Annual report [Section 13 and 15(d), not S-K Item 405]

Stock-Based Compensation (Incentive Equity Awards Activity) (Details)

v3.25.4
Stock-Based Compensation (Incentive Equity Awards Activity) (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Number of Options    
Outstanding, beginning balance (in shares) 0.6  
Granted (in shares) 0.0  
Exercised (in shares) (0.2)  
Canceled (in shares) 0.0  
Outstanding, ending balance (in shares) 0.4 0.6
Unvested (in shares) 0.0  
Exercisable (in shares) 0.4  
Weighted Average Exercise Price    
Outstanding (in dollars per share) $ 55.07 $ 54.45
Granted (in dollars per share) 0  
Exercised (in dollars per share) 53.32  
Canceled (in dollars per share) 0  
Unvested (in dollars per share) 0  
Exercisable (in dollars per share) $ 55.07  
Outstanding, weighted average remaining contractual term 2 years 1 month 6 days  
Exercisable, weighted average remaining contractual term 2 years 1 month 6 days  
Outstanding, intrinsic value $ 9  
Unvested, intrinsic value 0  
Exercisable, intrinsic value $ 9  
RSUs    
Number of RSUs and PSUs    
Beginning balance (in shares) 0.9  
Granted (in shares) 0.3  
Vested/exercised/canceled (in shares) (0.4)  
Canceled (in shares) 0.0  
Ending balance (in shares) 0.8 0.9
Weighted 
Average 
Grant Price    
Nonvested (in dollars per share) $ 87.29 $ 76.55
Granted (in dollars per share) 104.66  
Vested/exercised/canceled (in dollars per share) 74.90  
Canceled (in dollars per share) $ 0  
Compensation expense not yet recognized, weighted average period 2 years 6 months  
Aggregate unrecognized compensation expense $ 45  
Performance Shares    
Number of RSUs and PSUs    
Beginning balance (in shares) 0.6  
Granted (in shares) 0.2  
Vested/exercised/canceled (in shares) (0.2)  
Ending balance (in shares) 0.5 0.6
Weighted 
Average 
Grant Price    
Nonvested (in dollars per share) $ 86.17 $ 78.43
Granted (in dollars per share) 106.21  
Vested/exercised/canceled (in dollars per share) 82.74  
Canceled (in dollars per share) $ 88.05  
Compensation expense not yet recognized, weighted average period 1 year 10 months 24 days  
Aggregate unrecognized compensation expense $ 22  
Weighted Average Exercise Price    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period (0.1)  
Performance Shares | Maximum | Key Employees And Senior Officers    
Weighted 
Average 
Grant Price    
Target award percentage 200.00%  
Performance Shares | Minimum | Key Employees And Senior Officers    
Weighted 
Average 
Grant Price    
Target award percentage 0.00%  
Options    
Weighted Average Exercise Price    
Unvested, weighted average remaining contractual term 0 years