Restructuring, Impairment and Integration Charges Summary of Restructuring and Impairment Charges (Details) - 2014 Productivity Plan [Member] [Member] - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 17, 2017	Jun. 11, 2016	Jun. 17, 2017	Jun. 11, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions	$ 34	$ 49	$ 61	$ 79
Restructuring, Settlement and Impairment Provisions, After Tax	$ 31	$ 31	$ 58	$ 56
Restructuring, Settlement and Impairment Provisions, Net of Tax, Per Share Amount	$ 0.02	$ 0.02	$ 0.04	$ 0.04