v3.26.1
Fair Value of Financial Instruments - Schedule of Carrying Amounts of Assets and Liabilities at Estimated Fair Value Measured on a Recurring Basis (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Assets    
Fixed maturity securities, at fair value under fair value option $ 54,407 $ 54,561
Fixed maturity securities, at fair value under fair value option 93 0
Derivative investments 898 1,156
Market risk benefits asset 308 285
Total financial assets at fair value 2,202 1,933
Derivatives:    
Market risk benefits liability 968 903
Level 1    
Assets    
Cash and cash equivalents 2,467 2,636
Fixed maturity securities, at fair value under fair value option 93  
Derivative investments 2 0
Investments in unconsolidated affiliates 0 0
Short term investments 1,516 1,764
Indexed annuities/IUL ceded embedded derivatives, included in Reinsurance recoverable 0 0
Loan receivable, included in Prepaid expenses and other assets 0 0
Market risk benefits asset 0 0
Total financial assets at fair value 5,729 6,136
Derivatives:    
Contingent consideration, included in Accounts payable and accrued liabilities 0 0
Market risk benefits liability 0 0
Total financial liabilities at fair value 0 1
Level 2    
Assets    
Cash and cash equivalents 0 0
Fixed maturity securities, at fair value under fair value option 0  
Derivative investments 889 1,156
Investments in unconsolidated affiliates 0 0
Short term investments 65 82
Indexed annuities/IUL ceded embedded derivatives, included in Reinsurance recoverable 0 0
Loan receivable, included in Prepaid expenses and other assets 0 0
Market risk benefits asset 0 0
Total financial assets at fair value 41,027 41,896
Derivatives:    
Contingent consideration, included in Accounts payable and accrued liabilities 0 0
Market risk benefits liability 0 0
Total financial liabilities at fair value   78
Total financial liabilities at fair value (116)  
Level 3    
Assets    
Cash and cash equivalents 0 0
Fixed maturity securities, at fair value under fair value option 0  
Derivative investments 7 0
Investments in unconsolidated affiliates 260 270
Short term investments 74 74
Indexed annuities/IUL ceded embedded derivatives, included in Reinsurance recoverable 630 399
Loan receivable, included in Prepaid expenses and other assets 24 24
Market risk benefits asset 308 285
Total financial assets at fair value 15,218 14,530
Derivatives:    
Contingent consideration, included in Accounts payable and accrued liabilities 61 72
Market risk benefits liability 968 903
Total financial liabilities at fair value 7,411 7,526
NAV    
Assets    
Total financial assets at fair value 35 35
Fair Value    
Assets    
Cash and cash equivalents 2,467 2,636
Fixed maturity securities, at fair value under fair value option 93  
Derivative investments 898 1,156
Investments in unconsolidated affiliates 260 270
Short term investments 1,655 1,920
Indexed annuities/IUL ceded embedded derivatives, included in Reinsurance recoverable 630 399
Loan receivable, included in Prepaid expenses and other assets 24 24
Market risk benefits asset 308 285
Total financial assets at fair value 62,009 62,597
Derivatives:    
Contingent consideration, included in Accounts payable and accrued liabilities 61 72
Market risk benefits liability 968 903
Total financial liabilities at fair value 7,295 7,605
Indexed annuities/indexed universal life insurance ("IUL") embedded derivatives, included in Contractholder funds | Level 1    
Derivatives:    
Derivative liability 0 0
Indexed annuities/indexed universal life insurance ("IUL") embedded derivatives, included in Contractholder funds | Level 2    
Derivatives:    
Derivative liability 0 0
Indexed annuities/indexed universal life insurance ("IUL") embedded derivatives, included in Contractholder funds | Level 3    
Derivatives:    
Derivative liability 6,380 6,542
Indexed annuities/indexed universal life insurance ("IUL") embedded derivatives, included in Contractholder funds | Fair Value    
Derivatives:    
Derivative liability 6,380 6,542
Interest rate and foreign currency swaps, included in Accounts payable and accrued liabilities | Level 1    
Derivatives:    
Derivative liability 0 0
Interest rate and foreign currency swaps, included in Accounts payable and accrued liabilities | Level 2    
Derivatives:    
Derivative liability 6 3
Interest rate and foreign currency swaps, included in Accounts payable and accrued liabilities | Level 3    
Derivatives:    
Derivative liability 2 9
Interest rate and foreign currency swaps, included in Accounts payable and accrued liabilities | Fair Value    
Derivatives:    
Derivative liability 8 12
Equity options | Level 1    
Derivatives:    
Derivative liability   1
Equity options | Level 2    
Derivatives:    
Derivative liability   0
Equity options | Level 3    
Derivatives:    
Derivative liability   0
Equity options | Fair Value    
Derivatives:    
Derivative liability   1
Reinsurance related embedded derivatives, included in Funds withheld for reinsurance liabilities | Level 1    
Derivatives:    
Derivative liability 0 0
Reinsurance related embedded derivatives, included in Funds withheld for reinsurance liabilities | Level 2    
Derivatives:    
Derivative liability (122) 75
Reinsurance related embedded derivatives, included in Funds withheld for reinsurance liabilities | Level 3    
Derivatives:    
Derivative liability 0 0
Reinsurance related embedded derivatives, included in Funds withheld for reinsurance liabilities | Fair Value    
Derivatives:    
Derivative liability (122) 75
Asset-backed securities ("ABS")    
Assets    
Fixed maturity securities, at fair value under fair value option 18,605 18,738
Asset-backed securities ("ABS") | Level 1    
Assets    
Fixed maturity securities, at fair value under fair value option 0 0
Asset-backed securities ("ABS") | Level 2    
Assets    
Fixed maturity securities, at fair value under fair value option 8,324 8,644
Asset-backed securities ("ABS") | Level 3    
Assets    
Fixed maturity securities, at fair value under fair value option 10,281 10,094
Asset-backed securities ("ABS") | Fair Value    
Assets    
Fixed maturity securities, at fair value under fair value option 18,605 18,738
Commercial mortgage-backed securities    
Assets    
Fixed maturity securities, at fair value under fair value option 4,997 5,199
Commercial mortgage-backed securities | Level 1    
Assets    
Fixed maturity securities, at fair value under fair value option 0 0
Commercial mortgage-backed securities | Level 2    
Assets    
Fixed maturity securities, at fair value under fair value option 4,997 5,200
Commercial mortgage-backed securities | Level 3    
Assets    
Fixed maturity securities, at fair value under fair value option 0 0
Commercial mortgage-backed securities | Fair Value    
Assets    
Fixed maturity securities, at fair value under fair value option 4,997 5,200
Corporates    
Assets    
Fixed maturity securities, at fair value under fair value option 24,826 24,447
Corporates | Level 1    
Assets    
Fixed maturity securities, at fair value under fair value option 39 40
Corporates | Level 2    
Assets    
Fixed maturity securities, at fair value under fair value option 21,405 21,263
Corporates | Level 3    
Assets    
Fixed maturity securities, at fair value under fair value option 3,382 3,145
Corporates | Fair Value    
Assets    
Fixed maturity securities, at fair value under fair value option 24,826 24,448
Hybrids    
Assets    
Fixed maturity securities, at fair value under fair value option 619 609
Hybrids | Level 1    
Assets    
Fixed maturity securities, at fair value under fair value option 34 36
Hybrids | Level 2    
Assets    
Fixed maturity securities, at fair value under fair value option 571 558
Hybrids | Level 3    
Assets    
Fixed maturity securities, at fair value under fair value option 14 15
Hybrids | Fair Value    
Assets    
Fixed maturity securities, at fair value under fair value option 619 609
Municipals    
Assets    
Fixed maturity securities, at fair value under fair value option 1,367 1,393
Municipals | Level 1    
Assets    
Fixed maturity securities, at fair value under fair value option 0 0
Municipals | Level 2    
Assets    
Fixed maturity securities, at fair value under fair value option 1,364 1,390
Municipals | Level 3    
Assets    
Fixed maturity securities, at fair value under fair value option 3 3
Municipals | Fair Value    
Assets    
Fixed maturity securities, at fair value under fair value option 1,367 1,393
Residential mortgage-backed securities    
Assets    
Fixed maturity securities, at fair value under fair value option 2,658 2,851
Residential mortgage-backed securities | Level 1    
Assets    
Fixed maturity securities, at fair value under fair value option 0 0
Residential mortgage-backed securities | Level 2    
Assets    
Fixed maturity securities, at fair value under fair value option 2,655 2,848
Residential mortgage-backed securities | Level 3    
Assets    
Fixed maturity securities, at fair value under fair value option 3 3
Residential mortgage-backed securities | Fair Value    
Assets    
Fixed maturity securities, at fair value under fair value option 2,658 2,851
U.S. Government    
Assets    
Fixed maturity securities, at fair value under fair value option 965 956
U.S. Government | Level 1    
Assets    
Fixed maturity securities, at fair value under fair value option 950 938
U.S. Government | Level 2    
Assets    
Fixed maturity securities, at fair value under fair value option 15 15
U.S. Government | Level 3    
Assets    
Fixed maturity securities, at fair value under fair value option 0 0
U.S. Government | Fair Value    
Assets    
Fixed maturity securities, at fair value under fair value option 965 953
Foreign Governments    
Assets    
Fixed maturity securities, at fair value under fair value option 370 368
Foreign Governments | Level 1    
Assets    
Fixed maturity securities, at fair value under fair value option 105 107
Foreign Governments | Level 2    
Assets    
Fixed maturity securities, at fair value under fair value option 242 238
Foreign Governments | Level 3    
Assets    
Fixed maturity securities, at fair value under fair value option 23 23
Foreign Governments | Fair Value    
Assets    
Fixed maturity securities, at fair value under fair value option 370 368
Preferred equity securities    
Assets    
Preferred and common equity securities 432 436
Preferred equity securities | Level 1    
Assets    
Preferred and common equity securities 170 174
Preferred equity securities | Level 2    
Assets    
Preferred and common equity securities 254 254
Preferred equity securities | Level 3    
Assets    
Preferred and common equity securities 8 8
Preferred equity securities | Fair Value    
Assets    
Preferred and common equity securities 432 436
Common equity securities | Level 1    
Assets    
Preferred and common equity securities 353 441
Common equity securities | Level 2    
Assets    
Preferred and common equity securities 0 0
Common equity securities | Level 3    
Assets    
Preferred and common equity securities 22 17
Common equity securities | NAV    
Assets    
Preferred and common equity securities 35 35
Common equity securities | Fair Value    
Assets    
Preferred and common equity securities 410 493
Other long-term investments | Level 1    
Assets    
Other long-term investments/Mortgage servicing rights ("MSRs") 0 0
Other long-term investments | Level 2    
Assets    
Other long-term investments/Mortgage servicing rights ("MSRs") 246 248
Other long-term investments | Level 3    
Assets    
Other long-term investments/Mortgage servicing rights ("MSRs") 39 41
Other long-term investments | Fair Value    
Assets    
Other long-term investments/Mortgage servicing rights ("MSRs") 285 289
Mortgage servicing rights ("MSRs") | Level 1    
Assets    
Other long-term investments/Mortgage servicing rights ("MSRs") 0 0
Mortgage servicing rights ("MSRs") | Level 2    
Assets    
Other long-term investments/Mortgage servicing rights ("MSRs") 0 0
Mortgage servicing rights ("MSRs") | Level 3    
Assets    
Other long-term investments/Mortgage servicing rights ("MSRs") 140 129
Mortgage servicing rights ("MSRs") | Fair Value    
Assets    
Other long-term investments/Mortgage servicing rights ("MSRs") $ 140 $ 129