Earnings Per Share Attributable to Cardinal Health, Inc. (Tables)

6 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Reconciliation of Common Shares Used to Compute Basic and Diluted Earnings Per Share

The following table reconciles the number of common shares used to compute basic and diluted earnings per share attributable to Cardinal Health, Inc.:

	Three Months Ended December 31,
(in millions)	2019	2018
Weighted-average common shares–basic	292	299
Effect of dilutive securities:
Employee stock options, restricted share units and performance share units	2	1
Weighted-average common shares–diluted	294	300

	Six Months Ended December 31,
(in millions)	2019	2018
Weighted-average common shares–basic	294	302
Effect of dilutive securities:
Employee stock options, restricted share units and performance share units	—	1
Weighted-average common shares–diluted	294	303