Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.2
Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Detail) - shares
shares in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Earnings Per Share [Abstract]        
Weighted-average shares used in basic computations 105.5 129.2 107.3 135.0
Dilutive effect of exercise of equity grants outstanding 2.3 3.3 2.5 2.8
Weighted-average shares used in diluted computations 107.8 132.5 109.8 137.8