Condensed Consolidated Statements of Stockholders' Equity (unaudited) - USD ($) shares in Millions, $ in Millions	Total	Common Stock [Member]	Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive (Loss) Income [Member]	Treasury Shares [Member]	Noncontrolling Interest [Member]
Balance at Dec. 31, 2022	$ 12,027.0	$ 3.1	$ 9,504.4	$ 9,559.3	$ (179.3)	$ (6,867.2)	$ 6.7
Balance, shares at Dec. 31, 2022		313.8				(104.8)
Net earnings	442.6			442.1			0.5
Other comprehensive income (loss)	1.5				1.5
Cash dividends declared	(100.5)			(100.5)
Stock compensation plans	115.9		113.5	1.4		$ 1.0
Stock compensation plans, shares		0.8
Embody, Inc. acquisition consideration	150.5	$ 0.1	150.4
Embody, Inc. acquisition consideration, shares		1.2
Share repurchases	(258.3)		(2.3)			$ (256.0)
Share repurchases, Shares						(2.2)
Balance at Jun. 30, 2023	12,378.6	$ 3.2	9,766.0	9,902.3	(177.8)	$ (7,122.2)	7.1
Balance, shares at Jun. 30, 2023		315.8				(107.0)
Balance at Mar. 31, 2023	12,157.6	$ 3.2	9,692.4	9,741.7	(178.0)	$ (7,108.6)	6.9
Balance, shares at Mar. 31, 2023		315.4				(106.9)
Net earnings	209.8			209.6			0.2
Other comprehensive income (loss)	0.2				0.2
Cash dividends declared	(50.1)			(50.1)
Stock compensation plans	59.9		58.1	1.1		$ 0.7
Stock compensation plans, shares		0.3
Embody, Inc. acquisition consideration	15.5		15.5
Embody, Inc. acquisition consideration, shares		0.1
Share repurchases	(14.3)					$ (14.3)
Share repurchases, Shares						(0.1)
Balance at Jun. 30, 2023	12,378.6	$ 3.2	9,766.0	9,902.3	(177.8)	$ (7,122.2)	7.1
Balance, shares at Jun. 30, 2023		315.8				(107.0)
Balance at Dec. 31, 2023	12,488.1	$ 3.2	9,846.1	10,384.5	(191.0)	$ (7,562.3)	7.7
Balance, shares at Dec. 31, 2023		316.2				(110.6)
Net earnings	415.9			415.2			0.7
Other comprehensive income (loss)	(4.2)				(4.2)
Cash dividends declared	(98.6)			(98.6)
Stock compensation plans	108.2		105.4	1.4		$ 1.4
Stock compensation plans, shares		0.8
Embody, Inc. acquisition consideration	23.4		23.4
Embody, Inc. acquisition consideration, shares		0.2
Share repurchases	(183.4)					$ (183.4)
Share repurchases, Shares						(1.7)
Balance at Jun. 30, 2024	12,749.4	$ 3.2	9,974.9	10,702.5	(195.2)	$ (7,744.3)	8.4
Balance, shares at Jun. 30, 2024		317.2				(112.3)
Balance at Mar. 31, 2024	12,606.0	$ 3.2	9,945.9	10,509.0	(211.2)	$ (7,648.9)	8.1
Balance, shares at Mar. 31, 2024		317.2				(111.5)
Net earnings	243.1			242.8			0.3
Other comprehensive income (loss)	16.1				16.1
Cash dividends declared	(49.3)			(49.3)
Stock compensation plans	29.0		29.0
Share repurchases	(95.4)					$ (95.4)
Share repurchases, Shares						(0.9)
Balance at Jun. 30, 2024	$ 12,749.4	$ 3.2	$ 9,974.9	$ 10,702.5	$ (195.2)	$ (7,744.3)	$ 8.4
Balance, shares at Jun. 30, 2024		317.2				(112.3)