Inventories (Narrative) (Details) $ in Millions	3 Months Ended
	Mar. 27, 2016 USD ($)
Fixed Price Contract [Member]
Inventory [Line Items]
Amount of coffee committed to be purchased	$ 607
Price-to-be-fixed Contract [Member]
Inventory [Line Items]
Amount of coffee committed to be purchased	423
Future [Member] | Price-to-be-fixed Contract [Member]
Inventory [Line Items]
Notional amounts of outstanding derivative contracts	$ 28