Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) $ in Millions	Total	COMMON STOCK, $1 PAR VALUE:	ADDITIONAL PAID-IN CAPITAL:	TREASURY STOCK, AT COST:	RETAINED EARNINGS:	ACCUMULATED OTHER COMPREHENSIVE LOSS:
Beginning balance at Dec. 31, 2022		$ 522.0	$ 196.1		$ 13,402.4	$ (953.4)
Net income	$ 3,183.5				3,183.5
Purchases				$ (3.1)
Cash dividends declared on common stock					(403.5)
Stock compensation		1.1	62.2
Other comprehensive income (loss)	15.8					15.8
Ending balance at Sep. 30, 2023	16,023.1	523.1	258.3	(3.1)	16,182.4	(937.6)
Beginning balance at Jun. 30, 2023		522.8	241.8	(3.0)	15,095.5	(777.8)
Net income	1,228.5				1,228.5
Purchases				(0.1)
Cash dividends declared on common stock					(141.6)
Stock compensation		0.3	16.5
Other comprehensive income (loss)	(159.8)					(159.8)
Ending balance at Sep. 30, 2023	16,023.1	523.1	258.3	(3.1)	16,182.4	(937.6)
Beginning balance at Dec. 31, 2023	15,878.8	523.3	269.1		15,780.3	(693.9)
Net income	3,290.0				3,290.0
Purchases				(4.5)
Cash dividends declared on common stock					(457.1)
Stock compensation		1.0	66.9
Other comprehensive income (loss)	(111.5)					(111.5)
Ending balance at Sep. 30, 2024	18,663.6	524.3	336.0	(4.5)	18,613.2	(805.4)
Beginning balance at Jun. 30, 2024		524.3	329.2	(4.0)	17,798.6	(945.2)
Net income	972.1				972.1
Purchases				(0.5)
Cash dividends declared on common stock					(157.5)
Stock compensation			6.8
Other comprehensive income (loss)	139.8					139.8
Ending balance at Sep. 30, 2024	$ 18,663.6	$ 524.3	$ 336.0	$ (4.5)	$ 18,613.2	$ (805.4)