Goodwill and Other Intangible Assets - Intangible Assets Subject to Amortization (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Apr. 01, 2017
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	$ 201
Purchase price allocation adjustment	2
Currency translation adjustment	1
Gross carrying amount, ending balance	204
Accumulated amortization, beginning balance	67
Amortization	3	$ 2
Currency translation adjustment	0
Accumulated amortization, ending balance	70
Intangible assets subject to amortization net, beginning balance	134
Purchase price allocation adjustment	2
Amortization	(3)	$ (2)
Currency translation adjustment	1
Intangible assets subject to amortization net, ending balance	134
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	12
U.S. Snacks
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	42
Purchase price allocation adjustment	0
Currency translation adjustment	0
Gross carrying amount, ending balance	42
Accumulated amortization, beginning balance	22
Amortization	1
Currency translation adjustment	0
Accumulated amortization, ending balance	23
Intangible assets subject to amortization net, beginning balance	20
Purchase price allocation adjustment	0
Amortization	(1)
Currency translation adjustment	0
Intangible assets subject to amortization net, ending balance	19
U.S. Morning Foods
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	8
Purchase price allocation adjustment	0
Currency translation adjustment	0
Gross carrying amount, ending balance	8
Accumulated amortization, beginning balance	8
Amortization	0
Currency translation adjustment	0
Accumulated amortization, ending balance	8
Intangible assets subject to amortization net, beginning balance	0
Purchase price allocation adjustment	0
Amortization	0
Currency translation adjustment	0
Intangible assets subject to amortization net, ending balance	0
U.S. Specialty
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	0
Purchase price allocation adjustment	0
Currency translation adjustment	0
Gross carrying amount, ending balance	0
Accumulated amortization, beginning balance	0
Amortization	0
Currency translation adjustment	0
Accumulated amortization, ending balance	0
Intangible assets subject to amortization net, beginning balance	0
Purchase price allocation adjustment	0
Amortization	0
Currency translation adjustment	0
Intangible assets subject to amortization net, ending balance	0
North America Other
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	22
Purchase price allocation adjustment	2
Currency translation adjustment	0
Gross carrying amount, ending balance	24
Accumulated amortization, beginning balance	5
Amortization	0
Currency translation adjustment	0
Accumulated amortization, ending balance	5
Intangible assets subject to amortization net, beginning balance	17
Purchase price allocation adjustment	2
Amortization	0
Currency translation adjustment	0
Intangible assets subject to amortization net, ending balance	19
Europe
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	45
Purchase price allocation adjustment	0
Currency translation adjustment	1
Gross carrying amount, ending balance	46
Accumulated amortization, beginning balance	18
Amortization	1
Currency translation adjustment	0
Accumulated amortization, ending balance	19
Intangible assets subject to amortization net, beginning balance	27
Purchase price allocation adjustment	0
Amortization	(1)
Currency translation adjustment	1
Intangible assets subject to amortization net, ending balance	27
Latin America
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	74
Purchase price allocation adjustment	0
Currency translation adjustment	0
Gross carrying amount, ending balance	74
Accumulated amortization, beginning balance	10
Amortization	1
Currency translation adjustment	0
Accumulated amortization, ending balance	11
Intangible assets subject to amortization net, beginning balance	64
Purchase price allocation adjustment	0
Amortization	(1)
Currency translation adjustment	0
Intangible assets subject to amortization net, ending balance	63
Asia Pacific
Finite-lived Intangible Assets [Roll Forward]
Gross carrying amount, beginning balance	10
Purchase price allocation adjustment	0
Currency translation adjustment	0
Gross carrying amount, ending balance	10
Accumulated amortization, beginning balance	4
Amortization	0
Currency translation adjustment	0
Accumulated amortization, ending balance	4
Intangible assets subject to amortization net, beginning balance	6
Purchase price allocation adjustment	0
Amortization	0
Currency translation adjustment	0
Intangible assets subject to amortization net, ending balance	$ 6