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

9 Months Ended

Mar. 31, 2017

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 March 31,
(in millions)	2017	2016
Weighted-average common shares–basic	316	328
Effect of dilutive securities:
Employee stock options, restricted share units and performance share units	2	3
Weighted-average common shares–diluted	318	331

	Nine Months Ended March 31,
(in millions)	2017	2016
Weighted-average common shares–basic	318	328
Effect of dilutive securities:
Employee stock options, restricted share units and performance share units	2	3
Weighted-average common shares–diluted	320	331