cost basis by year of origination and loan-to-value ratio
Year 1	0	0
Year 2	0	0
Year 3	0	0
Year 4	1	0
Year 5	0	1
Prior	2	2
Total amortized cost basis	3	3
Risk 3
Amortized cost basis by year of origination and loan-to-value ratio
Year 1	0	0
Year 2	9	0
Year 3	1	4
Year 4	7	5
Year 5	3	5
Prior	10	6
Total amortized cost basis	30	20
Risk 2
Amortized cost basis by year of origination and loan-to-value ratio
Year 1	8	15
Year 2	20	4
Year 3	7	12
Year 4	12	10
Year 5	5	18
Prior	35	12
Total amortized cost basis	87	71
Risk 1
Amortized cost basis by year of origination and loan-to-value ratio
Year 1	1	8
Year 2	8	3
Year 3	3	3
Year 4	6	11
Year 5	13	16
Prior	25	13
Total amortized cost basis	56	54
Past due
Amortized cost basis by year of origination and loan-to-value ratio
Total amortized cost basis	$ 0	$ 0