v3.26.1
Financing Agreements - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Schedule of Investment Income, Reported Amounts, by Category [Line Items]          
Interest Expense $ 1 $ 0 $ 1 $ 1  
Voya Financial, Inc. | Reciprocal Loan Agreement          
Schedule of Investment Income, Reported Amounts, by Category [Line Items]          
Interest Expense 1 1 1 1  
Interest Income, Operating 3   9    
Other Receivables $ 351   $ 351   $ 569
Voya Financial, Inc. | Reciprocal Loan Agreement | Affiliated Entity          
Schedule of Investment Income, Reported Amounts, by Category [Line Items]          
Interest Income, Operating   $ 7   $ 12  
Line of Credit, Maximum Borrowing Limit, Percentage 3.00%   3.00%    
VIPS | Reciprocal Loan Agreement          
Schedule of Investment Income, Reported Amounts, by Category [Line Items]          
Other Receivables $ 57   $ 57   $ 42