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)		2,100,000			200,000
Issuance of shares under employees' and directors' stock plans	49.7	2.1	56.5		(8.9)
Stock-based compensation	17.3		17.3
Tax benefit related to employees' and directors' stock plans	6.0		6.0
Purchases of company common stock (in shares)					6,000,000
Purchases of company common stock	(300.0)				(300.0)
Dividends declared	(48.0)			(48.0)
Net income	277.3			277.3
Other comprehensive items	248.6					248.6
Balance at Mar. 31, 2012	15,289.0	408.5	10,231.8	6,945.6	(2,146.0)	(150.9)
Balance (in shares) at Mar. 31, 2012		408,500,000
Balance (in shares) at Mar. 31, 2012					41,200,000
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)		3,000,000			300,000
Issuance of shares under employees' and directors' stock plans	86.8	3.0	102.7		(18.9)
Stock-based compensation	20.4		20.4
Tax benefit related to employees' and directors' stock plans	14.1		14.1
Purchases of company common stock (in shares)					1,300,000
Purchases of company common stock	(89.8)				(89.8)
Dividends declared	(54.0)			(54.0)
Net income	336.2			336.2
Other comprehensive items	(178.9)					(178.9)
Balance at Mar. 30, 2013	$ 15,599.5	$ 416.5	$ 10,638.3	$ 7,979.5	$ (3,105.5)	$ (329.3)
Balance (in shares) at Mar. 30, 2013	416,509,225	416,500,000
Balance (in shares) at Mar. 30, 2013	57,587,984				57,600,000