Stockholders' Equity (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023	Dec. 31, 2022
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 3,472.8	$ 2,576.5	$ 3,509.1	$ 3,225.3
Net earnings	878.4	813.1	1,737.8	1,592.2
Other comprehensive income	722.6	273.2	560.6	(457.2)
Stock-based compensation expense	67.6	51.0	121.7	97.0
Issuances relating to stock compensation plans	6.9	16.3	88.6	109.5
Treasury stock acquired	$ (252.0)	$ (224.3)	$ (599.5)	$ (624.6)
Treasury stock acquired (in shares)	1.1	0.9	2.1	2.3
Dividends declared	$ (576.7)	$ (519.1)	$ (1,098.7)	$ (955.5)
Dividends declared (in USD per share)	$ 1.40	$ 1.25	$ 2.65	$ 2.29
Ending balance	$ 4,319.6	$ 2,986.7	$ 4,319.6	$ 2,986.7
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	63.9	63.9	63.9	63.9
Ending balance	63.9	63.9	63.9	63.9
Capital in Excess of Par Value
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	2,188.7	1,893.1	2,102.3	1,794.2
Stock-based compensation expense	67.6	51.0	121.7	97.0
Issuances relating to stock compensation plans	6.6	10.1	38.9	63.0
Ending balance	2,262.9	1,954.2	2,262.9	1,954.2
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	22,455.4	21,039.0	22,118.0	20,696.3
Net earnings	878.4	813.1	1,737.8	1,592.2
Dividends declared	(576.7)	(519.1)	(1,098.7)	(955.5)
Ending balance	22,757.1	21,333.0	22,757.1	21,333.0
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(18,767.4)	(17,695.4)	(18,469.3)	(17,335.4)
Issuances relating to stock compensation plans	0.3	6.2	49.7	46.5
Treasury stock acquired	(252.0)	(224.3)	(599.5)	(624.6)
Ending balance	(19,019.1)	(17,913.5)	(19,019.1)	(17,913.5)
AOCI
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(2,467.8)	(2,724.1)	(2,305.8)	(1,993.7)
Other comprehensive income	722.6	273.2	560.6	(457.2)
Ending balance	$ (1,745.2)	$ (2,450.9)	$ (1,745.2)	$ (2,450.9)