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	2,289.3			2,289.3
Stock option exercises	62.9		62.9
Cash settlement of share-based awards in connection with disposition of discontinued operations	(11.1)		(11.1)
Treasury stock sold	8.5		8.3			0.2
Currency translation adjustments	(104.7)				(104.7)
Stock-based compensation	71.2		71.2
Restricted stock activity	(22.0)		(22.0)
Dividends declared	(131.4)			(131.4)
Balance at end of period at Jun. 30, 2022	13,726.5	1.1	2,417.1	11,613.5	(287.8)	(17.4)
Balance at beginning of period at Mar. 31, 2022	13,551.9	1.1	2,363.9	11,410.4	(206.0)	(17.5)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	268.8			268.8
Stock option exercises	24.2		24.2
Treasury stock sold	3.0		2.9			0.1
Currency translation adjustments	(81.8)				(81.8)
Stock-based compensation	30.4		30.4
Restricted stock activity	(4.3)		(4.3)
Dividends declared	(65.7)			(65.7)
Balance at end of period at Jun. 30, 2022	13,726.5	1.1	2,417.1	11,613.5	(287.8)	(17.4)
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	648.0			648.0
Stock option exercises	81.8		81.8
Treasury stock sold	8.4		8.2			0.2
Currency translation adjustments	60.3				60.3
Stock-based compensation	65.2		65.2
Restricted stock activity	(10.1)		(10.1)
Dividends declared	(145.5)			(145.5)
Balance at end of period at Jun. 30, 2023	16,745.9	1.1	2,655.3	14,233.2	(126.7)	(17.0)
Balance at beginning of period at Mar. 31, 2023	16,332.7	1.1	2,570.4	13,941.2	(162.9)	(17.1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	364.9			364.9
Stock option exercises	48.1		48.1
Treasury stock sold	3.7		3.6			0.1
Currency translation adjustments	36.2				36.2
Stock-based compensation	33.8		33.8
Restricted stock activity	(0.6)		(0.6)
Dividends declared	(72.9)			(72.9)
Balance at end of period at Jun. 30, 2023	$ 16,745.9	$ 1.1	$ 2,655.3	$ 14,233.2	$ (126.7)	$ (17.0)