Stockholders' Equity (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 3,225.3	$ 5,670.1
Net earnings	779.0	700.5
Other comprehensive income	(730.4)	(133.5)
Stock-based compensation expense	46.0	39.5
Issuances relating to stock compensation plans	93.2	68.3
Treasury stock acquired	$ (400.3)	$ (597.4)
Treasury stock acquired (shares)	1.4	2.6
Dividends declared	$ (436.3)	$ (396.8)
Dividends declared (in US$ per share)	$ 1.04	$ 0.93
Ending balance	$ 2,576.5	$ 5,350.7
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	63.9	63.9
Ending balance	63.9	63.9
Capital in Excess of Par Value
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	1,794.2	1,531.3
Stock-based compensation expense	46.0	39.5
Issuances relating to stock compensation plans	52.9	8.3
Ending balance	1,893.1	1,579.1
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	20,696.3	19,451.1
Net earnings	779.0	700.5
Dividends declared	(436.3)	(396.8)
Ending balance	21,039.0	19,754.8
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(17,335.4)	(15,386.8)
Issuances relating to stock compensation plans	40.3	60.0
Treasury stock acquired	(400.3)	(597.4)
Ending balance	(17,695.4)	(15,924.2)
AOCI
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(1,993.7)	10.6
Other comprehensive income	(730.4)	(133.5)
Ending balance	$ (2,724.1)	$ (122.9)