Derivative and Financial Instruments (Notional Amounts of Outstanding Derivative Contracts) (Details) - USD ($) $ in Millions	Dec. 27, 2015	Sep. 27, 2015
Interest Rate Contract [Member]
Derivative [Line Items]
Notional amounts of outstanding derivative contracts	$ 375	$ 125
Cross-Currency Swap [Member]
Derivative [Line Items]
Notional amounts of outstanding derivative contracts	607	717
Foreign Currency Contract - Other [Member]
Derivative [Line Items]
Notional amounts of outstanding derivative contracts	561	577
Coffee Contracts [Member]
Derivative [Line Items]
Notional amounts of outstanding derivative contracts	28	38
Dairy Contracts [Member]
Derivative [Line Items]
Notional amounts of outstanding derivative contracts	65	43
Diesel Fuel Contracts [Member]
Derivative [Line Items]
Notional amounts of outstanding derivative contracts	$ 23	$ 14