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)		4,100,000			100,000
Issuance of shares under employees' and directors' stock plans	136.3	4.1	141.0		(8.8)
Settlement of convertible debt	(122.8)		(122.8)
Stock-based compensation	41.9		41.9
Tax benefit related to employees' and directors' stock plans	13.8		13.8
Purchases of company common stock (in shares)					13,500,000
Purchases of company common stock	(762.5)				(762.5)
Net income	775.6			775.6
Other comprehensive items	222.4					222.4
Balance at Jul. 02, 2011	15,665.7	405.9	10,093.6	6,162.0	(1,261.8)	266.0
Balance (in shares) at Jul. 02, 2011		405,900,000
Balance (in shares) at Jul. 02, 2011					24,000,000
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)		2,300,000			200,000
Issuance of shares under employees' and directors' stock plans	58.2	2.3	65.0		(9.1)
Stock-based compensation	37.5		37.5
Tax benefit related to employees' and directors' stock plans	6.0		6.0
Purchases of company common stock (in shares)					8,000,000
Purchases of company common stock	(400.0)				(400.0)
Dividend declared	(95.8)			(95.8)
Net income	511.1			511.1
Other comprehensive items	(58.2)					(58.2)
Other	(2.5)		(2.5)
Balance at Jun. 30, 2012	$ 15,094.4	$ 408.7	$ 10,258.0	$ 7,131.6	$ (2,246.2)	$ (457.7)
Balance (in shares) at Jun. 30, 2012	408,744,991	408,700,000
Balance (in shares) at Jun. 30, 2012	43,193,015				43,200,000