Financing Receivables - Credit Quality Information - Syndicated Loans (Details) - USD ($)	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Dec. 31, 2025
Financing receivables - credit quality information
Charge-offs	$ 2,000,000	$ 2,000,000
Commercial Loans
Financing receivables - credit quality information
Charge-offs	1,000,000	$ 0
Commercial Loans \| Syndicated loans
Financing receivables - credit quality information
Recorded investment	74,000,000		$ 79,000,000
Amortized cost basis by year of origination and loan-to-value ratio
2026	19,000,000		32,000,000
2025	25,000,000		31,000,000
2024	20,000,000		9,000,000
2023	6,000,000		0
2022	0		3,000,000
Prior	4,000,000		4,000,000
Total	74,000,000		79,000,000
Commercial Loans \| Syndicated loans \| Risk 5
Financing receivables - credit quality information
Recorded investment	0		0
Amortized cost basis by year of origination and loan-to-value ratio
2026	0		0
2025	0		0
2024	0		0
2023	0		0
2022	0		0
Prior	0		0
Total	0		0
Commercial Loans \| Syndicated loans \| Risk 4
Financing receivables - credit quality information
Recorded investment	2,000,000		1,000,000
Amortized cost basis by year of origination and loan-to-value ratio
2026	0		0
2025	1,000,000		0
2024	0		0
2023	0		0
2022	0		0
Prior	1,000,000		1,000,000
Total	2,000,000		1,000,000
Commercial Loans \| Syndicated loans \| Risk 3
Financing receivables - credit quality information
Recorded investment	15,000,000		9,000,000
Amortized cost basis by year of origination and loan-to-value ratio
2026	6,000,000		7,000,000
2025	7,000,000		1,000,000
2024	1,000,000		1,000,000
2023	1,000,000		0
2022	0		0
Prior	0		0
Total	15,000,000		9,000,000
Commercial Loans \| Syndicated loans \| Risk 2
Financing receivables - credit quality information
Recorded investment	36,000,000		35,000,000
Amortized cost basis by year of origination and loan-to-value ratio
2026	13,000,000		11,000,000
2025	8,000,000		15,000,000
2024	9,000,000		3,000,000
2023	3,000,000		0
2022	0		3,000,000
Prior	3,000,000		3,000,000
Total	36,000,000		35,000,000
Commercial Loans \| Syndicated loans \| Risk 1
Financing receivables - credit quality information
Recorded investment	21,000,000		34,000,000
Amortized cost basis by year of origination and loan-to-value ratio
2026	0		14,000,000
2025	9,000,000		15,000,000
2024	10,000,000		5,000,000
2023	2,000,000		0
2022	0		0
Prior	0		0
Total	21,000,000		34,000,000
Commercial Loans \| Syndicated loans \| Past due
Financing receivables - credit quality information
Recorded investment	0		0
Amortized cost basis by year of origination and loan-to-value ratio
Total	$ 0		$ 0

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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Amortized cost excluding accrued interest, of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease.

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