Acquisitions, Goodwill and Other Intangible Assets (Intangible Assets Subject to Amortization) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2012		Jul. 02, 2011
Finite Lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	$ 60
Pringles customer relationships	9
Gross carrying amount, ending balance	69
Accumulated amortization, beginning balance	49	[1]
Amortization expense	0		1
Accumulated amortization, ending balance	49
Intangible assets subject to amortization net, beginning balance	11
Pringles customer relationships, net of amortization	9
Intangible assets subject to amortization net, ending balance	20
U.S. Morning Foods and Kashi [Member]
Finite Lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	33
Pringles customer relationships	0
Gross carrying amount, ending balance	33
Accumulated amortization, beginning balance	31
Amortization expense	0
Accumulated amortization, ending balance	31
Intangible assets subject to amortization net, beginning balance	2
Pringles customer relationships, net of amortization	0
Intangible assets subject to amortization net, ending balance	2
U.S. Snacks [Member]
Finite Lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	18
Pringles customer relationships	3
Gross carrying amount, ending balance	21
Accumulated amortization, beginning balance	9
Amortization expense	0
Accumulated amortization, ending balance	9
Intangible assets subject to amortization net, beginning balance	9
Pringles customer relationships, net of amortization	3
Intangible assets subject to amortization net, ending balance	12
U.S. Specialty [Member]
Finite Lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	0
Pringles customer relationships	0
Gross carrying amount, ending balance	0
Accumulated amortization, beginning balance	0
Amortization expense	0
Accumulated amortization, ending balance	0
Intangible assets subject to amortization net, beginning balance	0
Pringles customer relationships, net of amortization	0
Intangible assets subject to amortization net, ending balance	0
North America Other [Member]
Finite Lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	0
Pringles customer relationships	0
Gross carrying amount, ending balance	0
Accumulated amortization, beginning balance	0
Amortization expense	0
Accumulated amortization, ending balance	0
Intangible assets subject to amortization net, beginning balance	0
Pringles customer relationships, net of amortization	0
Intangible assets subject to amortization net, ending balance	0
Europe [Member]
Finite Lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	2
Pringles customer relationships	5
Gross carrying amount, ending balance	7
Accumulated amortization, beginning balance	2
Amortization expense	0
Accumulated amortization, ending balance	2
Intangible assets subject to amortization net, beginning balance	0
Pringles customer relationships, net of amortization	5
Intangible assets subject to amortization net, ending balance	5
Latin America [Member]
Finite Lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	7
Pringles customer relationships	0
Gross carrying amount, ending balance	7
Accumulated amortization, beginning balance	7
Amortization expense	0
Accumulated amortization, ending balance	7
Intangible assets subject to amortization net, beginning balance	0
Pringles customer relationships, net of amortization	0
Intangible assets subject to amortization net, ending balance	0
Asia Pacific [Member]
Finite Lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	0
Pringles customer relationships	1
Gross carrying amount, ending balance	1
Accumulated amortization, beginning balance	0
Amortization expense	0
Accumulated amortization, ending balance	0
Intangible assets subject to amortization net, beginning balance	0
Pringles customer relationships, net of amortization	1
Intangible assets subject to amortization net, ending balance	$ 1

[1] * Condensed from audited financial statements.