Goodwill and Other Intangible Assets - Intangible Assets Subject to Amortization (Details) - USD ($) $ in Millions		6 Months Ended
		Jul. 04, 2015	Jun. 28, 2014
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance		$ 132
Additions		4
VIE deconsolidation	[1]	(23)
Currency translation adjustment		(1)
Gross carrying amount, ending balance		112
Accumulated amortization, beginning balance	[2]	43
VIE deconsolidation	[1]	(4)
Amortization		4	$ 4
Accumulated amortization, ending balance		43
Intangible assets subject to amortization net, beginning balance		89
Additions		4
VIE deconsolidation	[1]	(19)
Currency translation adjustment		(1)
Amortization		(4)	$ (4)
Intangible assets subject to amortization net, ending balance		69
U.S. Morning Foods
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance		8
Additions		0
VIE deconsolidation	[1]	0
Currency translation adjustment		0
Gross carrying amount, ending balance		8
Accumulated amortization, beginning balance		8
VIE deconsolidation	[1]	0
Amortization		0
Accumulated amortization, ending balance		8
Intangible assets subject to amortization net, beginning balance		0
Additions		0
VIE deconsolidation	[1]	0
Currency translation adjustment		0
Amortization		0
Intangible assets subject to amortization net, ending balance		0
U.S. Snacks
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance		65
Additions		0
VIE deconsolidation	[1]	(23)
Currency translation adjustment		0
Gross carrying amount, ending balance		42
Accumulated amortization, beginning balance		16
VIE deconsolidation	[1]	(4)
Amortization		2
Accumulated amortization, ending balance		14
Intangible assets subject to amortization net, beginning balance		49
Additions		0
VIE deconsolidation	[1]	(19)
Currency translation adjustment		0
Amortization		(2)
Intangible assets subject to amortization net, ending balance		28
U.S. Specialty
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance		0
Additions		0
VIE deconsolidation	[1]	0
Currency translation adjustment		0
Gross carrying amount, ending balance		0
Accumulated amortization, beginning balance		0
VIE deconsolidation	[1]	0
Amortization		0
Accumulated amortization, ending balance		0
Intangible assets subject to amortization net, beginning balance		0
Additions		0
VIE deconsolidation	[1]	0
Currency translation adjustment		0
Amortization		0
Intangible assets subject to amortization net, ending balance		0
North America Other
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance		5
Additions		0
VIE deconsolidation	[1]	0
Currency translation adjustment		0
Gross carrying amount, ending balance		5
Accumulated amortization, beginning balance		4
VIE deconsolidation	[1]	0
Amortization		0
Accumulated amortization, ending balance		4
Intangible assets subject to amortization net, beginning balance		1
Additions		0
VIE deconsolidation	[1]	0
Currency translation adjustment		0
Amortization		0
Intangible assets subject to amortization net, ending balance		1
Europe
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance		38
Additions		4
VIE deconsolidation	[1]	0
Currency translation adjustment		(1)
Gross carrying amount, ending balance		41
Accumulated amortization, beginning balance		7
VIE deconsolidation	[1]	0
Amortization		2
Accumulated amortization, ending balance		9
Intangible assets subject to amortization net, beginning balance		31
Additions		4
VIE deconsolidation	[1]	0
Currency translation adjustment		(1)
Amortization		(2)
Intangible assets subject to amortization net, ending balance		32
Latin America
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance		6
Additions		0
VIE deconsolidation	[1]	0
Currency translation adjustment		0
Gross carrying amount, ending balance		6
Accumulated amortization, beginning balance		6
VIE deconsolidation	[1]	0
Amortization		0
Accumulated amortization, ending balance		6
Intangible assets subject to amortization net, beginning balance		0
Additions		0
VIE deconsolidation	[1]	0
Currency translation adjustment		0
Amortization		0
Intangible assets subject to amortization net, ending balance		0
Asia Pacific
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance		10
Additions		0
VIE deconsolidation	[1]	0
Currency translation adjustment		0
Gross carrying amount, ending balance		10
Accumulated amortization, beginning balance		2
VIE deconsolidation	[1]	0
Amortization		0
Accumulated amortization, ending balance		2
Intangible assets subject to amortization net, beginning balance		8
Additions		0
VIE deconsolidation	[1]	0
Currency translation adjustment		0
Amortization		0
Intangible assets subject to amortization net, ending balance		$ 8

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

[2] Condensed from audited financial statements.