Restructuring, Impairment and Integration Charges 2014 Productivity Plan Charges (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 21, 2015		Mar. 22, 2014
Restructuring Cost and Reserve [Line Items]
2014 Restructuring Benefit	$ 0		$ (3)
2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2014 Restructuring Benefit	30		96
Restructuring Charges After Tax	24		73
Restructuring, Settlement and Impairment Provisions, Net of Tax, Per Share Amount	$ 0.02		$ 0.05
FLNA | 2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2014 Restructuring Benefit	6		12
QFNA | 2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2014 Restructuring Benefit	1		2
LAF | 2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2014 Restructuring Benefit	2		1
PAB | 2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2014 Restructuring Benefit	6		82
Europe | 2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2014 Restructuring Benefit	9		2
AMEA | 2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2014 Restructuring Benefit	2		2
Corporate Unallocated [Member] | 2014 Productivity Plan
Restructuring Cost and Reserve [Line Items]
2014 Restructuring Benefit	$ 4	[1]	$ (5)	[1]

[1] Income amount represents adjustments for changes in estimates of previously recorded amounts.