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Reorganization of Business (Reorganization Of Businesses Accruals) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2016	Jul. 04, 2015	Jul. 02, 2016	Jul. 04, 2015
Restructuring Reserve [Roll Forward]
January 1, 2016			$ 60
Additional Charges			51
Adjustments			(4)
Amount Used			(42)
July 2, 2016	$ 65		65
Exit costs
Restructuring Reserve [Roll Forward]
January 1, 2016			9
Additional Charges	5		5	$ 4
Adjustments			0
Amount Used			(3)
July 2, 2016	11		11
Employee separation costs
Restructuring Reserve [Roll Forward]
January 1, 2016			51
Additional Charges	22	$ 16	46	$ 26
Adjustments			(4)
Amount Used			(39)
July 2, 2016	$ 54		$ 54