v3.25.2
Financing Agreements - Schedule of Long-term Debt (Details) - USD ($)
$ in Millions
Jun. 30, 2025
May 21, 2025
Dec. 31, 2024
Mar. 17, 2015
Debt Instrument [Line Items]        
Long-term debt $ 2,104   $ 2,502  
Less: Current portion of long-term debt 447   399  
Total long-term debt, excluding current portion 1,657   2,103  
Senior Notes        
Debt Instrument [Line Items]        
Annual interest rate on debt   1.518%    
Senior Notes | 3.976% Senior Notes, Due 2025        
Debt Instrument [Line Items]        
Long-term debt $ 0   399  
Annual interest rate on debt 3.976%      
Senior Notes | 3.65% Senior Notes, due 2026        
Debt Instrument [Line Items]        
Long-term debt $ 446   446  
Annual interest rate on debt 3.65%      
Senior Notes | 5.0% Senior Notes, due 2034        
Debt Instrument [Line Items]        
Long-term debt $ 396   395  
Annual interest rate on debt 5.00%      
Senior Notes | 5.7% Senior Notes, due 2043        
Debt Instrument [Line Items]        
Long-term debt $ 396   396  
Annual interest rate on debt 5.70%      
Senior Notes | 4.8% Senior Notes, due 2046        
Debt Instrument [Line Items]        
Long-term debt $ 297   297  
Annual interest rate on debt 4.80%      
Senior Notes | Pre-Capitalized Trust        
Debt Instrument [Line Items]        
Annual interest rate on debt   6.012%   3.976%
Junior Subordinated Notes | Four Point Seven Percent Fixed-to-Floating Rate Junior Subordinated Notes, due 2048 [Member]        
Debt Instrument [Line Items]        
Long-term debt $ 336   336  
Annual interest rate on debt 4.70%      
Debentures | 7.63% Voya Holdings Inc. debentures, due 2026        
Debt Instrument [Line Items]        
Long-term debt $ 139   139  
Annual interest rate on debt 7.625%      
Debentures | 6.97% Voya Holdings Inc. debentures, due 2036        
Debt Instrument [Line Items]        
Long-term debt $ 79   79  
Annual interest rate on debt 6.97%      
Notes payable, other | 8.42% Equitable of Iowa Companies Capital Trust II Notes, due 2027        
Debt Instrument [Line Items]        
Long-term debt $ 13   13  
Annual interest rate on debt 8.424%      
Loans payable | 1.00% Windsor Property Loan        
Debt Instrument [Line Items]        
Long-term debt $ 2   $ 2  
Annual interest rate on debt 1.00%