v3.25.2
Financing Agreements - Narrative (Details) - USD ($)
6 Months Ended
May 21, 2025
Mar. 17, 2015
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
May 01, 2023
Debt Instrument [Line Items]            
Outstanding par amount of guaranteed debentures     $ 2,104,000,000   $ 2,502,000,000  
Total fees associated with credit facilities     0 $ 0    
Business agreement processing and operation services period 10 years 10 years        
Put option face amount   $ 500,000,000 100,000,000      
Facility Agreement, Face Amount $ 600,000,000          
Revolving Credit agreement            
Debt Instrument [Line Items]            
Outstanding borrowings     0      
Revolving Credit agreement            
Debt Instrument [Line Items]            
Maximum borrowing capacity     500,000,000      
Minimum net worth required for compliance           $ 4,998,000,000
Senior Notes            
Debt Instrument [Line Items]            
Annual interest rate on debt 1.518%          
Revolving Credit agreement            
Debt Instrument [Line Items]            
Amount of letters of credit outstanding     0      
Outstanding borrowings     0      
5.0% Senior Notes, due 2034 | Senior Notes            
Debt Instrument [Line Items]            
Debt instrument face amount     $ 400,000,000      
Annual interest rate on debt     5.00%      
Net proceeds     $ 397,000,000      
Outstanding par amount of guaranteed debentures     396,000,000   395,000,000  
3.976% Senior Notes, Due 2025 | Senior Notes            
Debt Instrument [Line Items]            
Debt instrument face amount     $ 400,000,000      
Annual interest rate on debt     3.976%      
Outstanding par amount of guaranteed debentures     $ 0   399,000,000  
7.63% Voya Holdings Inc. debentures, due 2026 | Debentures            
Debt Instrument [Line Items]            
Annual interest rate on debt     7.625%      
Outstanding par amount of guaranteed debentures     $ 139,000,000   139,000,000  
6.97% Voya Holdings Inc. debentures, due 2036 | Debentures            
Debt Instrument [Line Items]            
Annual interest rate on debt     6.97%      
Outstanding par amount of guaranteed debentures     $ 79,000,000   $ 79,000,000  
Voya Holdings Debentures | Aetna Notes            
Debt Instrument [Line Items]            
Amount of collateral for credit facility     224,000,000      
Voya Holdings Debentures | Debentures            
Debt Instrument [Line Items]            
Outstanding par amount of guaranteed debentures     $ 218,000,000      
Pre-Capitalized Trust | Senior Notes            
Debt Instrument [Line Items]            
Annual interest rate on debt 6.012% 3.976%        
Short-term Debt | Revolving Credit agreement            
Debt Instrument [Line Items]            
Maximum borrowing capacity           $ 25,000,000