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Stock Compensation Plans - Narrative (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2026
Dec. 31, 2025
RSUs | Cliff    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period 3 years  
Performance-Based RSUs    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total unrecognized compensation cost $ 11  
Weighted average period to recognize unrecognized compensation cost 2 years 3 months 18 days  
Performance-Based RSUs | Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Percentage of target award available for grant 0.00%  
Performance-Based RSUs | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Percentage of target award available for grant 200.00%  
Performance-Based RSUs | Cliff    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting period 3 years  
Time-Based RSUs    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total unrecognized compensation cost $ 52  
Weighted average period to recognize unrecognized compensation cost 2 years  
2021 Stock Incentive Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock options outstanding (in shares) 0 0