Investments - Commercial Mortgage Loans by Year of Origination (Details) - Commercial $ in Millions	Mar. 31, 2026 USD ($)	Dec. 31, 2025 USD ($)
Origination Year
Year one	$ 458	$ 1,515
Year two	1,508	1,563
Year three	1,545	1,366
Year four	1,342	1,787
Year five	1,715	2,271
Year six and prior	11,064	9,171
Total	17,632	17,673
LTV Less Than 65%
Origination Year
Year one	427	1,322
Year two	1,331	1,496
Year three	1,487	1,332
Year four	1,309	1,706
Year five	1,647	2,208
Year six and prior	10,970	9,098
Total	$ 17,171	$ 17,162
Debt-Service Coverage Ratio
Year one	1.64	1.81
Year two	1.81	1.68
Year three	1.68	1.86
Year four	1.87	2.21
Year five	2.23	3.66
Year six and prior	2.73	2.53
LTV 65% to 75%
Origination Year
Year one	$ 30	$ 182
Year two	166	66
Year three	57	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	27
Total	$ 26	$ 71
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	1.94