v3.25.3
Related Parties - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 02, 2025
Jul. 03, 2025
Sep. 30, 2024
Sep. 30, 2025
Dec. 31, 2024
Jan. 01, 2022
Related Party Transaction [Line Items]            
Performance allocations       $ 3,595.0 $ 3,274.0  
AFS securities       $ 218,684.0 184,167.0  
Athene            
Related Party Transaction [Line Items]            
Related party transaction, amounts of transaction     $ 1,100.0      
Athora Holding Ltd. (Athora)            
Related Party Transaction [Line Items]            
Conditional commitment to invest   $ 2,000.0        
Related party transaction, term (in days)       30 days    
Right of refusal to reinsure as a percentage of liabilities ceded       50.00%    
Right of refusal to reinsure liabilities ceded from a third party (as percent)       20.00%    
Limitation of third party liabilities as a percentage of athora's liabilities       20.00%    
Funding agreements, limitation as a percentage of fair market value of total assets       3.00%    
Atlas | Athene            
Related Party Transaction [Line Items]            
Purchases from related party         724.0  
ADIP | Athene            
Related Party Transaction [Line Items]            
Purchases from related party       $ 236.0 238.0  
Related Party            
Related Party Transaction [Line Items]            
Performance allocations       201.0 213.0  
AFS securities       24,663.0 18,803.0  
Related Party | Atlas | Athene            
Related Party Transaction [Line Items]            
Equity commitments outstanding       4,600.0 3,200.0  
Related Party | Venerable Insurance and Annuity Company | Athene            
Related Party Transaction [Line Items]            
Equity commitments outstanding       140.0 106.0  
AFS securities       106.0 0.0  
Related Party | Wheels, Inc. | Athene            
Related Party Transaction [Line Items]            
Equity commitments outstanding       37.0    
AFS securities       1,000.0 1,000.0  
Related Party | ADIP | Athene            
Related Party Transaction [Line Items]            
Equity commitments outstanding       $ 320.0    
Subsidiaries | ALRe | ACRA 1A            
Related Party Transaction [Line Items]            
Economic ownership (as percent)       37.00%    
Subsidiaries | ALRe | ACRA 2            
Related Party Transaction [Line Items]            
Economic ownership (as percent)       37.00%    
Subsidiaries | Apollo/Athene Dedicated Investment Programs            
Related Party Transaction [Line Items]            
Economic interest, remaining ownership (as percent)       63.00%    
Subsidiaries | Apollo/Athene Dedicated Investment Programs | ACRA 2            
Related Party Transaction [Line Items]            
Economic ownership (as percent)       63.00%    
Tax Receivable Agreement            
Related Party Transaction [Line Items]            
Cash tax savings (as percent)           15.00%
Tax Receivable Agreement | Related Party            
Related Party Transaction [Line Items]            
Cash tax savings (as percent)           85.00%
Tax Receivable Agreement | Related Party | Bridge Investment Group Holdings Inc            
Related Party Transaction [Line Items]            
Tax receivable agreement liability $ 366.0          
Employee Loans | Due from Employees and Former Employees            
Related Party Transaction [Line Items]            
Due from related parties       $ 8.0 4.0  
Employee Loans, Profit Sharing Distributions | Due from Employees and Former Employees            
Related Party Transaction [Line Items]            
Due from related parties       92.0 94.0  
Indemnification Liability | Related Party            
Related Party Transaction [Line Items]            
Due from related parties       0.4 0.4  
Equity Commitments | Related Party            
Related Party Transaction [Line Items]            
Equity commitments outstanding       82.0    
Funding Agreements | Related Party | Athora Holding Ltd. (Athora) | Athene            
Related Party Transaction [Line Items]            
Equity commitments outstanding       65.0 57.0  
Additional Investments | Related Party | Athora Holding Ltd. (Athora) | Athene            
Related Party Transaction [Line Items]            
Equity commitments outstanding       2,700.0    
Additional Investments | Related Party | Atlas | Athene            
Related Party Transaction [Line Items]            
Equity commitments outstanding       1,400.0    
Additional Investments | Related Party | Skylign Aviation Holdings, LP | Athene            
Related Party Transaction [Line Items]            
Equity commitments outstanding       159.0    
Reinsurance Agreement | Related Party | Catalina | Athene            
Related Party Transaction [Line Items]            
Equity commitments outstanding       136.0 221.0  
Reinsurance recoverable       5,900.0 4,300.0  
Skylign Senior Notes | Skylign Aviation Holdings, LP | Athene            
Related Party Transaction [Line Items]            
Purchases from related party       $ 1,400.0 $ 1,600.0