Financing Receivables - Credit Quality Information - Residential Mortgage Loans (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Residential mortgage loans
Loan write-offs	$ 5	$ 8	$ 4
Consumer Loans
Residential mortgage loans
Loan write-offs	4	4	$ 2
Consumer Loans \| Residential mortgage loans
Residential mortgage loans
Year 1	387	186
Year 2	171	172
Year 3	146	68
Year 4	58	27
Year 5	26	13
Prior	11
Total	799	466
Consumer Loans \| Residential mortgage loans \| Past due
Residential mortgage loans
Total	8	4
Consumer Loans \| Residential mortgage loans \| > 810
Residential mortgage loans
Year 1	23	5
Year 2	8	9
Year 3	7	2
Year 4	2	2
Year 5	2	1
Prior	1
Total	43	19
Consumer Loans \| Residential mortgage loans \| 780 - 809
Residential mortgage loans
Year 1	177	84
Year 2	76	56
Year 3	50	28
Year 4	22	7
Year 5	7	6
Prior	5
Total	337	181
Consumer Loans \| Residential mortgage loans \| 740 - 779
Residential mortgage loans
Year 1	128	64
Year 2	56	77
Year 3	62	25
Year 4	22	7
Year 5	7	5
Prior	4
Total	279	178
Consumer Loans \| Residential mortgage loans \| 720 - 739
Residential mortgage loans
Year 1	29	17
Year 2	17	15
Year 3	13	5
Year 4	4	5
Year 5	4	0
Prior	0
Total	67	42
Consumer Loans \| Residential mortgage loans \| 700 - 719
Residential mortgage loans
Year 1	16	9
Year 2	8	8
Year 3	8	5
Year 4	5	3
Year 5	3	1
Prior	1
Total	41	26
Consumer Loans \| Residential mortgage loans \| Less than 699
Residential mortgage loans
Year 1	14	7
Year 2	6	7
Year 3	6	3
Year 4	3	3
Year 5	3	0
Prior	0
Total	$ 32	$ 20

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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