v3.23.1
Insurance Liabilities - Summary of separate accounts (Details) - Universal Life - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Liabilities for Guarantees on Long-Duration Contracts [Line Items]    
Account value $ 3,514 $ 3,313
Net amount at risk $ 69,335 $ 65,801
Average attained age of contract holders 53 years 53 years