Goodwill and Other Intangible Assets - Carrying Amount of Goodwill (Details) $ in Millions		6 Months Ended
		Jul. 04, 2015 USD ($)
Change in carrying amount of goodwill
Beginning Balance	[1],[2]	$ 4,971
Additions		59
VIE deconsolidation	[3]	(21)
Currency translation adjustment		(31)
Ending Balance		4,978
U.S. Morning Foods
Change in carrying amount of goodwill
Beginning Balance	[2]	131
Additions		0
VIE deconsolidation	[3]	0
Currency translation adjustment		0
Ending Balance		131
U.S. Snacks
Change in carrying amount of goodwill
Beginning Balance	[2]	3,589
Additions		0
VIE deconsolidation	[3]	(21)
Currency translation adjustment		0
Ending Balance		3,568
U.S. Specialty
Change in carrying amount of goodwill
Beginning Balance	[2]	82
Additions		0
VIE deconsolidation	[3]	0
Currency translation adjustment		0
Ending Balance		82
North America Other
Change in carrying amount of goodwill
Beginning Balance	[2]	465
Additions		0
VIE deconsolidation	[3]	0
Currency translation adjustment		(5)
Ending Balance		460
Europe
Change in carrying amount of goodwill
Beginning Balance	[2]	389
Additions		59
VIE deconsolidation	[3]	0
Currency translation adjustment		(18)
Ending Balance		430
Latin America
Change in carrying amount of goodwill
Beginning Balance	[2]	83
Additions		0
VIE deconsolidation	[3]	0
Currency translation adjustment		(3)
Ending Balance		80
Asia Pacific
Change in carrying amount of goodwill
Beginning Balance	[2]	232
Additions		0
VIE deconsolidation	[3]	0
Currency translation adjustment		(5)
Ending Balance		$ 227

[1] Condensed from audited financial statements.

[2] In conjunction with the establishment of the Kashi operating segment, included within the North America Other reportable segment, goodwill was reallocated on a relative fair value basis. All prior period balances were updated to conform with current presentation. See Note 12 for further discussion.

[3] See discussion regarding VIE deconsolidation in the Noncontrolling interest section of Note 4.