Condensed Consolidated Statements of Changes in Stockholders' Equity (unaudited) - USD ($) $ in Millions	Total	Common stock	Additional paid-in capital	Retained earnings	Accumulated other comprehensive loss	Treasury stock
Balance at beginning of period at Dec. 31, 2021	$ 11,563.8	$ 1.1	$ 2,307.8	$ 9,455.6	$ (183.1)	$ (17.6)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	2,616.3			2,616.3
Stock option exercises	80.8		80.8
Cash settlement of share-based awards in connection with disposition of discontinued operations	(11.1)		(11.1)
Treasury stock sold	11.6		11.3			0.3
Currency translation adjustments	(285.6)				(285.6)
Stock-based compensation	102.9		102.9
Restricted stock activity	(23.8)		(23.8)
Dividends declared	(197.1)			(197.1)
Balance at end of period at Sep. 30, 2022	13,857.8	1.1	2,467.9	11,874.8	(468.7)	(17.3)
Balance at beginning of period at Jun. 30, 2022	13,726.5	1.1	2,417.1	11,613.5	(287.8)	(17.4)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	327.0			327.0
Stock option exercises	17.9		17.9
Treasury stock sold	3.1		3.0			0.1
Currency translation adjustments	(180.9)				(180.9)
Stock-based compensation	31.7		31.7
Restricted stock activity	(1.8)		(1.8)
Dividends declared	(65.7)			(65.7)
Balance at end of period at Sep. 30, 2022	13,857.8	1.1	2,467.9	11,874.8	(468.7)	(17.3)
Balance at beginning of period at Dec. 31, 2022	16,037.8	1.1	2,510.2	13,730.7	(187.0)	(17.2)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	995.2			995.2
Stock option exercises	111.7		111.7
Treasury stock sold	11.6		11.3			0.3
Currency translation adjustments	10.2				10.2
Stock-based compensation	101.9		101.9
Restricted stock activity	(11.3)		(11.3)
Dividends declared	(218.4)			(218.4)
Balance at end of period at Sep. 30, 2023	17,038.7	1.1	2,723.8	14,507.5	(176.8)	(16.9)
Balance at beginning of period at Jun. 30, 2023	16,745.9	1.1	2,655.3	14,233.2	(126.7)	(17.0)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	347.2			347.2
Stock option exercises	29.9		29.9
Treasury stock sold	3.2		3.1			0.1
Currency translation adjustments	(50.1)				(50.1)
Stock-based compensation	36.7		36.7
Restricted stock activity	(1.2)		(1.2)
Dividends declared	(72.9)			(72.9)
Balance at end of period at Sep. 30, 2023	$ 17,038.7	$ 1.1	$ 2,723.8	$ 14,507.5	$ (176.8)	$ (16.9)