Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Detail)

v3.20.2
Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Detail) - shares
shares in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Earnings Per Share [Abstract]        
Weighted-average shares used in basic computations 129.2 137.4 135.0 137.3
Dilutive effect of exercise of equity grants outstanding 3.3 2.6 2.8 3.7
Dilutive effect of 2019 Convertible Notes       1.3
Weighted-average shares used in diluted computations 132.5 140.0 137.8 142.3