Acquisitions, Goodwill and Other Intangible Assets (Intangible Assets Subject to Amortization) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 29, 2012		Dec. 31, 2011
Finite Lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	$ 60		$ 60
Currency translation adjustment	2
Gross carrying amount, ending balance	163		60
Accumulated amortization, beginning balance	49		47
Amortization expense	4	[1]	2
Accumulated amortization, ending balance	53		49
Intangible assets subject to amortization net, beginning balance	11		13
Amortization expense	(4)	[1]	(2)
Currency translation adjustment, Net	2
Intangible assets subject to amortization net, ending balance	110		11
FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract
Estimated aggregate annual amortization expense for next twelve months	7
Estimated aggregate annual amortization expense for year two	7
Estimated aggregate annual amortization expense for year three	7
Estimated aggregate annual amortization expense for year four	7
Estimated aggregate annual amortization expense for year five	7
U.S. Morning Foods and Kashi [Member]
Finite Lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	33		33
Currency translation adjustment	0
Gross carrying amount, ending balance	33		33
Accumulated amortization, beginning balance	31		30
Amortization expense	0	[1]	1
Accumulated amortization, ending balance	31		31
Intangible assets subject to amortization net, beginning balance	2		3
Amortization expense	0	[1]	(1)
Currency translation adjustment, Net	0
Intangible assets subject to amortization net, ending balance	2		2
U.S. Snacks [Member]
Finite Lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	18		18
Currency translation adjustment	0
Gross carrying amount, ending balance	70		18
Accumulated amortization, beginning balance	9		8
Amortization expense	3	[1]	1
Accumulated amortization, ending balance	12		9
Intangible assets subject to amortization net, beginning balance	9		10
Amortization expense	(3)	[1]	(1)
Currency translation adjustment, Net	0
Intangible assets subject to amortization net, ending balance	58		9
U.S. Specialty [Member]
Finite Lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	0		0
Currency translation adjustment	0
Gross carrying amount, ending balance	0		0
Accumulated amortization, beginning balance	0		0
Amortization expense	0	[1]	0
Accumulated amortization, ending balance	0		0
Intangible assets subject to amortization net, beginning balance	0		0
Amortization expense	0	[1]	0
Currency translation adjustment, Net	0
Intangible assets subject to amortization net, ending balance	0		0
North America Other [Member]
Finite Lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	0		0
Currency translation adjustment	0
Gross carrying amount, ending balance	0		0
Accumulated amortization, beginning balance	0		0
Amortization expense	0	[1]	0
Accumulated amortization, ending balance	0		0
Intangible assets subject to amortization net, beginning balance	0		0
Amortization expense	0	[1]	0
Currency translation adjustment, Net	0
Intangible assets subject to amortization net, ending balance	0		0
Europe [Member]
Finite Lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	2		2
Currency translation adjustment	2
Gross carrying amount, ending balance	43		2
Accumulated amortization, beginning balance	2		2
Amortization expense	1	[1]	0
Accumulated amortization, ending balance	3		2
Intangible assets subject to amortization net, beginning balance	0		0
Amortization expense	(1)	[1]	0
Currency translation adjustment, Net	2
Intangible assets subject to amortization net, ending balance	40		0
Latin America [Member]
Finite Lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	7		7
Currency translation adjustment	0
Gross carrying amount, ending balance	7		7
Accumulated amortization, beginning balance	7		7
Amortization expense	0	[1]	0
Accumulated amortization, ending balance	7		7
Intangible assets subject to amortization net, beginning balance	0		0
Amortization expense	0	[1]	0
Currency translation adjustment, Net	0
Intangible assets subject to amortization net, ending balance	0		0
Asia Pacific [Member]
Finite Lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	0		0
Currency translation adjustment	0
Gross carrying amount, ending balance	10		0
Accumulated amortization, beginning balance	0		0
Amortization expense	0	[1]	0
Accumulated amortization, ending balance	0		0
Intangible assets subject to amortization net, beginning balance	0		0
Amortization expense	0	[1]	0
Currency translation adjustment, Net	0
Intangible assets subject to amortization net, ending balance	10		0
Pringles Customer Relationships [Member]
Finite Lived Intangible Assets [Roll Forward]
Finite Lived Intangible Assets Acquired	79
Finite Lived Intangible Assets Acquired Net Of Amortization	79
Pringles Customer Relationships [Member] | U.S. Morning Foods and Kashi [Member]
Finite Lived Intangible Assets [Roll Forward]
Finite Lived Intangible Assets Acquired	0
Finite Lived Intangible Assets Acquired Net Of Amortization	0
Pringles Customer Relationships [Member] | U.S. Snacks [Member]
Finite Lived Intangible Assets [Roll Forward]
Finite Lived Intangible Assets Acquired	30
Finite Lived Intangible Assets Acquired Net Of Amortization	30
Pringles Customer Relationships [Member] | U.S. Specialty [Member]
Finite Lived Intangible Assets [Roll Forward]
Finite Lived Intangible Assets Acquired	0
Finite Lived Intangible Assets Acquired Net Of Amortization	0
Pringles Customer Relationships [Member] | North America Other [Member]
Finite Lived Intangible Assets [Roll Forward]
Finite Lived Intangible Assets Acquired	0
Finite Lived Intangible Assets Acquired Net Of Amortization	0
Pringles Customer Relationships [Member] | Europe [Member]
Finite Lived Intangible Assets [Roll Forward]
Finite Lived Intangible Assets Acquired	39
Finite Lived Intangible Assets Acquired Net Of Amortization	39
Pringles Customer Relationships [Member] | Latin America [Member]
Finite Lived Intangible Assets [Roll Forward]
Finite Lived Intangible Assets Acquired	0
Finite Lived Intangible Assets Acquired Net Of Amortization	0
Pringles Customer Relationships [Member] | Asia Pacific [Member]
Finite Lived Intangible Assets [Roll Forward]
Finite Lived Intangible Assets Acquired	10
Finite Lived Intangible Assets Acquired Net Of Amortization	10
Other Intangible Assets [Member]
Finite Lived Intangible Assets [Roll Forward]
Finite Lived Intangible Assets Acquired	22
Other Intangible Assets [Member] | U.S. Morning Foods and Kashi [Member]
Finite Lived Intangible Assets [Roll Forward]
Finite Lived Intangible Assets Acquired	0
Other Intangible Assets [Member] | U.S. Snacks [Member]
Finite Lived Intangible Assets [Roll Forward]
Finite Lived Intangible Assets Acquired	22
Other Intangible Assets [Member] | U.S. Specialty [Member]
Finite Lived Intangible Assets [Roll Forward]
Finite Lived Intangible Assets Acquired	0
Other Intangible Assets [Member] | North America Other [Member]
Finite Lived Intangible Assets [Roll Forward]
Finite Lived Intangible Assets Acquired	0
Other Intangible Assets [Member] | Europe [Member]
Finite Lived Intangible Assets [Roll Forward]
Finite Lived Intangible Assets Acquired	0
Other Intangible Assets [Member] | Latin America [Member]
Finite Lived Intangible Assets [Roll Forward]
Finite Lived Intangible Assets Acquired	0
Other Intangible Assets [Member] | Asia Pacific [Member]
Finite Lived Intangible Assets [Roll Forward]
Finite Lived Intangible Assets Acquired	$ 0

[1] (a) The currently estimated aggregate amortization expense for each of the next five succeeding fiscal periods is approximately $7 million per year.