Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Millions	1 Months Ended		3 Months Ended	9 Months Ended
	Sep. 30, 2015	Jan. 31, 2015	Oct. 03, 2015	Oct. 03, 2015	Sep. 27, 2014	Jan. 18, 2015
Business Acquisition [Line Items]
Payments to acquire business, net of cash and cash equivalents acquired				$ 161	$ 0
Finite-Lived Intangible Assets, Future Amortization Expense [Abstract]
Amortization				6
Estimated annual amortization expense in year one			$ 8	$ 8
Bisco Misr [Member]
Business Acquisition [Line Items]
Payments to Noncontrolling Interests			$ 13
Noncontrolling Interest, Ownership Percentage by Parent			95.00%	95.00%
Payments to acquire business		$ 125
Payments to acquire business, net of cash and cash equivalents acquired		$ 117
Current assets						$ 11
MassFoods [Member]
Business Acquisition [Line Items]
Payments to acquire business	$ 46
Payments to acquire business, net of cash and cash equivalents acquired	$ 44
Current assets			$ 10	$ 10
Property, intangible assets and goodwill			46	46
Current and non-current liabilities			$ 12	$ 12