Income Taxes (Details Textuals) (USD $)	3 Months Ended
	Mar. 30, 2014	Mar. 31, 2013
Income Tax (Textuals)
Effective Income Tax Rate, Continuing Operations	12.90%	17.90%
other tax item	$ 398,000,000
Other tax item percent	7.30%
research and development tax credit percent	2.40%
Unrecognized tax benefits	$ 2,300,000,000