Consolidated Statement of Shareholders' Equity (Unaudited) (USD $) In Millions, unless otherwise specified	Total	Common Stock [Member]	Capital in Excess of Par Value [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Items [Member]
Balance at Dec. 31, 2011	$ 15,038.1	$ 406.4	$ 10,152.0	$ 6,716.3	$ (1,837.1)	$ (399.5)
Balance (in shares) at Dec. 31, 2011		406.4			35.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of shares under employees' and directors' stock plans (in shares)		4.2			0.2
Issuance of shares under employees' and directors' stock plans	129.6	4.2	134.9		(9.5)
Stock-based compensation	57.8		57.8
Tax benefit related to employees' and directors' stock plans	9.8		9.8
Purchases of company common stock (in shares)					15.1
Purchases of company common stock	(800.0)				(800.0)
Dividends declared	(143.0)			(143.0)
Net income	801.5			801.5
Other comprehensive items	199.2					199.2
Other	(2.5)		(2.5)
Balance at Sep. 29, 2012	15,290.5	410.6	10,352.0	7,374.8	(2,646.6)	(200.3)
Balance (in shares) at Sep. 29, 2012		410.6			50.3
Balance at Dec. 31, 2012	15,464.7	413.5	10,501.1	7,697.3	(2,996.8)	(150.4)
Balance (in shares) at Dec. 31, 2012		413.5			56.0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of shares under employees' and directors' stock plans (in shares)		5.5			0.3
Issuance of shares under employees' and directors' stock plans	190.6	5.5	208.0		(22.9)
Stock-based compensation	66.6		66.6
Tax benefit related to employees' and directors' stock plans	37.6		37.6
Purchases of company common stock (in shares)					1.3
Purchases of company common stock	(89.8)				(89.8)
Dividends declared	(162.8)			(162.8)
Net income	931.2			931.2
Other comprehensive items	0					0
Other	(0.8)		(0.8)
Balance at Sep. 28, 2013	$ 16,437.3	$ 419.0	$ 10,812.5	$ 8,465.7	$ (3,109.5)	$ (150.4)
Balance (in shares) at Sep. 28, 2013		419.0			57.6