Goodwill and Other Intangible Assets Schedule of Acquired Assets and Assumed Liabilities (Details) - USD ($) $ in Millions	Dec. 30, 2017	Oct. 27, 2017	Dec. 31, 2016	Dec. 01, 2016	Jan. 02, 2016	Jan. 18, 2015
Business Acquisition [Line Items]
Goodwill	$ 5,504		$ 5,166		$ 4,968
RXBAR
Business Acquisition [Line Items]
Current assets		$ 43
Goodwill		375
Intangible assets and other		201
Current liabilities		(23)
Net assets acquired (liabilities assumed), net		$ 596
Ritmo Investimentos
Business Acquisition [Line Items]
Current assets				$ 44
Property				72
Goodwill				165
Intangible assets and other				148
Current liabilities				(48)
Other non current liabilities, primarily deferred taxes				(6)
Net assets acquired (liabilities assumed), net				$ 375
Bisco Misr
Business Acquisition [Line Items]
Current assets						$ 11
Property						79
Goodwill						59
Intangible assets and other						30
Current liabilities						(15)
Other non current liabilities, primarily deferred taxes						(27)
Non-controlling interests						(20)
Net assets acquired (liabilities assumed), net						$ 117