Earnings per Share (EPS) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Earnings Per Share [Abstract]
Net earnings	$ 647.5	$ 651.6	$ 1,249.6	$ 1,234.0
Basic weighted average shares outstanding (shares)	427.4	431.5	428.0	432.1
Effect of employee stock option shares (shares)	0.7	1.1	0.7	1.1
Effect of employee restricted stock shares (shares)	0.9	0.7	0.8	1.1
Diluted weighted average shares outstanding (shares)	429.0	433.3	429.5	434.3
BASIC EARNINGS PER SHARE (in US$ per share)	$ 1.51	$ 1.51	$ 2.92	$ 2.86
DILUTED EARNINGS PER SHARE (in US$ per share)	$ 1.51	$ 1.50	$ 2.91	$ 2.84
Options excluded from the calculation of diluted earnings per share (shares)	1.2	1.3	1.8	1.0