Stockholders' Equity (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Class of Stock [Line Items]
Treasury stock acquired (in shares)	1.4	1.0
Dividends declared (in USD per share)	$ 1.40	$ 1.25
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 4,547.6	$ 3,509.1
Net earnings	956.3	859.4
Other comprehensive income	708.1	(162.0)
Stock-based compensation expense	54.8	54.0
Issuances relating to stock compensation plans	116.6	81.8
Treasury stock acquired	(457.5)	(347.5)
Dividends declared	(577.3)	(522.0)
Ending balance	5,348.6	3,472.8
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	2,406.9	2,102.3
Stock-based compensation expense	54.8	54.0
Issuances relating to stock compensation plans	66.9	32.4
Ending balance	2,528.6	2,188.7
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	23,622.2	22,118.0
Net earnings	956.3	859.4
Dividends declared	(577.3)	(522.0)
Ending balance	24,001.2	22,455.4
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(19,737.1)	(18,469.3)
Issuances relating to stock compensation plans	49.7	49.4
Treasury stock acquired	(457.5)	(347.5)
Ending balance	(20,144.9)	(18,767.4)
AOCI
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(1,808.3)	(2,305.8)
Other comprehensive income	708.1	(162.0)
Ending balance	$ (1,100.2)	$ (2,467.8)