Reorganization of Business (Reorganization Of Businesses Accruals) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014
Restructuring Reserve [Roll Forward]
January 1, 2015			$ 57,000,000
Additional Charges			40,000,000
Adjustments			(5,000,000)
Amount Used			(53,000,000)
October 3, 2015	$ 39,000,000		39,000,000
Exit costs
Restructuring Reserve [Roll Forward]
January 1, 2015			0
Additional Charges			4,000,000	$ 4,000,000
Adjustments			0
Amount Used			(1,000,000)
October 3, 2015	3,000,000		3,000,000
Employee separation costs
Restructuring Reserve [Roll Forward]
January 1, 2015			57,000,000
Additional Charges	11,000,000	$ 20,000,000	36,000,000	$ 54,000,000
Adjustments			(5,000,000)
Amount Used			(52,000,000)
October 3, 2015	$ 36,000,000		$ 36,000,000