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, 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)
Balance at beginning of period at Dec. 31, 2023	17,444.8	1.1	2,767.0	14,816.3	(122.8)	(16.8)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	719.1			719.1
Stock option exercises	90.0		90.0
Treasury stock sold	10.3		10.1			0.2
Currency translation adjustments	(20.0)				(20.0)
Stock-based compensation	74.0		74.0
Restricted stock activity	(18.1)		(18.1)
Dividends declared	(161.1)			(161.1)
Balance at end of period at Jun. 30, 2024	18,139.0	1.1	2,923.0	15,374.3	(142.8)	(16.6)
Balance at beginning of period at Mar. 31, 2024	17,797.6	1.1	2,837.1	15,118.0	(141.9)	(16.7)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings	337.1			337.1
Stock option exercises	42.6		42.6
Treasury stock sold	4.5		4.4			0.1
Currency translation adjustments	(0.9)				(0.9)
Stock-based compensation	39.4		39.4
Restricted stock activity	(0.5)		(0.5)
Dividends declared	(80.8)			(80.8)
Balance at end of period at Jun. 30, 2024	$ 18,139.0	$ 1.1	$ 2,923.0	$ 15,374.3	$ (142.8)	$ (16.6)