Earnings per Share (EPS) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Earnings Per Share [Abstract]
Net earnings	$ 651.6	$ 558.2	$ 1,234.0	$ 1,063.6
Basic weighted average shares outstanding (shares)	431.5	435.7	432.1	436.2
Effect of employee stock option shares (shares)	1.1	1.2	1.1	1.3
Effect of employee restricted stock shares (shares)	0.7	1.1	1.1	1.4
Diluted weighted average shares outstanding (shares)	433.3	438.0	434.3	438.9
Basic EPS from continuing operations (in US$ per share)	$ 1.51	$ 1.28	$ 2.86	$ 2.44
Diluted EPS from continuing operations (in US$ per share)	$ 1.50	$ 1.27	$ 2.84	$ 2.42
Options excluded from the calculation of diluted earnings per share (shares)	1.3	0.8	1.0	0.6