v3.26.1
Future Policy Benefits - Schedule of separate accounts (Details) - Universal Life - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Liabilities for Guarantees on Long-Duration Contracts [Line Items]    
Account value $ 4,414 $ 4,089
Net amount at risk $ 79,318 $ 77,186
Average attained age of contract holders 54 years 54 years