Restructuring, Impairment and Integration Charges Other Productivity Charges (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Dec. 26, 2015
Restructuring and Related Activities [Abstract]
Other Productivity Initiatives	$ 16	$ 12	$ 90
Other Productivity Initiatives, After Tax			$ 66
Other Productivity Initiatives, Net of Tax, Per Share Amount			$ 0.04