Financing Receivables - Credit Quality - Commercial Mortgage Loans by LTV Ratio and Year of Origination (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Amortized cost basis by year of origination and loan-to-value ratio
Loan write-offs	$ 5	$ 8	$ 4
Commercial Loans
Amortized cost basis by year of origination and loan-to-value ratio
Loan write-offs	1	4	$ 2
Commercial Loans \| Commercial mortgage loans
Amortized cost basis by year of origination and loan-to-value ratio
Year 1	257	188
Year 2	184	76
Year 3	71	105
Year 4	103	180
Year 5	170	106
Prior	1,254	1,247
Total	2,039	1,902
Commercial Loans \| Commercial mortgage loans \| > 100%
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	0	0
Year 5	0	0
Prior	15	15
Total	15	15
Commercial Loans \| Commercial mortgage loans \| 80% - 100%
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	0	0
Year 5	0	10
Prior	56	48
Total	56	58
Commercial Loans \| Commercial mortgage loans \| 60% - 80%
Amortized cost basis by year of origination and loan-to-value ratio
Year 1	83	86
Year 2	82	44
Year 3	18	18
Year 4	12	9
Year 5	0	5
Prior	103	130
Total	298	292
Commercial Loans \| Commercial mortgage loans \| 40% - 60%
Amortized cost basis by year of origination and loan-to-value ratio
Year 1	129	87
Year 2	87	22
Year 3	42	39
Year 4	26	69
Year 5	62	41
Prior	339	348
Total	685	606
Commercial Loans \| Commercial mortgage loans \| Less than 40%
Amortized cost basis by year of origination and loan-to-value ratio
Year 1	45	15
Year 2	15	10
Year 3	11	48
Year 4	65	102
Year 5	108	50
Prior	741	706
Total	$ 985	$ 931

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
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-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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