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Stock Compensation Plans - Narrative (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2024
Dec. 31, 2023
RSUs | Cliff    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period (in years) 3 years  
Performance-Based RSUs    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total unrecognized compensation cost $ 19  
Weighted average period to recognize unrecognized compensation cost 1 year 10 months 24 days  
Performance-Based RSUs | Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Potential for awards to vest (as a percent) 0.00%  
Performance-Based RSUs | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Potential for awards to vest (as a percent) 200.00%  
Performance-Based RSUs | Cliff    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period (in years) 3 years  
Time-Based RSUs    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total unrecognized compensation cost $ 38  
Weighted average period to recognize unrecognized compensation cost 1 year 10 months 24 days  
2021 Stock Incentive Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock options outstanding (in shares) 0 0