v3.26.1
FUTURE POLICY BENEFITS - Schedule of Changes in Liability for Future Policy Benefits (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Apr. 01, 2026
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Present value of expected future policy benefits              
Total future policy benefits   $ 53,020   $ 53,020   $ 16,249  
Just Group plc              
Present value of expected future policy benefits              
Effective settlement of a pre-existing relationship $ (1,277)            
Just Group plc | Consolidation, Eliminations              
Present value of expected future policy benefits              
Effective settlement of a pre-existing relationship $ (1,200)            
Future Policy Benefits              
Present value of expected net premiums:              
Balance, beginning of period       2,183 $ 2,353    
Beginning balance at original discount rate       2,302 2,507    
Effect of changes in cash flow assumptions           (17) $ 65
Effect of actual variances from expected experience           (5) (56)
Adjusted beginning of period balance           2,280 2,516
Issuances       1,191 747    
Interest accrual       50 53    
Net premiums collected       (1,346) (897)    
Derecognitions (lapses and withdrawals)       3 3    
Ending balance at original discount rate   2,178 $ 2,422 2,178 2,422    
Effect of changes in discount rate assumptions   (107) (114) (107) (114)    
Balance, end of period   2,071 2,308 2,071 2,308    
Present value of expected future policy benefits              
Balance, beginning of period       16,377 14,456    
Beginning balance at original discount rate       16,884 15,119    
Effect of changes in cash flow assumptions           (196) 92
Effect of actual variances from expected experience           (109) (99)
Adjusted beginning of period balance           16,579 15,112
Acquisition from business combination, net       35,374      
Issuances       1,238 750    
Interest accrual       883 327    
Benefit payments       (1,509) (589)    
Derecognitions (lapses and withdrawals)       9 28    
Foreign currency translation       (118) 384    
Ending balance at original discount rate   52,456 16,012 52,456 16,012    
Effect of changes in discount rate assumptions   44 (522) 44 (522)    
Effect of foreign currency translation on the effect of changes in discount rate assumptions   (24)   (24)      
Balance, end of period   52,524 15,490 52,524 15,490    
Total future policy benefits   50,453 13,182 50,453 13,182    
Less: Reinsurance recoverables   (1,184) (1,323) (1,184) (1,323)    
Net liability for future policy benefits, after reinsurance recoverables   49,269 11,859 49,269 11,859    
Liability remeasurement gains (losses)   (35) (11) (60) (31)    
Future Policy Benefits | Annuities              
Present value of expected net premiums:              
Balance, beginning of period       0 0    
Beginning balance at original discount rate       0 0    
Effect of changes in cash flow assumptions           0 0
Effect of actual variances from expected experience           2 (1)
Adjusted beginning of period balance           2 (1)
Issuances       1,179 742    
Interest accrual       4 5    
Net premiums collected       (1,188) (749)    
Derecognitions (lapses and withdrawals)       3 3    
Ending balance at original discount rate   0 0 0 0    
Effect of changes in discount rate assumptions   0 0 0 0    
Balance, end of period   0 0 0 0    
Present value of expected future policy benefits              
Balance, beginning of period       12,277 10,287    
Beginning balance at original discount rate       12,425 10,518    
Effect of changes in cash flow assumptions           (143) 15
Effect of actual variances from expected experience           (120) (43)
Adjusted beginning of period balance           12,162 10,490
Acquisition from business combination, net       35,374      
Issuances       1,226 745    
Interest accrual       793 238    
Benefit payments       (1,332) (436)    
Derecognitions (lapses and withdrawals)       9 28    
Foreign currency translation       (118) 384    
Ending balance at original discount rate   48,114 11,449 48,114 11,449    
Effect of changes in discount rate assumptions   381 (162) 381 (162)    
Effect of foreign currency translation on the effect of changes in discount rate assumptions   (24)   (24)      
Balance, end of period   48,519 11,287 48,519 11,287    
Total future policy benefits   48,519 11,287 48,519 11,287    
Less: Reinsurance recoverables   82 (12) 82 (12)    
Net liability for future policy benefits, after reinsurance recoverables   $ 48,601 $ 11,275 $ 48,601 $ 11,275    
Weighted average liability duration of future policy benefits (years)   9 years 7 years 9 years 7 years    
Weighted average interest accretion rate   6.00% 5.00% 6.00% 5.00%    
Weighted average current discount rate   6.00% 5.00% 6.00% 5.00%    
Future Policy Benefits | Life Insurance              
Present value of expected net premiums:              
Balance, beginning of period       $ 2,183 $ 2,353    
Beginning balance at original discount rate       2,302 2,507    
Effect of changes in cash flow assumptions           (17) 65
Effect of actual variances from expected experience           (7) (55)
Adjusted beginning of period balance           2,278 2,517
Issuances       12 5    
Interest accrual       46 48    
Net premiums collected       (158) (148)    
Derecognitions (lapses and withdrawals)       0 0    
Ending balance at original discount rate   $ 2,178 $ 2,422 2,178 2,422    
Effect of changes in discount rate assumptions   (107) (114) (107) (114)    
Balance, end of period   2,071 2,308 2,071 2,308    
Present value of expected future policy benefits              
Balance, beginning of period       4,100 4,169    
Beginning balance at original discount rate       4,459 4,601    
Effect of changes in cash flow assumptions           (53) 77
Effect of actual variances from expected experience           11 (56)
Adjusted beginning of period balance           $ 4,417 $ 4,622
Acquisition from business combination, net       0      
Issuances       12 5    
Interest accrual       90 89    
Benefit payments       (177) (153)    
Derecognitions (lapses and withdrawals)       0 0    
Foreign currency translation       0 0    
Ending balance at original discount rate   4,342 4,563 4,342 4,563    
Effect of changes in discount rate assumptions   (337) (360) (337) (360)    
Effect of foreign currency translation on the effect of changes in discount rate assumptions   0   0      
Balance, end of period   4,005 4,203 4,005 4,203    
Total future policy benefits   1,934 1,895 1,934 1,895    
Less: Reinsurance recoverables   (1,266) (1,311) (1,266) (1,311)    
Net liability for future policy benefits, after reinsurance recoverables   $ 668 $ 584 $ 668 $ 584    
Weighted average liability duration of future policy benefits (years)   13 years 14 years 13 years 14 years    
Weighted average interest accretion rate   5.00% 5.00% 5.00% 5.00%    
Weighted average current discount rate   6.00% 6.00% 6.00% 6.00%