XML 79 R51.htm IDEA: XBRL DOCUMENT v3.5.0.2
Earnings Per Share Attributable to Cardinal Health, Inc. (Reconciliation of Common Shares Used to Compute Basic and Diluted EPS) (Details) - shares
shares in Millions
3 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Earnings Per Share [Abstract]    
Weighted-average common shares–basic (in shares) 320 328
Effect of dilutive securities:    
Employee stock options, restricted share units, and performance share units (in shares) 2 3
Weighted-average common shares–diluted (in shares) 322 331