Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
Stock-Based Compensation (Incentive Equity Awards Activity) (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 1 Months Ended 6 Months Ended
May 17, 2018
Jun. 30, 2018
Jun. 30, 2018
Weighted Average Grant Price      
Ending balance (in dollars per share)   $ 11.72 $ 11.72
Number of Options      
Beginning balance (in shares)   0.0  
Granted (in shares)   0.5  
Vested/exercised (in shares)   0.0  
Ending balance (in shares)   0.5 0.5
Weighted Average Grant Price      
Beginning balance (in dollars per share)   $ 0.00  
Granted (in dollars per share)   61.40  
Vested/exercised (in dollars per share)   0.00  
Ending balance (in dollars per share)   $ 61.40 $ 61.40
RSUs      
Number of RSUs      
Beginning balance (in shares)   0.0  
Granted (in shares) 0.5 0.5  
Vested/exercised (in shares)   0.0  
Ending balance (in shares)   0.5 0.5
Weighted Average Grant Price      
Beginning balance (in dollars per share)   $ 0.00  
Granted (in dollars per share)   61.40  
Vested/exercised (in dollars per share)   0.00  
Ending balance (in dollars per share)   $ 61.40 $ 61.40
Weighted Average Grant Price      
Expected to vest (in shares)     0.5
Aggregate unrecognized compensation expense   $ 29 $ 29
Compensation expense not yet recognized, weighted average period     3 years 11 months
RSUs, Granted Prior to 2018      
Number of RSUs      
Beginning balance (in shares)     0.3
Granted (in shares)     0.1
Transferred from former Parent (in shares)     0.2
Vested/exercised (in shares)     (0.1)
Ending balance (in shares)   0.5 0.5
Weighted Average Grant Price      
Beginning balance (in dollars per share)     $ 60.80
Granted (in dollars per share)     64.46
Transferred from former Parent (in dollars per share)     61.65
Vested/exercised (in dollars per share)     60.80
Ending balance (in dollars per share)   $ 61.61 $ 61.61
Weighted Average Grant Price      
Expected to vest (in shares)     0.5
Aggregate unrecognized compensation expense   $ 21 $ 21
Compensation expense not yet recognized, weighted average period     9 months 18 days
PSUs      
Number of RSUs      
Beginning balance (in shares)     0.1
Granted (in shares)     0.0
Transferred from former Parent (in shares)     0.0
Vested/exercised (in shares)     (0.1)
Ending balance (in shares)   0.0 0.0
Weighted Average Grant Price      
Beginning balance (in dollars per share)     $ 60.80
Granted (in dollars per share)     0.00
Transferred from former Parent (in dollars per share)     0.00
Vested/exercised (in dollars per share)     60.80
Ending balance (in dollars per share)   $ 0.00 $ 0.00
Weighted Average Grant Price      
Aggregate unrecognized compensation expense   $ 6 $ 6
Compensation expense not yet recognized, weighted average period     3 years 10 months 24 days