Basis of Presentation and Our Divisions (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 26, 2015 USD ($) country	Dec. 27, 2014 USD ($)	Dec. 28, 2013 USD ($)
Basis Of Presentation And Our Divisions [Line Items]
Operating Profit	$ 8,353	$ 9,581	$ 9,705
Manufacture and sell in (number of countries) \| country	200
Corporate Unallocated Pension Lump Sum Settlement Charges [Domain]
Basis Of Presentation And Our Divisions [Line Items]
Operating Profit	$ 0	(141)	0
FLNA
Basis Of Presentation And Our Divisions [Line Items]
Operating Profit	$ 4,304	4,054	3,877
Stock-based compensation percentage	15.00%
QFNA
Basis Of Presentation And Our Divisions [Line Items]
Operating Profit	$ 560	621	617
Stock-based compensation percentage	2.00%
NAB
Basis Of Presentation And Our Divisions [Line Items]
Operating Profit	$ 2,785	2,421	2,580
Stock-based compensation percentage	23.00%
Latin America
Basis Of Presentation And Our Divisions [Line Items]
Operating Profit	$ (206)	1,636	1,617
Stock-based compensation percentage	7.00%
ESSA
Basis Of Presentation And Our Divisions [Line Items]
Operating Profit	$ 1,081	1,389	1,327
Stock-based compensation percentage	13.00%
AMENA
Basis Of Presentation And Our Divisions [Line Items]
Operating Profit	$ 941	$ 985	$ 1,140
Stock-based compensation percentage	11.00%
Corporate
Basis Of Presentation And Our Divisions [Line Items]
Stock-based compensation percentage	29.00%
Maximum
Basis Of Presentation And Our Divisions [Line Items]
Ownership percentage of certain other affiliates	50.00%