v3.26.1
Future Policy Benefits - Schedule of Liability for Future Policy Benefit Activity (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Dec. 31, 2024
Present value of expected future policy benefits:      
Total future policy benefits $ 54,082 $ 55,228  
Long-term care insurance      
Present value of expected net premiums:      
Beginning balance 16,480 17,315  
Beginning balance, at original discount rate 16,411 17,625  
Effect of changes in cash flow assumptions   15 $ (183)
Effect of actual variances from expected experience   14 (32)
Adjusted beginning balance   16,440 17,410
Issuances 0 1  
Interest accretion 207 874  
Net premiums collected (462) (1,874)  
Derecognition (lapses and withdrawals) 0 0  
Other 0 0  
Ending balance, at original discount rate 16,185 16,411  
Effect of changes in discount rate assumptions (164) 69  
Ending balance 16,021 16,480  
Present value of expected future policy benefits:      
Beginning balance 59,634 58,487  
Beginning balance, at original discount rate 60,539 60,587  
Effect of changes in cash flow assumptions   (2) 103
Effect of actual variances from expected experience   50 336
Adjusted beginning balance   60,587 61,026
Issuances 0 1  
Interest accretion 818 3,280  
Benefit payments (925) (3,768)  
Derecognition (lapses and withdrawals) 0 0  
Other 0 0  
Ending balance, at original discount rate 60,480 60,539  
Effect of changes in discount rate assumptions (2,083) (905)  
Ending balance 58,397 59,634  
Net liability for future policy benefits, before flooring adjustments 42,376 43,154  
Flooring adjustments 2 3  
Total future policy benefits 42,378 43,157  
Less: reinsurance recoverable 7,542 7,728  
Net liability for future policy benefits, net of reinsurance recoverable $ 34,836 $ 35,429  
Weighted-average liability duration (years) 11 years 3 months 18 days 11 years 6 months  
Life insurance      
Present value of expected net premiums:      
Beginning balance $ 3,499 $ 3,690  
Beginning balance, at original discount rate 3,396 3,640  
Effect of changes in cash flow assumptions   0 0
Effect of actual variances from expected experience   4 (41)
Adjusted beginning balance   3,400 3,599
Issuances 0 0  
Interest accretion 47 197  
Net premiums collected (99) (401)  
Derecognition (lapses and withdrawals) 0 0  
Other 0 1  
Ending balance, at original discount rate 3,348 3,396  
Effect of changes in discount rate assumptions 42 103  
Ending balance 3,390 3,499  
Present value of expected future policy benefits:      
Beginning balance 4,354 4,741  
Beginning balance, at original discount rate 4,191 4,645  
Effect of changes in cash flow assumptions   0 0
Effect of actual variances from expected experience   24 (9)
Adjusted beginning balance   4,215 4,636
Issuances 0 0  
Interest accretion 55 239  
Benefit payments (173) (683)  
Derecognition (lapses and withdrawals) 0 0  
Other 0 (1)  
Ending balance, at original discount rate 4,097 4,191  
Effect of changes in discount rate assumptions 103 163  
Ending balance 4,200 4,354  
Net liability for future policy benefits, before flooring adjustments 810 855  
Flooring adjustments 606 612  
Total future policy benefits 1,416 1,467  
Less: reinsurance recoverable 678 702  
Net liability for future policy benefits, net of reinsurance recoverable $ 738 $ 765  
Weighted-average liability duration (years) 5 years 6 months 5 years 7 months 6 days  
Fixed annuities      
Present value of expected net premiums:      
Beginning balance $ 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   0 0
Adjusted beginning balance   0 0
Issuances 9 38  
Interest accretion 0 0  
Net premiums collected (9) (38)  
Derecognition (lapses and withdrawals) 0 0  
Other 0 0  
Ending balance, at original discount rate 0 0  
Effect of changes in discount rate assumptions 0 0  
Ending balance 0 0  
Present value of expected future policy benefits:      
Beginning balance 10,437 10,695  
Beginning balance, at original discount rate 9,193 9,568  
Effect of changes in cash flow assumptions   0 (66)
Effect of actual variances from expected experience   (28) 3
Adjusted beginning balance   9,165 $ 9,505
Issuances 9 34  
Interest accretion 151 617  
Benefit payments (232) (963)  
Derecognition (lapses and withdrawals) 0 0  
Other 2 0  
Ending balance, at original discount rate 9,095 9,193  
Effect of changes in discount rate assumptions 1,032 1,244  
Ending balance 10,127 10,437  
Net liability for future policy benefits, before flooring adjustments 10,127 10,437  
Flooring adjustments 0 0  
Total future policy benefits 10,127 10,437  
Less: reinsurance recoverable 7,841 8,074  
Net liability for future policy benefits, net of reinsurance recoverable $ 2,286 $ 2,363  
Weighted-average liability duration (years) 10 years 3 months 18 days 10 years 4 months 24 days