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Condensed Financial Information of Registrant - Notes to Condensed Financial Information (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Related Party Transaction [Line Items]      
Total revenue $ 40,650 $ 34,072 $ 31,974
Parent Company      
Related Party Transaction [Line Items]      
Total revenue 2,164 2,065 1,834
Parent Company | Affiliated Entity      
Related Party Transaction [Line Items]      
Total revenue $ 2,145 $ 2,038 $ 1,826