Goodwill and Other Intangible Assets (Intangible Assets Subject to Amortization) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 30, 2013		Mar. 31, 2012
Finite Lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	$ 163
Currency translation adjustment	(1)
Gross carrying amount, ending balance	162
Accumulated amortization, beginning balance	53	[1]
Amortization expense	2		1
Accumulated amortization, ending balance	55
Intangible assets subject to amortization net, beginning balance	110
Currency translation adjustment	(1)
Amortization expense	(2)		(1)
Intangible assets subject to amortization net, ending balance	107
U.S. Morning Foods [Member]
Finite Lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	28
Currency translation adjustment	0
Gross carrying amount, ending balance	28
Accumulated amortization, beginning balance	28
Amortization expense	0
Accumulated amortization, ending balance	28
Intangible assets subject to amortization net, beginning balance	0
Currency translation adjustment	0
Amortization expense	0
Intangible assets subject to amortization net, ending balance	0
U.S. Snacks [Member]
Finite Lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	70
Currency translation adjustment	0
Gross carrying amount, ending balance	70
Accumulated amortization, beginning balance	12
Amortization expense	1
Accumulated amortization, ending balance	13
Intangible assets subject to amortization net, beginning balance	58
Currency translation adjustment	0
Amortization expense	(1)
Intangible assets subject to amortization net, ending balance	57
U.S. Specialty [Member]
Finite Lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	0
Currency translation adjustment	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
Currency translation adjustment	0
Amortization expense	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	5
Currency translation adjustment	0
Gross carrying amount, ending balance	5
Accumulated amortization, beginning balance	3
Amortization expense	0
Accumulated amortization, ending balance	3
Intangible assets subject to amortization net, beginning balance	2
Currency translation adjustment	0
Amortization expense	0
Intangible assets subject to amortization net, ending balance	2
Europe [Member]
Finite Lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	43
Currency translation adjustment	(1)
Gross carrying amount, ending balance	42
Accumulated amortization, beginning balance	3
Amortization expense	1
Accumulated amortization, ending balance	4
Intangible assets subject to amortization net, beginning balance	40
Currency translation adjustment	(1)
Amortization expense	(1)
Intangible assets subject to amortization net, ending balance	38
Latin America [Member]
Finite Lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	7
Currency translation adjustment	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
Currency translation adjustment	0
Amortization expense	0
Intangible assets subject to amortization net, ending balance	0
Asia Pacific [Member]
Finite Lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	10
Currency translation adjustment	0
Gross carrying amount, ending balance	10
Accumulated amortization, beginning balance	0
Amortization expense	0
Accumulated amortization, ending balance	0
Intangible assets subject to amortization net, beginning balance	10
Currency translation adjustment	0
Amortization expense	0
Intangible assets subject to amortization net, ending balance	$ 10

[1] * Condensed from audited financial statements.