Stockholders' Equity (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023
Class of Stock [Line Items]
Treasury stock acquired (in shares)	0.9	1.1	2.4	2.1
Dividends declared (in USD per share)	$ 1.54	$ 1.40	$ 2.94	$ 2.65
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 5,348.6	$ 3,472.8	$ 4,547.6	$ 3,509.1
Net earnings	963.2	878.4	1,919.5	1,737.8
Other comprehensive income	(428.5)	722.6	279.6	560.6
Stock-based compensation expense	70.2	67.6	125.0	121.7
Issuances relating to stock compensation plans	27.3	6.9	143.9	88.6
Treasury stock acquired	(273.9)	(252.0)	(731.4)	(599.5)
Dividends declared	(628.8)	(576.7)	(1,206.1)	(1,098.7)
Ending balance	5,078.1	4,319.6	5,078.1	4,319.6
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	2,528.6	2,188.7	2,406.9	2,102.3
Stock-based compensation expense	70.2	67.6	125.0	121.7
Issuances relating to stock compensation plans	20.8	6.6	87.7	38.9
Ending balance	2,619.6	2,262.9	2,619.6	2,262.9
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	24,001.2	22,455.4	23,622.2	22,118.0
Net earnings	963.2	878.4	1,919.5	1,737.8
Dividends declared	(628.8)	(576.7)	(1,206.1)	(1,098.7)
Ending balance	24,335.6	22,757.1	24,335.6	22,757.1
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(20,144.9)	(18,767.4)	(19,737.1)	(18,469.3)
Issuances relating to stock compensation plans	6.5	0.3	56.2	49.7
Treasury stock acquired	(273.9)	(252.0)	(731.4)	(599.5)
Ending balance	(20,412.3)	(19,019.1)	(20,412.3)	(19,019.1)
AOCI
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(1,100.2)	(2,467.8)	(1,808.3)	(2,305.8)
Other comprehensive income	(428.5)	722.6	279.6	560.6
Ending balance	$ (1,528.7)	$ (1,745.2)	$ (1,528.7)	$ (1,745.2)