v3.24.3
Fair Value of Financial Instruments - Schedule of Changes to Fair Value of Financial Instruments Level 3 (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Jul. 17, 2024
Liabilities          
Liabilities, Total (Losses) Gains Included in Earnings $ 314 $ (780) $ 501 $ (198)  
Liabilities, Total (Losses) Gains Included in AOCI 0 0 0 0  
Liabilities, Purchases 390 576 1,059 765  
Liabilities, Sales 0 0 0 0  
Liabilities, Settlements (135) (45) (310) (110)  
Liabilities, Net transfer In (Out) of Level 3 $ (28) $ 0 $ (28) $ 0  
Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Recognized gains and losses, net Recognized gains and losses, net Recognized gains and losses, net Recognized gains and losses, net  
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration] Unrealized gain (loss) on investments and other financial instruments (excluding investments in unconsolidated affiliates) Unrealized gain (loss) on investments and other financial instruments (excluding investments in unconsolidated affiliates) Unrealized gain (loss) on investments and other financial instruments (excluding investments in unconsolidated affiliates) Unrealized gain (loss) on investments and other financial instruments (excluding investments in unconsolidated affiliates)  
PALH LLC          
Liabilities          
Ownership interest prior to acquisition         30.00%
Level 3          
Fixed maturity securities available-for-sale:          
Balance at Beginning of Period $ 11,068 $ 8,759 $ 9,677 $ 8,286  
Balance at End of Period 11,596 9,121 11,596 9,121  
Liabilities          
Balance at Beginning of Period 5,398 4,134 4,661 3,397  
Balance at End of Period 6,083 3,850 6,083 3,850  
Indexed annuities/indexed universal life insurance ("IUL") embedded derivatives, included in contractholder funds          
Liabilities          
Balance at Beginning of Period 4,848 3,821 4,258 3,115  
Liabilities, Total (Losses) Gains Included in Earnings 308 (796) 452 (214)  
Liabilities, Total (Losses) Gains Included in AOCI 0 0 0 0  
Liabilities, Purchases 390 576 1,011 765  
Liabilities, Sales 0 0 0 0  
Liabilities, Settlements (135) (45) (310) (110)  
Liabilities, Net transfer In (Out) of Level 3 0 0 0 0  
Balance at End of Period 5,411 3,556 5,411 3,556  
Change in Unrealized Gains (Losses) Included in OCI 0 0 0 0  
Interest rate swaps          
Liabilities          
Balance at Beginning of Period 28 0 0 0  
Liabilities, Total (Losses) Gains Included in Earnings 0 16 28 16  
Liabilities, Total (Losses) Gains Included in AOCI 0 0 0 0  
Liabilities, Purchases 0 0 0 0  
Liabilities, Sales 0 0 0 0  
Liabilities, Settlements 0 0 0 0  
Liabilities, Net transfer In (Out) of Level 3 (28) 0 (28) 0  
Balance at End of Period 0 16 0 16  
Change in Unrealized Gains (Losses) Included in OCI 0 0 0  
Contingent consideration          
Liabilities          
Balance at Beginning of Period 63   0    
Liabilities, Total (Losses) Gains Included in Earnings 6   21    
Liabilities, Total (Losses) Gains Included in AOCI 0   0    
Liabilities, Purchases 0   48    
Liabilities, Sales 0   0    
Liabilities, Settlements 0   0    
Liabilities, Net transfer In (Out) of Level 3 0   0    
Balance at End of Period 69   69    
Change in Unrealized Gains (Losses) Included in OCI 0   0    
Asset-backed securities          
Fixed maturity securities available-for-sale:          
Balance at Beginning of Period 8,042 6,510 7,122 6,263  
Assets, Total (Losses) Gains Included in Earnings (3) (45) 12 (56)  
Assets, Total (Losses) Gains Included in AOCI 77 75 187 108  
Assets, Purchases 515 536 1,981 1,331  
Assets, Sales (30) (27) (109) (125)  
Assets, Settlements (358) (171) (904) (557)  
Assets, Net transfer In (Out) of Level 3 (59) (121) (105) (207)  
Balance at End of Period 8,184 6,757 8,184 6,757  
Change in Unrealized Included in OCI 77 75 184 107  
Commercial mortgage-backed securities          
Fixed maturity securities available-for-sale:          
Balance at Beginning of Period 15 17 18 37  
Assets, Total (Losses) Gains Included in Earnings 0 0 0 0  
Assets, Total (Losses) Gains Included in AOCI 0 0 0 1  
Assets, Purchases 0 10 58 22  
Assets, Sales 0 0 0 0  
Assets, Settlements 0 0 0 0  
Assets, Net transfer In (Out) of Level 3 (15) 0 (76) (33)  
Balance at End of Period 0 27 0 27  
Change in Unrealized Included in OCI 0 0 0 1  
Corporates          
Fixed maturity securities available-for-sale:          
Balance at Beginning of Period 2,355 1,628 1,979 1,440  
Assets, Total (Losses) Gains Included in Earnings (2) 0 (2) (1)  
Assets, Total (Losses) Gains Included in AOCI 67 (21) 79 (77)  
Assets, Purchases 354 162 873 423  
Assets, Sales 0 0 (96) (1)  
Assets, Settlements (43) (24) (85) (43)  
Assets, Net transfer In (Out) of Level 3 (3) (1) (20) 3  
Balance at End of Period 2,728 1,744 2,728 1,744  
Change in Unrealized Included in OCI 64 (21) 77 (77)  
Municipals          
Fixed maturity securities available-for-sale:          
Balance at Beginning of Period   49 49 29  
Assets, Total (Losses) Gains Included in Earnings   0 0 0  
Assets, Total (Losses) Gains Included in AOCI   (2) 1 18  
Assets, Purchases   0 0 0  
Assets, Sales   0 (50) 0  
Assets, Settlements   0 0 0  
Assets, Net transfer In (Out) of Level 3   0 0 0  
Balance at End of Period 0 47 0 47  
Change in Unrealized Included in OCI   (2) 1 18  
Residential mortgage-backed securities          
Fixed maturity securities available-for-sale:          
Balance at Beginning of Period 3 28 3 302  
Assets, Total (Losses) Gains Included in Earnings 0 0 0 1  
Assets, Total (Losses) Gains Included in AOCI 0 (1) 0 7  
Assets, Purchases 0 0 1 32  
Assets, Sales 0 0 0 0  
Assets, Settlements 0 (1) 0 (9)  
Assets, Net transfer In (Out) of Level 3 0 (23) (1) (330)  
Balance at End of Period 3 3 3 3  
Change in Unrealized Included in OCI 0 (1) 0 7  
Foreign Governments          
Fixed maturity securities available-for-sale:          
Balance at Beginning of Period 5 16 16 16  
Assets, Total (Losses) Gains Included in Earnings 0 0 0 0  
Assets, Total (Losses) Gains Included in AOCI 0 0 0 0  
Assets, Purchases 0 0 0 0  
Assets, Sales 0 0 0 0  
Assets, Settlements 0 0 (11) 0  
Assets, Net transfer In (Out) of Level 3 0 0 0 0  
Balance at End of Period 5 16 5 16  
Change in Unrealized Included in OCI 0 0 0 0  
Preferred securities          
Fixed maturity securities available-for-sale:          
Balance at Beginning of Period 8 7 8 1  
Assets, Total (Losses) Gains Included in Earnings 0 0 0 0  
Assets, Total (Losses) Gains Included in AOCI 0 1 0 1  
Assets, Purchases 0 0 0 0  
Assets, Sales 0 0 0 0  
Assets, Settlements 0 0 0 0  
Assets, Net transfer In (Out) of Level 3 0 0 0 6  
Balance at End of Period 8 8 8 8  
Change in Unrealized Included in OCI 0 1 0 1  
Equity securities          
Fixed maturity securities available-for-sale:          
Balance at Beginning of Period 13 14 15 10  
Assets, Total (Losses) Gains Included in Earnings 0 1 (2) 1  
Assets, Total (Losses) Gains Included in AOCI 0 0 0 0  
Assets, Purchases 0 0 0 0  
Assets, Sales 0 0 0 0  
Assets, Settlements 0 0 0 0  
Assets, Net transfer In (Out) of Level 3 0 0 0 4  
Balance at End of Period 13 15 13 15  
Change in Unrealized Included in OCI 0 0 0 0  
Interest rate swaps          
Fixed maturity securities available-for-sale:          
Balance at Beginning of Period 8   57    
Assets, Total (Losses) Gains Included in Earnings 0   (50)    
Assets, Total (Losses) Gains Included in AOCI (1)   0    
Assets, Purchases 0   0    
Assets, Sales 0   0    
Assets, Settlements 0   0    
Assets, Net transfer In (Out) of Level 3 (7)   (7)    
Balance at End of Period 0   0    
Change in Unrealized Included in OCI 0   1    
Investment in unconsolidated affiliates          
Fixed maturity securities available-for-sale:          
Balance at Beginning of Period 358 197 285 23  
Assets, Total (Losses) Gains Included in Earnings 6 0 79 0  
Assets, Total (Losses) Gains Included in AOCI 0 0 0 0  
Assets, Purchases 0 75 0 249  
Assets, Sales 0 0 0 0  
Assets, Settlements 0 0 0 0  
Assets, Net transfer In (Out) of Level 3 (92) 0 (92) 0  
Balance at End of Period 272 272 272 272  
Change in Unrealized Included in OCI 0 0 0 0  
Short term investments          
Fixed maturity securities available-for-sale:          
Balance at Beginning of Period 71 126 0 0  
Assets, Total (Losses) Gains Included in Earnings 0 0 0 0  
Assets, Total (Losses) Gains Included in AOCI 0 0 0 0  
Assets, Purchases 85 65 156 191  
Assets, Sales 0 (19) 0 (19)  
Assets, Settlements 0 (103) 0 (103)  
Assets, Net transfer In (Out) of Level 3 0 0 0 0  
Balance at End of Period 156 69 156 69  
Change in Unrealized Included in OCI 0 0 0 0  
Other assets          
Fixed maturity securities available-for-sale:          
Balance at Beginning of Period 50   0    
Assets, Total (Losses) Gains Included in Earnings (3)   (3)    
Assets, Total (Losses) Gains Included in AOCI 0   0    
Assets, Purchases 8   58    
Assets, Sales 0   0    
Assets, Settlements 0   0    
Assets, Net transfer In (Out) of Level 3 0   0    
Balance at End of Period 55   55    
Change in Unrealized Included in OCI 0   0    
Available-for-sale embedded derivative          
Fixed maturity securities available-for-sale:          
Balance at Beginning of Period 31 26 27 23  
Assets, Total (Losses) Gains Included in Earnings 0 0 0 0  
Assets, Total (Losses) Gains Included in AOCI 3 (3) 7 0  
Assets, Purchases 0 0 0 0  
Assets, Sales 0 0 0 0  
Assets, Settlements 0 0 0 0  
Assets, Net transfer In (Out) of Level 3 0 0 0 0  
Balance at End of Period 34 23 34 23  
Change in Unrealized Included in OCI 3 (3) 7 0  
Credit linked note          
Fixed maturity securities available-for-sale:          
Balance at Beginning of Period 6 13 10 15  
Assets, Total (Losses) Gains Included in Earnings 0 0 1 0  
Assets, Total (Losses) Gains Included in AOCI 0 0 0 0  
Assets, Purchases 0 0 0 0  
Assets, Sales 0 0 0 0  
Assets, Settlements (2) (1) (7) (3)  
Assets, Net transfer In (Out) of Level 3 0 0 0 0  
Balance at End of Period 4 12 4 12  
Change in Unrealized Included in OCI 0 0 0 0  
Secured borrowing receivable          
Fixed maturity securities available-for-sale:          
Balance at Beginning of Period   10   10  
Assets, Total (Losses) Gains Included in Earnings   0   0  
Assets, Total (Losses) Gains Included in AOCI   0   0  
Assets, Purchases   0   0  
Assets, Sales   0   0  
Assets, Settlements   0   0  
Assets, Net transfer In (Out) of Level 3   0   0  
Balance at End of Period   10   10  
Change in Unrealized Included in OCI   0   0  
Subtotal Level 3 assets at fair value | Level 3          
Fixed maturity securities available-for-sale:          
Balance at Beginning of Period 10,965 8,641 9,589 8,169  
Assets, Total (Losses) Gains Included in Earnings (2) (44) 35 (55)  
Assets, Total (Losses) Gains Included in AOCI 146 49 274 58  
Assets, Purchases 962 848 3,127 2,248  
Assets, Sales (30) (46) (255) (145)  
Assets, Settlements (403) (300) (1,007) (715)  
Assets, Net transfer In (Out) of Level 3 (176) (145) (301) (557)  
Balance at End of Period 11,462 9,003 11,462 9,003  
Change in Unrealized Included in OCI 144 49 270 57  
Market risk benefits asset | Level 3          
Fixed maturity securities available-for-sale:          
Balance at Beginning of Period 103 118 88 117  
Balance at End of Period 134 118 134 118  
Subtotal Level 3 liabilities at fair value          
Liabilities          
Change in Unrealized Gains (Losses) Included in OCI 0 0 0 0  
Subtotal Level 3 liabilities at fair value | Level 3          
Liabilities          
Balance at Beginning of Period 4,939 3,821 4,258 3,115  
Balance at End of Period 5,480 3,572 5,480 3,572  
Market risk benefits liability | Level 3          
Liabilities          
Balance at Beginning of Period 459 313 403 282  
Balance at End of Period $ 603 $ 278 $ 603 $ 278