XML 65 R47.htm IDEA: XBRL DOCUMENT v3.22.1
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 9 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2022
Mar. 31, 2021
Earnings Per Share [Abstract]        
Weighted-average common shares–basic (in shares) 275 292 281 293
Effect of dilutive securities:        
Employee stock options, restricted share units, and performance share units (in shares) 0 2 0 1
Weighted-average common shares–diluted (in shares) 275 294 281 294