v3.26.1
Debt - Narrative (Details)
3 Months Ended
Jun. 27, 2025
USD ($)
Jun. 30, 2023
USD ($)
extension
Mar. 31, 2026
USD ($)
Mar. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Nov. 21, 2024
USD ($)
Senior Secured Notes | Retirement Services            
Debt Instrument [Line Items]            
Debt instrument, redemption price (as percent)     100.00%      
5.70% 2036 Senior Notes | Senior Secured Notes | Asset Management            
Debt Instrument [Line Items]            
Aggregate principal amount       $ 750,000,000    
Interest rate (as percent)     5.70% 5.70% 5.70%  
7.25% 2064 Subordinated Notes | Subordinated Notes | Retirement Services            
Debt Instrument [Line Items]            
Interest rate (as percent)     7.25%   7.25%  
Debt instrument, deferred interest payment, period (in years)     5 years      
AGM Credit Facility | Line of Credit | Asset Management | Revolving Credit Facility            
Debt Instrument [Line Items]            
Line of credit facility, maximum borrowing capacity     $ 1,250,000,000     $ 1,250,000,000
Amount outstanding     0   $ 0  
Line of credit facility, maximum borrowing capacity including potential increases     1,500,000,000      
AMH Credit Facility | Line of Credit | Asset Management | Revolving Credit Facility            
Debt Instrument [Line Items]            
Incremental facilities, maximum amount     $ 250,000,000      
Maximum leverage ratio     4.00      
AHL Credit Facility | Line of Credit | Retirement Services | Revolving Credit Facility            
Debt Instrument [Line Items]            
Line of credit facility, maximum borrowing capacity   $ 1,250,000,000 $ 1,250,000,000      
Amount outstanding     0   0  
Debt instrument, term (in years)   5 years        
Number of extensions | extension   2        
Renewal term of credit facility (in years)   1 year        
Line of credit facility, maximum borrowing capacity including potential increases   $ 1,750,000,000 1,750,000,000      
Capitalization ratio (as percent)   35.00%        
Minimum consolidated net worth   $ 14,800,000,000        
AHL Liquidity Facility | Line of Credit | Retirement Services | Revolving Credit Facility            
Debt Instrument [Line Items]            
Line of credit facility, maximum borrowing capacity $ 2,600,000,000   2,600,000,000      
Amount outstanding     0   $ 0  
Renewal term of credit facility (in years) 364 days          
Line of credit facility, maximum borrowing capacity including potential increases $ 3,100,000,000   $ 3,100,000,000      
Minimum consolidated net worth $ 23,200,000,000          
Conversion term (in years) 1 year