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, 2011	$ 15,038.1	$ 406.4	$ 10,152.0	$ 6,716.3	$ (1,837.1)	$ (399.5)
Balance (in shares) at Dec. 31, 2011		406,400,000
Balance (in shares) at Dec. 31, 2011					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)
Dividends 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		408,700,000
Balance (in shares) at Jun. 30, 2012					43,200,000
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	413,491,691	413,500,000
Balance (in shares) at Dec. 31, 2012	56,047,926				56,000,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of shares under employees' and directors' stock plans (in shares)		4,600,000			300,000
Issuance of shares under employees' and directors' stock plans	156.9	4.6	171.6		(19.3)
Stock-based compensation	43.7		43.7
Tax benefit related to employees' and directors' stock plans	28.4		28.4
Purchases of company common stock (in shares)					1,300,000
Purchases of company common stock	(89.8)				(89.8)
Dividends declared	(108.3)			(108.3)
Net income	613.6			613.6
Other comprehensive items	(305.6)					(305.6)
Other	(0.8)		(0.8)
Balance at Jun. 29, 2013	$ 15,802.8	$ 418.1	$ 10,744.0	$ 8,202.6	$ (3,105.9)	$ (456.0)
Balance (in shares) at Jun. 29, 2013	418,108,447	418,100,000
Balance (in shares) at Jun. 29, 2013	57,592,559				57,600,000