XML 84 R52.htm IDEA: XBRL DOCUMENT v3.6.0.2
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 6 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Earnings Per Share [Abstract]        
Weighted-average common shares–basic (in shares) 318 329 319 329
Effect of dilutive securities:        
Employee stock options, restricted share units, and performance share units (in shares) 1 3 2 3
Weighted-average common shares–diluted (in shares) 319 332 321 332