Consolidated Statements of Shareholders' Equity - USD ($) shares in Thousands, $ in Millions	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Employee Benefit Trust	Accumulated Other Comprehensive Loss	Common Stock in Treasury	Noncontrolling Interest
Beginning balance (in shares) at Dec. 31, 2020		957,077
Beginning balance (in shares) at Dec. 31, 2020							487
Beginning balance at Dec. 31, 2020		$ 598.2	$ 6,778.5	$ 7,830.2	$ (3,013.2)	$ (6,496.4)	$ (55.7)	$ 183.6
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Net income				5,581.7				3.4
Other comprehensive income (loss), net of tax	$ 2,153.3					2,153.3
Cash dividends declared				(3,201.7)
Retirement of treasury shares (in shares)		(5,412)					(5,412)
Retirement of treasury shares		$ (3.4)		(1,246.6)			$ 1,250.0
Purchase of treasury shares (in shares)							5,412
Purchase of treasury shares	(1,250.0)						$ (1,250.0)
Issuance of stock under employee stock plans, net (in shares)		2,451					(24)
Issuance of stock under employee stock plans, net		$ 1.5	(287.9)				$ 3.0
Stock-based compensation			342.8
Other				(5.1)				(11.4)
Ending balance (in shares) at Dec. 31, 2021		954,116
Ending balance (in shares) at Dec. 31, 2021							463
Ending balance at Dec. 31, 2021		$ 596.3	6,833.4	8,958.5	(3,013.2)	(4,343.1)	$ (52.7)	175.6
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Net income				6,244.8				(20.9)
Other comprehensive income (loss), net of tax	498.5					498.5
Cash dividends declared				(3,667.5)
Retirement of treasury shares (in shares)		(5,607)					(5,607)
Retirement of treasury shares		$ (3.5)		(1,496.5)			$ 1,500.0
Purchase of treasury shares (in shares)							5,607
Purchase of treasury shares	$ (1,500.0)						$ (1,500.0)
Issuance of stock under employee stock plans, net (in shares)		2,123					(13)
Issuance of stock under employee stock plans, net		$ 1.3	(283.1)				$ 2.2
Stock-based compensation			371.1
Other				3.3				(29.1)
Ending balance (in shares) at Dec. 31, 2022	950,632	950,632
Ending balance (in shares) at Dec. 31, 2022							450
Ending balance at Dec. 31, 2022	$ 10,775.4	$ 594.1	6,921.4	10,042.6	(3,013.2)	(3,844.6)	$ (50.5)	125.6
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Net income				5,240.4				11.0
Other comprehensive income (loss), net of tax	(482.4)					(482.4)
Cash dividends declared				(4,221.3)
Retirement of treasury shares (in shares)		(2,299)					(2,299)
Retirement of treasury shares		$ (1.4)		(748.6)			$ 750.0
Purchase of treasury shares (in shares)							2,299
Purchase of treasury shares	$ (750.0)						$ (750.0)
Issuance of stock under employee stock plans, net (in shares)		1,448					(48)
Issuance of stock under employee stock plans, net		$ 0.9	(299.5)				$ 8.8
Stock-based compensation			628.5
Other				(0.8)			$ (2.5)	(44.8)
Ending balance (in shares) at Dec. 31, 2023	949,781	949,781
Ending balance (in shares) at Dec. 31, 2023							402
Ending balance at Dec. 31, 2023	$ 10,863.7	$ 593.6	$ 7,250.4	$ 10,312.3	$ (3,013.2)	$ (4,327.0)	$ (44.2)	$ 91.8