v3.26.1
Debt - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Jan. 31, 2025
Dec. 31, 2024
Mar. 31, 2023
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
May 31, 2025
Aug. 31, 2021
Debt Instrument [Line Items]                  
Interest expense related to debt instruments       $ 28,000,000 $ 32,000,000 $ 56,000,000 $ 64,000,000    
$330 million Revolving Credit Facility, Amended                  
Debt Instrument [Line Items]                  
Line of credit, maximum borrowing capacity       330,000,000   330,000,000   $ 330,000,000 $ 294,000,000
Unused letters of credit       0   0      
Revolving credit facility, borrowings           0      
Periodic payment       0 1,000,000 0 1,000,000    
Revolving Credit Facility                  
Debt Instrument [Line Items]                  
Increase in revolving credit facility     $ 300,000,000            
Seventh Incremental Term Loans                  
Debt Instrument [Line Items]                  
Face amount $ 2,030,000,000                
Seventh Incremental Term Loans | Alight Holdings                  
Debt Instrument [Line Items]                  
Debt instrument, variable interest rate 1.75% 2.25%              
Term Loan, Amended                  
Debt Instrument [Line Items]                  
Principal payment       $ 5,000,000 $ 5,000,000 $ 10,000,000 $ 10,000,000