Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.2
Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Detail) - shares
shares in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Earnings Per Share [Abstract]        
Weighted-average shares used in basic computations 137.4 142.3 137.2 144.0
Dilutive effect of exercise of equity grants outstanding 3.6 6.8 4.2 7.1
Dilutive effect of 2019 Convertible Notes 1.4 2.8 2.8 1.9
Weighted-average shares used in diluted computations 142.4 151.9 144.2 153.0