Earnings per Share (EPS) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Earnings Per Share [Abstract]
Net earnings	$ 602.1	$ 582.4
Basic weighted average shares outstanding (shares)	428.6	432.7
Effect of employee stock option shares (shares)	0.6	1.3
Effect of employee restricted stock shares (shares)	0.8	1.4
Diluted weighted average shares outstanding (shares)	430.0	435.4
Basic EPS from continuing operations (in US$ per share)	$ 1.40	$ 1.35
Diluted EPS from continuing operations (in US$ per share)	$ 1.40	$ 1.34
Options excluded from the calculation of diluted earnings per share (shares)	2.1	0.7