v3.26.1
Financing Agreements - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
May 21, 2025
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
May 01, 2023
Debt Instrument [Line Items]          
Outstanding par amount of guaranteed debentures   $ 2,500   $ 2,104  
Total fees associated with credit facilities   0 $ 0    
Business agreement processing and operation services period 10 years        
Facility Agreement, Face Amount $ 600        
Revolving Credit agreement          
Debt Instrument [Line Items]          
Outstanding borrowings   0      
Revolving Credit agreement          
Debt Instrument [Line Items]          
Maximum borrowing capacity   500      
Minimum net worth required for compliance         $ 4,998
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]          
Annual interest rate on debt   5.00%      
Outstanding par amount of guaranteed debentures   $ 396   396  
Five Point Zero Five Percent Senior Notes, Due 2036 | Senior Notes          
Debt Instrument [Line Items]          
Debt instrument face amount   $ 400      
Annual interest rate on debt   5.05%      
Outstanding par amount of guaranteed debentures   $ 395   0  
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   139  
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   $ 79  
Voya Holdings Debentures | Aetna Notes          
Debt Instrument [Line Items]          
Amount of collateral for credit facility   231      
Voya Holdings Debentures | Debentures          
Debt Instrument [Line Items]          
Outstanding par amount of guaranteed debentures   $ 218      
Pre-Capitalized Trust | Senior Notes          
Debt Instrument [Line Items]          
Annual interest rate on debt 6.012%        
Short-term Debt | Revolving Credit agreement          
Debt Instrument [Line Items]          
Maximum borrowing capacity         $ 25