Consolidated Condensed Statements of 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 Interests
Beginning balance (in shares) at Dec. 31, 2019			958,056					530	[1]
Beginning balance at Dec. 31, 2019			$ 598.8	$ 6,685.3	$ 4,920.4	$ (3,013.2)	$ (6,523.6)	$ (60.8)	[1]	$ 92.2
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Net income (loss)					4,076.9					95.9
Other comprehensive income (loss), net of tax							(31.5)
Cash dividend declared					(1,345.6)
Retirement of treasury shares (in shares)			(3,627)					(3,627)	[1]
Retirement of treasury shares			$ (2.3)		(497.7)			$ 500.0	[1]
Purchase of treasury shares (in shares)	[1]							3,627
Purchase of treasury shares	[1]							$ (500.0)
Issuance of stock under employee stock plans, net (in shares)			2,549					(43)	[1]
Issuance of stock under employee stock plans, net			$ 1.6	(206.4)				$ 5.1	[1]
Stock-based compensation				220.3
Other				(0.4)						(19.0)
Ending balance (in shares) at Sep. 30, 2020			956,978					487	[1]
Ending balance at Sep. 30, 2020			$ 598.1	6,698.8	7,154.0	(3,013.2)	(6,555.1)	$ (55.7)	[1]	169.1
Beginning balance (in shares) at Jun. 30, 2020			956,953					487	[1]
Beginning balance at Jun. 30, 2020			$ 598.1	6,629.4	6,617.2	(3,013.2)	(6,682.9)	$ (55.7)	[1]	179.1
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Net income (loss)					1,208.4					(4.8)
Other comprehensive income (loss), net of tax							127.8
Cash dividend declared					(671.6)
Issuance of stock under employee stock plans, net (in shares)			25
Issuance of stock under employee stock plans, net				(2.3)
Stock-based compensation				71.7
Other										(5.2)
Ending balance (in shares) at Sep. 30, 2020			956,978					487	[1]
Ending balance at Sep. 30, 2020			$ 598.1	6,698.8	7,154.0	(3,013.2)	(6,555.1)	$ (55.7)	[1]	169.1
Beginning balance (in shares) at Dec. 31, 2020			957,077					487	[1]
Beginning balance at Dec. 31, 2020		$ 5,825.2	$ 598.2	6,778.5	7,830.2	(3,013.2)	(6,496.4)	$ (55.7)	[1]	183.6
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Net income (loss)					3,855.6					25.2
Other comprehensive income (loss), net of tax							323.7
Cash dividend declared					(1,542.9)
Retirement of treasury shares (in shares)			(2,467)					(2,467)	[1]
Retirement of treasury shares			$ (1.5)		(498.5)			$ 500.0	[1]
Purchase of treasury shares (in shares)	[1]							2,467
Purchase of treasury shares	[1]							$ (500.0)
Issuance of stock under employee stock plans, net (in shares)			2,442					(24)	[1]
Issuance of stock under employee stock plans, net			$ 1.5	(287.1)				$ 3.0	[1]
Stock-based compensation				267.5
Other				(0.9)	(5.0)					(11.7)
Ending balance (in shares) at Sep. 30, 2021			957,052					463	[1]
Ending balance at Sep. 30, 2021		7,954.1	$ 598.2	6,758.0	9,639.4	(3,013.2)	(6,172.7)	$ (52.7)	[1]	197.1
Beginning balance (in shares) at Jun. 30, 2021			957,038					463	[1]
Beginning balance at Jun. 30, 2021			$ 598.1	6,669.2	8,530.1	(3,013.2)	(6,287.1)	$ (52.7)	[1]	219.1
Increase (Decrease) in Shareholders' Equity [Roll Forward]
Net income (loss)					1,110.1					(22.6)
Other comprehensive income (loss), net of tax							114.4
Issuance of stock under employee stock plans, net (in shares)			14
Issuance of stock under employee stock plans, net			$ 0.1	(1.3)
Stock-based compensation				90.1
Other					(0.8)					0.6
Ending balance (in shares) at Sep. 30, 2021			957,052					463	[1]
Ending balance at Sep. 30, 2021		$ 7,954.1	$ 598.2	$ 6,758.0	$ 9,639.4	$ (3,013.2)	$ (6,172.7)	$ (52.7)	[1]	$ 197.1

[1] As of September 30, 2021, there were $500.0 million remaining under our $8.00 billion share repurchase program authorized in June 2018 and $5.00 billion remaining under our $5.00 billion share repurchase program authorized in May 2021.