Annual report pursuant to Section 13 and 15(d)

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

v3.24.0.1
Stock-Based Compensation (Incentive Equity Awards Activity) (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Weighted Average Grant Price      
Nonvested (in dollars per share)     $ 19.58
Number of Options      
Outstanding, beginning balance (in shares) 1.0    
Granted (in shares) 0.0    
Exercised (in shares) 0.0    
Canceled (in shares) 0.0    
Outstanding, ending balance (in shares) 1.0    
Unvested (in shares) 0.2    
Exercisable (in shares) 0.8    
Weighted Average Exercise Price      
Outstanding (in dollars per share) $ 55.89 $ 55.90  
Granted (in dollars per share) 0    
Exercised (in dollars per share) 0    
Canceled (in dollars per share) 0    
Unvested (in dollars per share) 56.47    
Exercisable (in dollars per share) $ 55.79    
Outstanding, weighted average remaining contractual term 2 years 8 months 12 days    
Exercisable, weighted average remaining contractual term 2 years 8 months 12 days    
Outstanding, intrinsic value $ 25    
Unvested, intrinsic value 4    
Exercisable, intrinsic value 21    
Unvested, unrecognized compensation expense $ 1    
RSUs      
Number of RSUs and PSUs      
Beginning balance (in shares) 1.0    
Granted (in shares) 0.4    
Vested/exercised/canceled (in shares) (0.4)    
Canceled (in shares) 0.0    
Ending balance (in shares) 1.0    
Weighted Average Grant Price      
Nonvested (in dollars per share) $ 72.80 67.90  
Granted (in dollars per share) 77.10    
Vested/exercised/canceled (in dollars per share) 63.62    
Canceled (in dollars per share) $ 0    
Compensation expense not yet recognized, weighted average period 2 years 6 months    
Aggregate unrecognized compensation expense $ 47    
Performance Shares      
Number of RSUs and PSUs      
Beginning balance (in shares) 0.3    
Granted (in shares) 0.3    
Vested/exercised/canceled (in shares) 0.0    
Ending balance (in shares) 0.5    
Weighted Average Grant Price      
Nonvested (in dollars per share) $ 76.56 $ 69.82  
Granted (in dollars per share) 77.45    
Vested/exercised/canceled (in dollars per share) 0    
Canceled (in dollars per share) $ 53.40    
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 Grant Price      
Compensation expense not yet recognized, weighted average period 10 months 24 days    
Weighted Average Exercise Price      
Unvested, weighted average remaining contractual term 2 years 4 months 24 days