Reportable Segments (Details) $ in Millions		3 Months Ended			9 Months Ended
		Oct. 01, 2016 USD ($)	Oct. 03, 2015 USD ($)		Oct. 01, 2016 USD ($)		Oct. 03, 2015 USD ($)
Segment Reporting Information [Line Items]
Non-cash gain from deconsolidation					$ 0		$ 49
Number of operating segments					9
Number of remaining reportable segments based on geographical locations					3
Net sales		$ 3,254	$ 3,329		$ 9,917		10,383
Operating profit (loss)		410	334		1,297		1,130
Venezuela remeasurement					11		165
Mark-to-market adjustments for pension plans, commodity and foreign currency contracts		(31)	(27)		(35)		(59)
Operating Profit [Member]
Segment Reporting Information [Line Items]
Non-cash gain from deconsolidation							67
Venezuela remeasurement			13		13		115
Operating Segments
Segment Reporting Information [Line Items]
Operating profit (loss)		459	373		1,372		1,239
Operating Segments | U.S. Morning Foods
Segment Reporting Information [Line Items]
Net sales		733	762		2,227		2,280
Operating profit (loss)		144	110		457		368
Operating Segments | U.S. Snacks
Segment Reporting Information [Line Items]
Net sales		796	795		2,431		2,484
Operating profit (loss)		78	62		230		302	[1]
Operating Segments | U.S. Specialty
Segment Reporting Information [Line Items]
Net sales		284	281		931		912
Operating profit (loss)		68	63		214		200
Operating Segments | North America Other
Segment Reporting Information [Line Items]
Net sales		402	426		1,222		1,298
Operating profit (loss)		43	44		135		140
Operating Segments | Europe
Segment Reporting Information [Line Items]
Net sales		594	628		1,821		1,885
Operating profit (loss)		78	73		216		191
Operating Segments | Latin America
Segment Reporting Information [Line Items]
Net sales		197	202		593		825
Operating profit (loss)		27	7	[2]	70	[2]	2	[2]
Operating Segments | Asia Pacific
Segment Reporting Information [Line Items]
Net sales		248	235		692		699
Operating profit (loss)		21	14		50		36
Corporate
Segment Reporting Information [Line Items]
Operating profit (loss)	[3]	$ (49)	$ (39)		$ (75)		$ (109)

[1] ncludes a non-cash gain of $67 million associated with the deconsolidation of a VIE during the year-to-date period ended October 3, 2015.

[2] Includes mark-to-market adjustments for pension plans, commodity and foreign currency contracts totaling $(31) million and ($27) million for the quarters ended October 1, 2016 and October 3, 2015, respectively. Includes mark-to-market adjustments for pension plans, commodity and foreign currency contracts totaling ($35) million and ($59) million for the year-to-date periods ended October 1, 2016 and October 3, 2015, respectively.

[3] Includes mark-to-market adjustments for pension plans, commodity and foreign currency contracts totaling $(31) million and ($27) million for the quarters ended October 1, 2016 and October 3, 2015, respectively. Includes mark-to-market adjustments for pension plans, commodity and foreign currency contracts totaling ($35) million and ($59) million for the year-to-date periods ended October 1, 2016 and October 3, 2015, respectively.