Stockholders' Equity (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Class of Stock [Line Items]
Treasury stock acquired (in shares)	1.2	1.4
Dividends declared (in dollars per share)	$ 1.54	$ 1.40
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 6,188.0	$ 4,547.6
Net earnings	1,013.0	956.3
Other comprehensive income	152.7	708.1
Stock-based compensation expense	57.2	54.8
Issuances relating to stock compensation plans	57.8	116.6
Treasury stock acquired	(463.7)	(457.5)
Dividends declared	(631.2)	(577.3)
Ending balance	6,373.8	5,348.6
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	2,788.3	2,406.9
Stock-based compensation expense	57.2	54.8
Issuances relating to stock compensation plans	22.5	66.9
Ending balance	2,868.0	2,528.6
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	25,240.6	23,622.2
Net earnings	1,013.0	956.3
Dividends declared	(631.2)	(577.3)
Ending balance	25,622.4	24,001.2
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(21,021.4)	(19,737.1)
Issuances relating to stock compensation plans	35.3	49.7
Treasury stock acquired	(463.7)	(457.5)
Ending balance	(21,449.8)	(20,144.9)
AOCI
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(883.4)	(1,808.3)
Other comprehensive income	152.7	708.1
Ending balance	$ (730.7)	$ (1,100.2)