v3.23.1
Schedule I (Details)
$ in Millions
Dec. 31, 2022
USD ($)
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost $ (245,512)
Fair value (216,979)
Amount at which shown in the Balance Sheet (220,415)
Fixed maturity securities  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost (185,043)
Fair value (160,562)
Amount at which shown in the Balance Sheet (160,562)
U.S. government and government sponsored entities  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost (1,405)
Fair value (1,198)
Amount at which shown in the Balance Sheet (1,198)
Obligations of states, municipalities and political subdivisions  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost (6,845)
Fair value (5,963)
Amount at which shown in the Balance Sheet (5,963)
Non-U.S. governments  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost (5,273)
Fair value (4,414)
Amount at which shown in the Balance Sheet (4,414)
Public utilities  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost (20,187)
Fair value (16,611)
Amount at which shown in the Balance Sheet (16,611)
All other corporate debt securities  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost (106,103)
Fair value (90,303)
Amount at which shown in the Balance Sheet (90,303)
ABS  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost (45,230)
Fair value (42,073)
Amount at which shown in the Balance Sheet (42,073)
Total common stock  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost (66)
Fair value (66)
Amount at which shown in the Balance Sheet (66)
Public utilities  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost 0
Fair value 0
Amount at which shown in the Balance Sheet 0
Banks, trust and insurance companies  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost (2)
Fair value (2)
Amount at which shown in the Balance Sheet (2)
Industrial, miscellaneous and all other  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost (64)
Fair value (64)
Amount at which shown in the Balance Sheet (64)
Total equity securities and mutual funds  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost (170)
Fair value (170)
Amount at which shown in the Balance Sheet (170)
Preferred stock  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost (27)
Fair value (27)
Amount at which shown in the Balance Sheet (27)
Mutual funds  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost (77)
Fair value (77)
Amount at which shown in the Balance Sheet (77)
Total mortgage and other loans receivable  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost (45,166)
Fair value (41,130)
Amount at which shown in the Balance Sheet (45,166)
Commercial Mortgages  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost (32,993)
Fair value (29,998)
Amount at which shown in the Balance Sheet (32,993)
Residential Mortgages  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost (5,856)
Fair value (4,950)
Amount at which shown in the Balance Sheet (5,856)
Life Insurance Policy Loans  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost (1,750)
Fair value (1,752)
Amount at which shown in the Balance Sheet (1,750)
Commercial Loans, Other Loans And Notes Receivable  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost (4,567)
Fair value (4,430)
Amount at which shown in the Balance Sheet (4,567)
Allowance for credit losses  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost (600)
Fair value 0
Amount at which shown in the Balance Sheet (600)
Total mortgage and other loans receivable, net of allowance  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost (44,566)
Fair value (41,130)
Amount at which shown in the Balance Sheet (44,566)
Other Invested Assets  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost (11,034)
Fair value (10,418)
Amount at which shown in the Balance Sheet (10,418)
Other Invested Assets | Total derivatives with related parties  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Amount at which shown in the Balance Sheet (6)
Short-term Investments  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost (4,400)
Fair value (4,400)
Amount at which shown in the Balance Sheet (4,400)
Derivative  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost (299)
Fair value (299)
Amount at which shown in the Balance Sheet (299)
RMBS  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Cost (43)
Fair value (39)
Derivative Assets | Total derivatives with related parties  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Amount at which shown in the Balance Sheet (265)
Derivative liabilities, net | Total derivatives with related parties  
SEC Schedule, 12-15, Insurance Companies, Summary of Investments, Other than Investments in Related Parties [Line Items]  
Amount at which shown in the Balance Sheet $ (97)