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Stock-Based Compensation - Narrative (Details) - USD ($)
shares in Millions, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Common shares available for grant (in shares) 13   13  
Stock-based compensation expense $ 53 $ 45 $ 103 $ 90
Stock Options, SARs and ESPP        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense related to stock options, SAR and ESPP grants 2 5 3 9
Restricted Stock And Restricted Stock Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation arrangement by restricted stock and restricted stock units compensation cost 48 37 95 74
Unrecognized compensation expense 255   $ 255  
Weighted average period over which unrecognized compensation expense will be recognized (in years)     1 year 3 months 18 days  
Performance Unit        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation expense 17   $ 17  
Weighted average period over which unrecognized compensation expense will be recognized (in years)     1 year 7 months 6 days  
Performance period for performance units and shares (in years)     3 years  
Minimum performance multiple at the completion of the performance period (as a percent)     0.00%  
Maximum performance multiple at the completion of the performance period (as a percent)     200.00%  
Maximum performance multiple at the completion of the performance period if TSR is negative (as a percent)     100.00%  
Stock-based compensation expense $ 3 $ 3 $ 5 $ 7
Performance Unit | Minimum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Modifier applied to performance based multiple     (70.00%)  
Performance Unit | Maximum        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Modifier applied to performance based multiple     70.00%