v3.26.1
Investments - Schedule of Amortized Cost, Allowance for Credit Losses, Gross Unrealized Gains and Losses and Fair Value of AFS Investments by Asset Type (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Debt Securities, Available-for-sale [Line Items]            
Amortized Cost $ 241,650   $ 228,168      
Allowance for Credit Losses (704) $ (744) (758) $ (761) $ (709) $ (709)
Gross Unrealized Gains 2,033   3,539      
Gross Unrealized Losses (13,138)   (12,305)      
Fair Value 229,841   218,644      
Nonrelated Party            
Debt Securities, Available-for-sale [Line Items]            
Amortized Cost 208,443   202,116      
Allowance for Credit Losses (703) (743) (757) (760) (708) (708)
Gross Unrealized Gains 1,911   3,330      
Gross Unrealized Losses (12,888)   (12,092)      
Fair Value 196,763   192,597      
Due to related parties            
Debt Securities, Available-for-sale [Line Items]            
Amortized Cost 33,207   26,052      
Allowance for Credit Losses (1)   (1)      
Gross Unrealized Gains 122   209      
Gross Unrealized Losses (250)   (213)      
Fair Value 33,078   26,047      
U.S. government and agencies | Nonrelated Party            
Debt Securities, Available-for-sale [Line Items]            
Amortized Cost 24,849   18,008      
Allowance for Credit Losses 0   0      
Gross Unrealized Gains 27   116      
Gross Unrealized Losses (1,460)   (1,226)      
Fair Value 23,416   16,898      
U.S. state, municipal and political subdivisions | Nonrelated Party            
Debt Securities, Available-for-sale [Line Items]            
Amortized Cost 690   954      
Allowance for Credit Losses 0   0      
Gross Unrealized Gains 0   0      
Gross Unrealized Losses (164)   (195)      
Fair Value 526   759      
Foreign governments | Nonrelated Party            
Debt Securities, Available-for-sale [Line Items]            
Amortized Cost 2,384   2,225      
Allowance for Credit Losses 0   0      
Gross Unrealized Gains 29   32      
Gross Unrealized Losses (682)   (598)      
Fair Value 1,731   1,659      
Corporate | Nonrelated Party            
Debt Securities, Available-for-sale [Line Items]            
Amortized Cost 101,635   97,166      
Allowance for Credit Losses (23) (56) (105) (174) (174) (175)
Gross Unrealized Gains 735   1,291      
Gross Unrealized Losses (9,422)   (8,921)      
Fair Value 92,925   89,431      
Corporate | Due to related parties            
Debt Securities, Available-for-sale [Line Items]            
Amortized Cost 3,354   2,287      
Allowance for Credit Losses 0   0      
Gross Unrealized Gains 23   43      
Gross Unrealized Losses (13)   (13)      
Fair Value 3,364   2,317      
CLO | Nonrelated Party            
Debt Securities, Available-for-sale [Line Items]            
Amortized Cost 21,061   25,730      
Allowance for Credit Losses 0   0      
Gross Unrealized Gains 362   648      
Gross Unrealized Losses (91)   (106)      
Fair Value 21,332   26,272      
CLO | Due to related parties            
Debt Securities, Available-for-sale [Line Items]            
Amortized Cost 6,702   7,103      
Allowance for Credit Losses 0   0      
Gross Unrealized Gains 71   121      
Gross Unrealized Losses (27)   (21)      
Fair Value 6,746   7,203      
ABS | Nonrelated Party            
Debt Securities, Available-for-sale [Line Items]            
Amortized Cost 36,714   35,275      
Allowance for Credit Losses (185) (179) (171) (130) (82) (76)
Gross Unrealized Gains 484   823      
Gross Unrealized Losses (477)   (465)      
Fair Value 36,536   35,462      
ABS | Due to related parties            
Debt Securities, Available-for-sale [Line Items]            
Amortized Cost 23,040   16,500      
Allowance for Credit Losses (1) (1) (1) (1) (1) (1)
Gross Unrealized Gains 28   45      
Gross Unrealized Losses (210)   (178)      
Fair Value 22,857   16,366      
CMBS | Nonrelated Party            
Debt Securities, Available-for-sale [Line Items]            
Amortized Cost 12,620   13,351      
Allowance for Credit Losses (78) (91) (70) (62) (60) (60)
Gross Unrealized Gains 57   120      
Gross Unrealized Losses (315)   (317)      
Fair Value 12,284   13,084      
CMBS | Due to related parties            
Debt Securities, Available-for-sale [Line Items]            
Amortized Cost 111   162      
Allowance for Credit Losses 0   0      
Gross Unrealized Gains 0   0      
Gross Unrealized Losses 0   (1)      
Fair Value 111   161      
RMBS | Nonrelated Party            
Debt Securities, Available-for-sale [Line Items]            
Amortized Cost 8,490   9,407      
Allowance for Credit Losses (417) $ (417) (411) $ (394) $ (392) $ (397)
Gross Unrealized Gains 217   300      
Gross Unrealized Losses (277)   (264)      
Fair Value $ 8,013   $ 9,032