v3.26.3
INSURANCE LIABILITIES AND ANNUITY BENEFITS - Changes in Future Policy Benefit Reserves (Details) - USD ($)
$ in Millions
 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Present value of expected future policy benefits        
Net future policy benefit reserves $ 32,785   $ 35,438  
Long-term care        
Present value of expected net premiums        
Balance, beginning of year 4,426 $ 4,144    
Beginning balance at locked-in discount rate 4,140 3,991    
Effect of changes in cash flow assumptions     54 $ 257
Effect of actual variances from expected experience     (37) (3)
Adjusted beginning of year balance     4,157 4,244
Interest accrual 169 164    
Net premiums collected (303) (299)    
Effect of foreign currency 0 0    
Ending balance at locked-in discount rate 4,024 4,110    
Effect of changes in discount rate assumptions 7 278    
Balance, end of period 4,031 4,388    
Present value of expected future policy benefits        
Balance, beginning of year 30,218 28,820    
Beginning balance at locked-in discount rate 27,976 27,448    
Effect of changes in cash flow assumptions     276 308
Effect of actual variances from expected experience     86 142
Adjusted beginning of year balance     28,339 27,898
Interest accrual 1,160 1,129    
Benefit payments (1,203) (1,130)    
Effect of foreign currency 0 0    
Ending balance at locked-in discount rate 28,295 27,897    
Effect of changes in discount rate assumptions (214) 2,291    
Balance, end of period 28,081 30,188    
Net future policy benefit reserves 24,050 25,801 25,792  
Less: Reinsurance recoverables, net of allowance for credit losses (148) (157)    
Net future policy benefit reserves, after reinsurance recoverables $ 23,902 $ 25,644    
Weighted-average duration of liability (years) 10 years 3 months 18 days 11 years 3 months 18 days    
Weighted-average interest accretion rate 5.60% 5.60%    
Current discount rate 6.10% 5.30%    
Gross premiums or assessments recognized during period $ 338 $ 343    
Expected future gross premiums, undiscounted 7,326 7,499    
Expected future gross premiums, discounted 4,465 4,813    
Expected future benefit payments, undiscounted 60,512 61,497    
Expected future benefit payments, discounted 28,081 30,188    
Structured settlement annuities        
Present value of expected net premiums        
Balance, beginning of year 0 0    
Beginning balance at locked-in discount rate 0 0    
Effect of changes in cash flow assumptions     0 0
Effect of actual variances from expected experience     0 0
Adjusted beginning of year balance     0 0
Interest accrual 0 0    
Net premiums collected 0 0    
Effect of foreign currency 0 0    
Ending balance at locked-in discount rate 0 0    
Effect of changes in discount rate assumptions 0 0    
Balance, end of period 0 0    
Present value of expected future policy benefits        
Balance, beginning of year 8,383 8,426    
Beginning balance at locked-in discount rate 8,048 8,301    
Effect of changes in cash flow assumptions     0 (37)
Effect of actual variances from expected experience     (5) 6
Adjusted beginning of year balance     8,043 8,270
Interest accrual 316 323    
Benefit payments (473) (486)    
Effect of foreign currency 0 0    
Ending balance at locked-in discount rate 7,886 8,107    
Effect of changes in discount rate assumptions (316) 360    
Balance, end of period 7,570 8,467    
Net future policy benefit reserves 7,570 8,467 8,383  
Less: Reinsurance recoverables, net of allowance for credit losses 0 0    
Net future policy benefit reserves, after reinsurance recoverables $ 7,570 $ 8,467    
Weighted-average duration of liability (years) 9 years 6 months 10 years 2 months 12 days    
Weighted-average interest accretion rate 5.40% 5.40%    
Current discount rate 6.10% 5.30%    
Gross premiums or assessments recognized during period $ 0 $ 0    
Expected future gross premiums, undiscounted 0 0    
Expected future gross premiums, discounted 0 0    
Expected future benefit payments, undiscounted 17,332 17,961    
Expected future benefit payments, discounted 7,570 8,467    
Life        
Present value of expected net premiums        
Balance, beginning of year 1,833 4,318    
Beginning balance at locked-in discount rate 1,714 4,415    
Effect of changes in cash flow assumptions     0 4
Effect of actual variances from expected experience     (23) (2,343)
Adjusted beginning of year balance     1,691 2,076
Interest accrual 69 138    
Net premiums collected (145) (223)    
Effect of foreign currency (2) 108    
Ending balance at locked-in discount rate 1,614 2,099    
Effect of changes in discount rate assumptions 7 87    
Balance, end of period 1,621 2,186    
Present value of expected future policy benefits        
Balance, beginning of year 2,739 5,336    
Beginning balance at locked-in discount rate 2,582 5,411    
Effect of changes in cash flow assumptions     (6) 43
Effect of actual variances from expected experience     11 (2,381)
Adjusted beginning of year balance     2,586 $ 3,074
Interest accrual 97 167    
Benefit payments (230) (319)    
Effect of foreign currency (5) 113    
Ending balance at locked-in discount rate 2,448 3,035    
Effect of changes in discount rate assumptions 7 127    
Balance, end of period 2,455 3,161    
Net future policy benefit reserves 834 976 $ 906  
Less: Reinsurance recoverables, net of allowance for credit losses (141) (179)    
Net future policy benefit reserves, after reinsurance recoverables $ 692 $ 797    
Weighted-average duration of liability (years) 5 years 9 months 18 days 6 years    
Weighted-average interest accretion rate 5.40% 5.30%    
Current discount rate 5.70% 4.90%    
Gross premiums or assessments recognized during period $ 153 $ 249    
Expected future gross premiums, undiscounted 2,915 4,468    
Expected future gross premiums, discounted 1,720 2,452    
Expected future benefit payments, undiscounted 3,841 5,091    
Expected future benefit payments, discounted $ 2,455 $ 3,161