v3.24.0.1
Investments - Schedule of Unrealized Losses on AFS Securities (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, Fair Value $ 17,675 $ 98,331
Less than 12 months, Gross Unrealized Losses (801) (18,593)
12 months or longer, Fair Value 79,813 0
12 months or longer, Gross Unrealized Losses (13,567) 0
Total Fair Value 97,488 98,331
Total Gross Unrealized Losses (14,368) (18,593)
Nonrelated Party    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, Fair Value 14,722 89,473
Less than 12 months, Gross Unrealized Losses (684) (17,965)
12 months or longer, Fair Value 74,046 0
12 months or longer, Gross Unrealized Losses (13,203) 0
Total Fair Value 88,768 89,473
Total Gross Unrealized Losses (13,887) (17,965)
Related Party    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, Fair Value 2,953 8,858
Less than 12 months, Gross Unrealized Losses (117) (628)
12 months or longer, Fair Value 5,767 0
12 months or longer, Gross Unrealized Losses (364) 0
Total Fair Value 8,720 8,858
Total Gross Unrealized Losses (481) (628)
U.S. government and agencies | Nonrelated Party    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, Fair Value 2,013 2,539
Less than 12 months, Gross Unrealized Losses (94) (756)
12 months or longer, Fair Value 2,389 0
12 months or longer, Gross Unrealized Losses (735) 0
Total Fair Value 4,402 2,539
Total Gross Unrealized Losses (829) (756)
U.S. state, municipal and political subdivisions | Nonrelated Party    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, Fair Value 123 911
Less than 12 months, Gross Unrealized Losses (5) (291)
12 months or longer, Fair Value 888 0
12 months or longer, Gross Unrealized Losses (245) 0
Total Fair Value 1,011 911
Total Gross Unrealized Losses (250) (291)
Foreign governments | Nonrelated Party    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, Fair Value 690 891
Less than 12 months, Gross Unrealized Losses (13) (275)
12 months or longer, Fair Value 760 0
12 months or longer, Gross Unrealized Losses (242) 0
Total Fair Value 1,450 891
Total Gross Unrealized Losses (255) (275)
Corporate | Nonrelated Party    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, Fair Value 7,752 58,256
Less than 12 months, Gross Unrealized Losses (474) (13,773)
12 months or longer, Fair Value 50,028 0
12 months or longer, Gross Unrealized Losses (10,311) 0
Total Fair Value 57,780 58,256
Total Gross Unrealized Losses (10,785) (13,773)
Corporate | Related Party    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, Fair Value 548 619
Less than 12 months, Gross Unrealized Losses (35) (47)
12 months or longer, Fair Value 382 0
12 months or longer, Gross Unrealized Losses (37) 0
Total Fair Value 930 619
Total Gross Unrealized Losses (72) (47)
CLO | Nonrelated Party    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, Fair Value 689 13,486
Less than 12 months, Gross Unrealized Losses (2) (1,277)
12 months or longer, Fair Value 11,579 0
12 months or longer, Gross Unrealized Losses (543) 0
Total Fair Value 12,268 13,486
Total Gross Unrealized Losses (545) (1,277)
CLO | Related Party    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, Fair Value 397 2,752
Less than 12 months, Gross Unrealized Losses (16) (273)
12 months or longer, Fair Value 2,592 0
12 months or longer, Gross Unrealized Losses (102) 0
Total Fair Value 2,989 2,752
Total Gross Unrealized Losses (118) (273)
ABS | Nonrelated Party    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, Fair Value 2,129 8,119
Less than 12 months, Gross Unrealized Losses (75) (801)
12 months or longer, Fair Value 4,378 0
12 months or longer, Gross Unrealized Losses (458) 0
Total Fair Value 6,507 8,119
Total Gross Unrealized Losses (533) (801)
ABS | Related Party    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, Fair Value 2,008 5,487
Less than 12 months, Gross Unrealized Losses (66) (308)
12 months or longer, Fair Value 2,793 0
12 months or longer, Gross Unrealized Losses (225) 0
Total Fair Value 4,801 5,487
Total Gross Unrealized Losses (291) (308)
CMBS | Nonrelated Party    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, Fair Value 859 2,650
Less than 12 months, Gross Unrealized Losses (12) (427)
12 months or longer, Fair Value 1,967 0
12 months or longer, Gross Unrealized Losses (406) 0
Total Fair Value 2,826 2,650
Total Gross Unrealized Losses (418) (427)
RMBS | Nonrelated Party    
Debt Securities, Available-for-sale [Line Items]    
Less than 12 months, Fair Value 467 2,621
Less than 12 months, Gross Unrealized Losses (9) (365)
12 months or longer, Fair Value 2,057 0
12 months or longer, Gross Unrealized Losses (263) 0
Total Fair Value 2,524 2,621
Total Gross Unrealized Losses $ (272) $ (365)