Goodwill and Other Intangible Assets Intangible Assets Subject to Amortization (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 30, 2017		Dec. 31, 2016
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	$ 141		$ 116
Additions	17		29
Purchase price allocation adjustment	39
Currency translation adjustment	4		(4)
Gross carrying amount, ending balance	201		141
Accumulated amortization, beginning balance	54		47
Amortization (a)	12	[1]	7
Currency translation adjustment accumulated amortization	1
Accumulated amortization, ending balance	67		54
Intangible assets subject to amortization net, beginning balance	87		69
Additions	17		29
Amortization	(12)	[1]	(7)
Purchase price allocation adjustment net	39
Currency translation adjustment net	3		(4)
Intangible assets subject to amortization net, ending balance	134		87
Estimated aggregate annual amortization expense for next twelve months	12
Estimated aggregate annual amortization expense for year two	11
Estimated aggregate annual amortization expense for year three	11
Estimated aggregate annual amortization expense for year four	11
Estimated aggregate annual amortization expense for year five	11
U.S. Morning Foods
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	8		8
Additions	0		0
Purchase price allocation adjustment	0
Currency translation adjustment	0		0
Gross carrying amount, ending balance	8		8
Accumulated amortization, beginning balance	8		8
Amortization (a)	0	[1]	0
Currency translation adjustment accumulated amortization	0
Accumulated amortization, ending balance	8		8
Intangible assets subject to amortization net, beginning balance	0		0
Additions	0		0
Amortization	0	[1]	0
Purchase price allocation adjustment net	0
Currency translation adjustment net	0		0
Intangible assets subject to amortization net, ending balance	0		0
U.S. Snacks
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	42		42
Additions	0		0
Purchase price allocation adjustment	0
Currency translation adjustment	0		0
Gross carrying amount, ending balance	42		42
Accumulated amortization, beginning balance	19		16
Amortization (a)	3	[1]	3
Currency translation adjustment accumulated amortization	0
Accumulated amortization, ending balance	22		19
Intangible assets subject to amortization net, beginning balance	23		26
Additions	0		0
Amortization	(3)	[1]	(3)
Purchase price allocation adjustment net	0
Currency translation adjustment net	0		0
Intangible assets subject to amortization net, ending balance	20		23
U.S. Specialty
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	0		0
Additions	0		0
Purchase price allocation adjustment	0
Currency translation adjustment	0		0
Gross carrying amount, ending balance	0		0
Accumulated amortization, beginning balance	0		0
Amortization (a)	0	[1]	0
Currency translation adjustment accumulated amortization	0
Accumulated amortization, ending balance	0		0
Intangible assets subject to amortization net, beginning balance	0		0
Additions	0		0
Amortization	0	[1]	0
Purchase price allocation adjustment net	0
Currency translation adjustment net	0		0
Intangible assets subject to amortization net, ending balance	0		0
North America Other
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	5		5
Additions	17		0
Purchase price allocation adjustment	0
Currency translation adjustment	0		0
Gross carrying amount, ending balance	22		5
Accumulated amortization, beginning balance	4		4
Amortization (a)	1	[1]	0
Currency translation adjustment accumulated amortization	0
Accumulated amortization, ending balance	5		4
Intangible assets subject to amortization net, beginning balance	1		1
Additions	17		0
Amortization	(1)	[1]	0
Purchase price allocation adjustment net	0
Currency translation adjustment net	0		0
Intangible assets subject to amortization net, ending balance	17		1
Europe
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	40		45
Additions	0		0
Purchase price allocation adjustment	0
Currency translation adjustment	5		(5)
Gross carrying amount, ending balance	45		40
Accumulated amortization, beginning balance	14		11
Amortization (a)	3	[1]	3
Currency translation adjustment accumulated amortization	1
Accumulated amortization, ending balance	18		14
Intangible assets subject to amortization net, beginning balance	26		34
Additions	0		0
Amortization	(3)	[1]	(3)
Purchase price allocation adjustment net	0
Currency translation adjustment net	4		(5)
Intangible assets subject to amortization net, ending balance	27		26
Latin America
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	36		6
Additions	0		29
Purchase price allocation adjustment	39
Currency translation adjustment	(1)		1
Gross carrying amount, ending balance	74		36
Accumulated amortization, beginning balance	6		6
Amortization (a)	4	[1]	0
Currency translation adjustment accumulated amortization	0
Accumulated amortization, ending balance	10		6
Intangible assets subject to amortization net, beginning balance	30		0
Additions	0		29
Amortization	(4)	[1]	0
Purchase price allocation adjustment net	39
Currency translation adjustment net	(1)		1
Intangible assets subject to amortization net, ending balance	64		30
Asia Pacific
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	10		10
Additions	0		0
Purchase price allocation adjustment	0
Currency translation adjustment	0		0
Gross carrying amount, ending balance	10		10
Accumulated amortization, beginning balance	3		2
Amortization (a)	1	[1]	1
Currency translation adjustment accumulated amortization	0
Accumulated amortization, ending balance	4		3
Intangible assets subject to amortization net, beginning balance	7		8
Additions	0		0
Amortization	(1)	[1]	(1)
Purchase price allocation adjustment net	0
Currency translation adjustment net	0		0
Intangible assets subject to amortization net, ending balance	$ 6		$ 7

[1] The currently estimated aggregate amortization expense for each of the next five succeeding fiscal periods is approximately $12 million for 2018 and $11 million per year thereafter through 2022.