Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.2
Stock-Based Compensation (Incentive Equity Awards Activity) (Details)
$ / shares in Units, shares in Millions, $ in Millions
 9 Months Ended
Sep. 30, 2021
USD ($)
$ / shares
shares
Weighted Average Grant Price  
Beginning balance (in dollars per share) $ 8.59
Ending balance (in dollars per share) $ 19.58
RSUs  
Number of RSUs  
Beginning balance (in shares) | shares 0.9
Granted (in shares) | shares 0.7
Vested/exercised (in shares) | shares (0.3)
Canceled (in shares) | shares (0.1)
Ending balance (in shares) | shares 1.2
Weighted Average Grant Price  
Beginning balance (in dollars per share) $ 54.15
Granted (in dollars per share) 65.60
Vested/exercised (in dollars per share) 54.77
Canceled (in dollars per share) 57.04
Ending balance (in dollars per share) $ 60.24
Weighted Average Exercise Price  
Aggregate unrecognized compensation expense | $ $ 57
Compensation expense not yet recognized, weighted average period 2 years 8 months 12 days
Performance Shares  
Number of RSUs  
Beginning balance (in shares) | shares 0.2
Granted (in shares) | shares 0.1
Ending balance (in shares) | shares 0.3
Weighted Average Grant Price  
Beginning balance (in dollars per share) $ 52.93
Granted (in dollars per share) 65.21
Ending balance (in dollars per share) $ 57.51
Weighted Average Exercise Price  
Aggregate unrecognized compensation expense | $ $ 14
Compensation expense not yet recognized, weighted average period 1 year 6 months
Options  
Number of Options  
Beginning balance (in shares) | shares 1.4
Granted (in shares) | shares 0.1
Exercised (in shares) | shares (0.1)
Forfeited (in shares) | shares (0.1)
Ending balance (in shares) | shares 1.3
Weighted Average Exercise Price  
Beginning balance (in dollars per share) $ 55.57
Granted (in dollars per share) 65.21
Exercised (in dollars per share) 55.99
Canceled (in dollars per share) 55.26
Ending balance (in dollars per share) $ 56.12
Unvested options outstanding | shares 0.7
Options exercisable | shares 0.6
Unvested options weighted average exercise price (in dollars per share) $ 55.47
Exercisable options weighted average exercise price (in dollars per share) $ 56.85
Weighted average remaining contractual term, outstanding 4 years 9 months 18 days
Weighted average remaining contractual term, unvested 5 years
Weighted average remaining contractual term, exercisable 4 years 6 months
Aggregate Intrinsic Value, Outstanding | $ $ 27
Aggregate Intrinsic Value, Unvested | $ 15
Aggregate Intrinsic Value, Exercisable | $ 12
Aggregate unrecognized compensation expense | $ $ 6
Compensation expense not yet recognized, weighted average period 2 years 1 month 6 days