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Debt - Narrative (Details)
 3 Months Ended
Dec. 31, 2022
USD ($)
Jun. 30, 2023
USD ($)
extension
Feb. 07, 2023
USD ($)
Liquidity Facility      
Line of Credit Facility [Line Items]      
Extension period (in years) 364 days    
Line of Credit Facility, Current Borrowing Capacity   $ 2,600,000,000  
Maximum borrowing capacity   3,100,000,000  
Line of Credit Facility, Fair Value of Amount Outstanding $ 0 0 $ 1,000,000,000
Liquidity Facility | Athene Life Re Ltd.      
Line of Credit Facility [Line Items]      
Line of Credit Facility, Covenant Terms, Consolidated Net Worth Requirement, Amount   8,800,000,000  
Revolving Credit Facility      
Line of Credit Facility [Line Items]      
Line of Credit Facility, Current Borrowing Capacity   1,250,000,000  
Maximum borrowing capacity   1,750,000,000  
Line of Credit Facility, Covenant Terms, Consolidated Net Worth Requirement, Amount   14,800,000,000  
Line of Credit Facility, Fair Value of Amount Outstanding $ 0 $ 0  
Line of Credit Facility, Covenant Terms, Consolidated debt to capitalization ratio   0.35  
Syndicate Of Banks and CitiBank | Line of Credit | Revolving Credit Facility      
Line of Credit Facility [Line Items]      
Long-Term Debt, Term   5 years  
Number Of Extensions For Long-Term Debt, Term | extension   2  
Long-Term Debt, Term, Extension   1 year