v3.24.1.u1
Related Parties - Related party transactions with blackstone (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Related Party Transaction [Line Items]    
Investment expenses $ 175 $ 161
Related Party    
Related Party Transaction [Line Items]    
Investment expenses $ 51 $ 35