v3.26.1
FAIR VALUE OF FINANCIAL INSTRUMENTS - Schedule of Fair Value Assets Measured on Recurring Basis (Details) - USD ($)
$ in Millions
 3 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Policyholders’ account balances – embedded derivative        
Liabilities        
Beginning balance $ (6,060) $ (6,414) $ (948) $ (1,123)
Acquisition from business combination 0      
Fair value changes in net income (167) 311 (242) 268
Fair value changes in other comprehensive income 0 0 0 0
Purchases 0 0 0 0
Sales 0 0 0 0
Settlements or maturities 0 0 0 0
Premiums less benefits (398) 43 (1) (93)
Transfers into Level 3 0 0 (5,066) 0
Transfers out of Level 3 0 0 0 0
Ending balance (6,625) (6,060) (6,257) (948)
Funds withheld for reinsurance liabilities – embedded derivative        
Liabilities        
Funds withheld for reinsurance liabilities – embedded derivative, beginning balance (41) (74) (55) (37)
Acquisition from business combination 0      
Fair value changes in net income 21 33 (8) (18)
Fair value changes in other comprehensive income 0 0 0 0
Purchases 0 0 0 0
Sales 0 0 0 0
Settlements or maturities 0 0 0 0
Premiums less benefits 0 0 0 0
Transfers into Level 3 0 0 0 0
Transfers out of Level 3 0 0 0 0
Funds withheld for reinsurance liabilities – embedded derivative, ending balance $ (20) $ (41) $ (63) $ (55)
Invested assets        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]        
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Asset, Gain (Loss), Statement of Other Comprehensive Income or Comprehensive Income [Extensible Enumeration] Other Comprehensive Income (Loss), Net of Tax Other Comprehensive Income (Loss), Net of Tax Other Comprehensive Income (Loss), Net of Tax Other Comprehensive Income (Loss), Net of Tax
Assets        
Beginning balance $ 9,316 $ 9,192 $ 10,809 $ 10,093
Acquisition from business combination 1,522      
Fair value changes in net income 68 68 26 (32)
Fair value changes in other comprehensive income (77) (40) (11) 20
Purchases 1,676 162 1,214 172
Sales (45) (65) (1,537) (45)
Settlements or maturities (102) (321) (138) (13)
Premiums less benefits 0 0 0 0
Transfers into Level 3 0 441 239 681
Transfers out of Level 3 (98) (121) (1,024) (67)
Ending balance 12,260 9,316 9,578 10,809
Derivative assets        
Assets        
Beginning balance 145 203 149 223
Acquisition from business combination 0      
Fair value changes in net income 71 (35) 66 (38)
Fair value changes in other comprehensive income 0 0 0 0
Purchases 43 37 34 33
Sales 0 0 0 0
Settlements or maturities (66) (60) (61) (69)
Premiums less benefits 0 0 0 0
Transfers into Level 3 0 0 0 0
Transfers out of Level 3 0 0 0 0
Ending balance 193 145 188 149
Reinsurance funds withheld – embedded derivative        
Assets        
Beginning balance 56 48 8 18
Acquisition from business combination 0      
Fair value changes in net income 0 8 (2) (10)
Fair value changes in other comprehensive income 0 0 0 0
Purchases 0 0 0 0
Sales 0 0 0 0
Settlements or maturities 0 0 0 0
Premiums less benefits 0 0 0 0
Transfers into Level 3 0 0 0 0
Transfers out of Level 3 0 0 0 0
Ending balance $ 56 $ 56 $ 6 $ 8