Basis of Presentation and Our Divisions (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 30, 2017 USD ($) country	Dec. 31, 2016 USD ($)	Dec. 26, 2015 USD ($)
Basis Of Presentation And Our Divisions [Line Items]
Venezuela impairment charges | $	$ 0	$ 0	$ 1,359
Manufacture and sell in (number of countries) | country	200
FLNA
Basis Of Presentation And Our Divisions [Line Items]
Stock-based compensation percentage	13.00%	14.00%
QFNA
Basis Of Presentation And Our Divisions [Line Items]
Stock-based compensation percentage	1.00%	2.00%
NAB
Basis Of Presentation And Our Divisions [Line Items]
Stock-based compensation percentage	18.00%	22.00%
Latin America
Basis Of Presentation And Our Divisions [Line Items]
Stock-based compensation percentage	7.00%	7.00%
ESSA
Basis Of Presentation And Our Divisions [Line Items]
Stock-based compensation percentage	9.00%	11.00%
AMENA
Basis Of Presentation And Our Divisions [Line Items]
Stock-based compensation percentage	9.00%	10.00%
Corporate
Basis Of Presentation And Our Divisions [Line Items]
Stock-based compensation percentage	43.00%	34.00%
Maximum
Basis Of Presentation And Our Divisions [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	50.00%