General (Comprehensive Income) (Details) (USD $)	3 Months Ended		6 Months Ended
	Jul. 01, 2011	Jul. 02, 2010	Jul. 01, 2011	Jul. 02, 2010
General
Net earnings	$ 648,764,000	$ 372,476,000	$ 1,078,122,000	$ 672,709,000
Change in foreign currency translation adjustment	112,700,000	(252,100,000)	365,700,000	(379,400,000)
Change in unrealized gain on available-for-sale securities, net of income tax	18,300,000	(37,800,000)	26,700,000	(25,700,000)
Comprehensive income	$ 779,800,000	$ 82,600,000	$ 1,470,500,000	$ 267,600,000