Earnings Per Share

9 Months Ended

Mar. 31, 2016

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share Attributable to Cardinal Health, Inc.

The following tables reconcile 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)	2016	2015
Weighted-average common shares–basic	328	330
Effect of dilutive securities:
Employee stock options, restricted share units, and performance share units	3	4
Weighted-average common shares–diluted	331	334

	Nine Months Ended March 31
(in millions)	2016	2015
Weighted-average common shares–basic	328	332
Effect of dilutive securities:
Employee stock options, restricted share units, and performance share units	3	4
Weighted-average common shares–diluted	331	336

The potentially dilutive employee stock options, restricted share units, and performance share units that were antidilutive were 2 million and 1 million for the three months ended March 31, 2016 and 2015, respectively, and 2 million and 1 million for the nine months ended March 31, 2016 and 2015, respectively.