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Deferred Policy Acquisition Costs - Narrative (Details) - USD ($)
$ in Millions
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Summary of Significant Accounting Policies [Line Items]        
Deferred acquisition cost $ 13,087 $ 7,949 $ 7,241 $ 7,939
2023 12      
2024 10      
2025 10      
2026 8      
2027 6      
Thereafter 46      
Investment Oriented Contracts        
Summary of Significant Accounting Policies [Line Items]        
Deferred acquisition cost $ 11,000 $ 5,800