v3.22.1
Earnings Per Share (Details) - $ / shares
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Weighted-average shares outstanding – basic 105,400,000 109,800,000
Weighted-average shares outstanding – diluted 108,500,000 113,200,000
Antidilutive Securities Excluded from Computation of Net Income, Per Outstanding Unit, Amount $ 0 $ 0
Stock Units    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements 3,000,000.0 3,300,000
Antidilutive Securities Excluded from Computation of Net Income, Per Outstanding Unit, Amount $ 0 $ 0
Share-based Payment Arrangement, Option    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements 100,000 100,000
In-the-money Stock Options | Share-based Payment Arrangement, Option    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive Securities Excluded from Computation of Net Income, Per Outstanding Unit, Amount $ 0 $ 0
Out-of-the-money Stock Options | Share-based Payment Arrangement, Option    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive Securities Excluded from Computation of Net Income, Per Outstanding Unit, Amount $ 0 $ 0
Exercise Price Range, Greater Than Average Market Price    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Share-based Payment Arrangement, Option, Exercise Price Range, Shares Outstanding 300,000 400,000
Share-based Payment Arrangement, Option, Exercise Price Range, Outstanding, Weighted Average Exercise Price $ 31.48 $ 31.41