Investments - Commercial Mortgage Loans by Year of Origination (Details) - Commercial $ in Millions	Mar. 31, 2026 USD ($)	Dec. 31, 2025 USD ($)
Origination Year
Year one	$ 457	$ 1,515
Year two	1,507	1,564
Year three	1,547	1,344
Year four	1,320	1,784
Year five	1,712	2,253
Year six and prior	10,955	9,078
Total	17,498	17,538
LTV Less Than 65%
Origination Year
Year one	426	1,322
Year two	1,331	1,497
Year three	1,488	1,310
Year four	1,287	1,703
Year five	1,644	2,190
Year six and prior	10,861	9,014
Total	$ 17,037	$ 17,036
Debt-Service Coverage Ratio
Year one	1.64	1.81
Year two	1.81	1.68
Year three	1.68	1.87
Year four	1.87	2.20
Year five	2.23	3.65
Year six and prior	2.73	2.53
LTV 65% to 75%
Origination Year
Year one	$ 30	$ 182
Year two	165	66
Year three	58	33
Year four	32	76
Year five	65	37
Year six and prior	85	46
Total	$ 435	$ 440
Debt-Service Coverage Ratio
Year one	1.38	1.41
Year two	1.41	1.41
Year three	1.41	1.38
Year four	1.39	1.59
Year five	1.64	1.70
Year six and prior	2.35	1.38
LTV Greater Than 75%
Origination Year
Year one	$ 1	$ 11
Year two	11	1
Year three	1	1
Year four	1	5
Year five	3	26
Year six and prior	9	18
Total	$ 26	$ 62
Debt-Service Coverage Ratio
Year one	1.61	1.20
Year two	1.20	2.01
Year three	2.06	1.17
Year four	1.17	1.83
Year five	1.21	4.36
Year six and prior	1.60	1.86