v3.26.1
Long-duration Contracts - Schedule of Reconciliation of Interest Sensitive Contract Liabilities (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Mar. 31, 2025
Liability for Future Policy Benefit, Activity [Line Items]    
Interest sensitive contract liabilities $ 326,502 $ 273,439
Traditional deferred annuities    
Liability for Future Policy Benefit, Activity [Line Items]    
Interest sensitive contract liabilities 114,763 96,697
Indexed annuities    
Liability for Future Policy Benefit, Activity [Line Items]    
Interest sensitive contract liabilities 106,336 99,429
Funding agreements    
Liability for Future Policy Benefit, Activity [Line Items]    
Interest sensitive contract liabilities 90,737 63,819
Other investment-type    
Liability for Future Policy Benefit, Activity [Line Items]    
Interest sensitive contract liabilities 9,425 8,318
Reconciling items    
Liability for Future Policy Benefit, Activity [Line Items]    
Interest sensitive contract liabilities $ 5,241 $ 5,176