v3.26.1
Shareholders' Equity - OCI Components (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Pretax    
Total other comprehensive income (loss) $ (396) $ 487
Income Tax Benefit (Expense)    
Total other comprehensive income (loss) 83 (98)
Net of Tax    
Arising during the period (311) 393
Reclassification to net income (2) (4)
Total other comprehensive income (loss), net of tax (313) 389
Net unrealized gains (losses) on securities    
Pretax    
Total other comprehensive income (loss) (489) 482
Income Tax Benefit (Expense)    
Total other comprehensive income (loss) 107 (108)
Net of Tax    
Arising during the period (380) 378
Reclassification to net income (2) (4)
Total other comprehensive income (loss), net of tax (382) 374
Net unrealized gains (losses) on securities arising during the period    
Pretax    
Arising during the period (492) 491
Income Tax Benefit (Expense)    
Arising during the period 107 (110)
Net of Tax    
Arising during the period (385) 381
Reclassification of net (gains) losses on securities included in net income    
Pretax    
Reclassification to net income (3) (5)
Income Tax Benefit (Expense)    
Reclassification to net income 1 1
Net of Tax    
Reclassification to net income (2) (4)
Impact of benefit reserves and reinsurance recoverables    
Pretax    
Arising during the period 6 (4)
Income Tax Benefit (Expense)    
Arising during the period (1) 1
Net of Tax    
Arising during the period 5 (3)
Net unrealized gains (losses) on derivatives    
Pretax    
Arising during the period 0 (10)
Total other comprehensive income (loss) 0 (10)
Income Tax Benefit (Expense)    
Arising during the period 0 2
Total other comprehensive income (loss) 0 2
Net of Tax    
Arising during the period 0 (8)
Reclassification to net income 0 0
Total other comprehensive income (loss), net of tax 0 (8)
Effect of changes in discount rate assumptions on certain long-duration contracts    
Pretax    
Total other comprehensive income (loss) 83 (38)
Income Tax Benefit (Expense)    
Total other comprehensive income (loss) (18) 8
Net of Tax    
Arising during the period 65 (30)
Reclassification to net income 0 0
Total other comprehensive income (loss), net of tax 65 (30)
Effect of changes in instrument-specific credit risk on MRBs    
Pretax    
Total other comprehensive income (loss) 38 1
Income Tax Benefit (Expense)    
Total other comprehensive income (loss) (8) 0
Net of Tax    
Arising during the period 30 1
Reclassification to net income 0 0
Total other comprehensive income (loss), net of tax 30 1
Foreign currency translation    
Pretax    
Total other comprehensive income (loss) (28) 52
Income Tax Benefit (Expense)    
Total other comprehensive income (loss) 2 0
Net of Tax    
Arising during the period (26) 52
Reclassification to net income 0 0
Total other comprehensive income (loss), net of tax $ (26) $ 52