Derivative and Financial Instruments (Notional Amounts of Outstanding Derivative Contracts) (Details) In Millions, unless otherwise specified	Mar. 29, 2015 Interest Rate Swap [Member] USD ($)	Sep. 28, 2014 Interest Rate Swap [Member] USD ($)	Mar. 29, 2015 Cross-Currency Swap [Member] USD ($)	Mar. 29, 2015 Cross-Currency Swap [Member] JPY (¥)	Sep. 28, 2014 Cross-Currency Swap [Member] USD ($)	Mar. 29, 2015 Foreign Exchange Contract - Other [Member] USD ($)	Sep. 28, 2014 Foreign Exchange Contract - Other [Member] USD ($)	Mar. 29, 2015 Coffee Contracts [Member] USD ($)	Sep. 28, 2014 Coffee Contracts [Member] USD ($)	Mar. 29, 2015 Dairy Contracts [Member] USD ($)	Sep. 28, 2014 Dairy Contracts [Member] USD ($)	Mar. 29, 2015 Diesel Contracts [Member] USD ($)	Sep. 28, 2014 Diesel Contracts [Member] USD ($)
Notional amounts of outstanding derivative contracts	$ 250	$ 0	$ 618	¥ 73,500	$ 0	$ 475	$ 542	$ 36	$ 45	$ 26	$ 24	$ 22	$ 17