Consolidated Statement of Shareholders' Equity (Unaudited) (USD $) In Millions, except Share data, 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, 2010	$ 15,361.0	$ 401.8	$ 10,019.7	$ 5,386.4	$ (490.5)	$ 43.6
Balance (in shares) at Dec. 31, 2010		401,800,000
Balance (in shares) at Dec. 31, 2010					10,400,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of shares under employees' and directors' stock plans (in shares)		4,500,000			200,000
Issuance of shares under employees' and directors' stock plans	151.7	4.5	156.1		(8.9)
Settlement of convertible debt	(122.8)		(122.8)
Stock-based compensation	60.7		60.7
Tax benefit related to employees' and directors' stock plans	14.8		14.8
Purchases of company common stock (in shares)					17,400,000
Purchases of company common stock	(987.5)				(987.5)
Net income	1,041.0			1,041.0
Other comprehensive items	(323.0)					(323.0)
Balance at Oct. 01, 2011	15,195.9	406.3	10,128.5	6,427.4	(1,486.9)	(279.4)
Balance (in shares) at Oct. 01, 2011		406,300,000
Balance (in shares) at Oct. 01, 2011					28,000,000
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	406,416,940	406,400,000
Balance (in shares) at Dec. 31, 2011	35,033,919				35,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of shares under employees' and directors' stock plans (in shares)		4,200,000			200,000
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)					15,100,000
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	410,564,459	410,600,000
Balance (in shares) at Sep. 29, 2012	50,349,562				50,300,000