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

3 Months Ended

Sep. 30, 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 September 30,
(in millions)	2019	2018
Weighted-average common shares–basic	296	305
Effect of dilutive securities:
Employee stock options, restricted share units, and performance share units	—	1
Weighted-average common shares–diluted	296	306