Earnings per Share (EPS) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Earnings Per Share [Abstract]
Net earnings	$ 810.7	$ 820.9	$ 2,060.3	$ 2,054.9
Basic, Weighted average shares (shares)	425.8	430.0	427.3	431.4
Effect of Employee Stock Option Shares (shares)	0.8	0.9	0.7	1.1
Effect of Employee Restricted Stock Shares (shares)	1.1	0.9	0.9	1.0
Diluted, Weighted average shares (shares)	427.7	431.8	428.9	433.5
Basic, EPS (in US$ per share)	$ 1.90	$ 1.91	$ 4.82	$ 4.76
Diluted, EPS (in US$ per share)	$ 1.90	$ 1.90	$ 4.80	$ 4.74
Options excluded from the calculation of diluted earnings per share (shares)	0.4	1.3	1.7	1.1