Restructuring, Impairment and Integration Charges 2014 Productivity Plan Activity (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 11, 2016	Jun. 13, 2015	Jun. 11, 2016	Jun. 13, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions	$ 49	$ 25	$ 79	$ 61
Cash payments for restructuring charges			(67)	(107)
Other Restructuring Costs	(3)	10	(2)	10
Total restructuring and impairment charges and other productivity initiatives	46	35	77	71
2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve - Period Start			81
Restructuring, Settlement and Impairment Provisions	49	21	79	51
Cash payments for restructuring charges			50
Restructuring Reserve, Settled without Cash			12
Restructuring Reserve - Period End	98		98
Restructuring Charges After Tax	$ 31	$ 16	$ 56	$ 39
Restructuring, Settlement and Impairment Provisions, Net of Tax, Per Share Amount	$ 0.02	$ 0.01	$ 0.04	$ 0.03
Productivity Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring, Settlement and Impairment Provisions	$ 0	$ 4	$ 0	$ 10
Cash payments for restructuring charges			(17)
Restructuring Reserve - Period End	20		20
Restructuring Charges After Tax		$ 3		$ 9
Restructuring, Settlement and Impairment Provisions, Net of Tax, Per Share Amount				$ 0.01
Employee Severance [Member] | 2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve - Period Start			61
Restructuring, Settlement and Impairment Provisions			42
Cash payments for restructuring charges			20
Restructuring Reserve, Settled without Cash			(3)
Restructuring Reserve - Period End	86		86
Asset Impairment [Member] | 2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve - Period Start			0
Restructuring, Settlement and Impairment Provisions			16
Cash payments for restructuring charges			0
Restructuring Reserve, Settled without Cash			16
Restructuring Reserve - Period End	0		0
Other Costs [Member] | 2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve - Period Start			20
Restructuring, Settlement and Impairment Provisions			21
Cash payments for restructuring charges			30
Restructuring Reserve, Settled without Cash			(1)
Restructuring Reserve - Period End	$ 12		$ 12