Recently Issued Accounting Pronouncements (Details) - USD ($) $ in Millions		3 Months Ended	8 Months Ended		12 Months Ended
		Sep. 09, 2017	Sep. 08, 2018	Sep. 09, 2017	Dec. 30, 2017	Dec. 31, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement, Effect of Change on Operating Profit, SG&A		$ 67		$ 201
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Operating Results		69		210
Sales, use, value-added and certain excise taxes assessed by governmental authorities on revenue-producing transactions that were recognized in net revenue and cost of sales		19		58	$ 75
New Accounting Pronouncement, Effect of Change on Operating Profit, Cost of Sales		2		$ 9
Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification			$ 137
income tax effects of intercompany transfers of assets, other than inventory			$ 8
FLNA
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Restructuring and Related Cost, Caption that Includes Restructuring Charges				1
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Operating Results		(9)		$ (29)
Quaker Foods North America [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Operating Results		(1)		(3)
Latin America [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Operating Results		3		4
Europe Sub-Saharan Africa [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Operating Results		(9)		(24)
Asia Middle East and North Africa
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Operating Results		0		$ 0
North America Beverages [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Restructuring and Related Cost, Caption that Includes Restructuring Charges				1
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Operating Results		(4)		$ (12)
Total Division [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Operating Results		$ (69)		$ (210)
Corporate, Non-Segment [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Restructuring and Related Cost, Caption that Includes Restructuring Charges		1		2
New Accounting Pronouncement or Change in Accounting Principle, Effect of Change on Operating Results	[1]	$ (49)		$ (146)
Pension Plan [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification					$ 233	$ (19)

[1] Includes restructuring charges of $1 million for the 12 and 36 weeks ended September 9, 2017.