Earnings per Share (EPS) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Earnings Per Share [Abstract]
Basic weighted average shares outstanding (shares)	434.1	441.0	435.5	441.5
Effect of Employee Stock Option Shares (shares)	1.2	1.0	1.3	1.1
Effect of Employee Restricted Stock Shares (shares)	1.3	1.4	1.3	1.5
Diluted weighted average shares outstanding (shares)	436.6	443.4	438.1	444.1
Basic EPS from continuing operations (in US$ per share)	$ 1.74	$ 1.50	$ 4.17	$ 3.95
Diluted EPS from continuing operations (in US$ per share)	$ 1.73	$ 1.49	$ 4.15	$ 3.93
Net earnings	$ 753.7	$ 661.0	$ 1,817.4	$ 1,744.0
Options excluded from the calculation of diluted earnings per share (shares)	0.8	1.1	0.6	0.9