Financing Receivables - Residential Mortgage Loans (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Financing receivables - credit quality information
Loan write-offs	$ 1	$ 1
Consumer Loans
Financing receivables - credit quality information
Loan write-offs	0	$ 1
Consumer Loans \| Residential mortgage loans
Financing receivables - credit quality information
Loans	905		$ 799
Year 1	101		387
Year 2	417		171
Year 3	157		146
Year 4	136		58
Year 5	57		26
Prior	37		11
Total	905		799
Consumer Loans \| Residential mortgage loans \| Past due
Financing receivables - credit quality information
Loans	4		8
Total	4		8
FICO Score, Greater than 810 \| Consumer Loans \| Residential mortgage loans
Financing receivables - credit quality information
Loans	37		43
Year 1	3		23
Year 2	22		8
Year 3	4		7
Year 4	4		2
Year 5	2		2
Prior	2		1
Total	37		43
FICO Score, 780-809 \| Consumer Loans \| Residential mortgage loans
Financing receivables - credit quality information
Loans	377		337
Year 1	40		177
Year 2	184		76
Year 3	71		50
Year 4	48		22
Year 5	22		7
Prior	12		5
Total	377		337
FICO Score, 740-779 \| Consumer Loans \| Residential mortgage loans
Financing receivables - credit quality information
Loans	331		279
Year 1	40		128
Year 2	147		56
Year 3	52		62
Year 4	58		22
Year 5	22		7
Prior	12		4
Total	331		279
FICO Score 720 to 739 \| Consumer Loans \| Residential mortgage loans
Financing receivables - credit quality information
Loans	78		67
Year 1	10		29
Year 2	32		17
Year 3	16		13
Year 4	13		4
Year 5	3		4
Prior	4		0
Total	78		67
FICO Score 700 to 719 \| Consumer Loans \| Residential mortgage loans
Financing receivables - credit quality information
Loans	47		41
Year 1	7		16
Year 2	17		8
Year 3	7		8
Year 4	7		5
Year 5	5		3
Prior	4		1
Total	47		41
FICO Score Less Than 699 \| Consumer Loans \| Residential mortgage loans
Financing receivables - credit quality information
Loans	35		32
Year 1	1		14
Year 2	15		6
Year 3	7		6
Year 4	6		3
Year 5	3		3
Prior	3		0
Total	$ 35		$ 32

Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

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