Reportable Segments (Details) $ in Millions		3 Months Ended			6 Months Ended
		Jul. 02, 2016 USD ($)	Jul. 04, 2015 USD ($)		Jul. 02, 2016 USD ($)	Jul. 04, 2015 USD ($)
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		$ 3,268	$ 3,498		$ 6,663	7,054
Operating profit (loss)		449	412		887	796
Venezuela remeasurement					11	152
Mark-to-market adjustments for pension plans, commodity and foreign currency contracts		20	35		(4)	(32)
Operating Profit [Member]
Segment Reporting Information [Line Items]
Non-cash gain from deconsolidation			67			67
Venezuela remeasurement		7	103		13	103
Operating Segments
Segment Reporting Information [Line Items]
Operating profit (loss)		441	398		913	866
Operating Segments | U.S. Morning Foods
Segment Reporting Information [Line Items]
Net sales		727	742		1,494	1,518
Operating profit (loss)		165	131		313	258
Operating Segments | U.S. Snacks
Segment Reporting Information [Line Items]
Net sales		803	835		1,635	1,689
Operating profit (loss)		69	160	[1]	152	240	[1]
Operating Segments | U.S. Specialty
Segment Reporting Information [Line Items]
Net sales		271	270		647	631
Operating profit (loss)		60	59		146	137
Operating Segments | North America Other
Segment Reporting Information [Line Items]
Net sales		406	439		820	872
Operating profit (loss)		47	37		92	96
Operating Segments | Europe
Segment Reporting Information [Line Items]
Net sales		629	650		1,227	1,257
Operating profit (loss)		68	57		138	118
Operating Segments | Latin America
Segment Reporting Information [Line Items]
Net sales		204	328		396	623
Operating profit (loss)	[2]	20	(56)		43	(5)
Operating Segments | Asia Pacific
Segment Reporting Information [Line Items]
Net sales		228	234		444	464
Operating profit (loss)		12	10		29	22
Corporate
Segment Reporting Information [Line Items]
Operating profit (loss)	[3]	$ 8	$ 14		$ (26)	$ (70)

[1] ncludes a non-cash gain of $67 million associated with the deconsolidation of a VIE during the quarter and year-to-date period ended July 4, 2015.

[2] Includes mark-to-market adjustments for pension plans, commodity and foreign currency contracts totaling $20 million and $35 million for the quarters ended July 2, 2016 and July 4, 2015, respectively. Includes mark-to-market adjustments for pension plans, commodity and foreign currency contracts totaling ($4) million and ($32) million for the year-to-date periods ended July 2, 2016 and July 4, 2015, respectively.

[3] Includes mark-to-market adjustments for pension plans, commodity and foreign currency contracts totaling $20 million and $35 million for the quarters ended July 2, 2016 and July 4, 2015, respectively. Includes mark-to-market adjustments for pension plans, commodity and foreign currency contracts totaling ($4) million and ($32) million for the year-to-date periods ended July 2, 2016 and July 4, 2015, respectively.