Equity (Schedule of Tangible Equity Units) (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Oct. 01, 2016	Oct. 03, 2015	Sep. 27, 2014
Equity [Abstract]
Price per TEU, Equity Component (in dollars per share)			$ 43.17
Price per TEU, Debt Component (in dollars per share)			6.83
Price per TEU, Total (in dollars per share)			$ 50
Gross Proceeds, Equity Component			$ 1,295
Gross Proceeds, Debt Component	$ 0	$ 0	205
Gross Proceeds, Total			1,500
Issuance cost, Equity Component			(40)
Issuance cost, Debt Component			(6)
Issuance cost, Total			(46)
Net proceeds, Equity Component	$ 0	$ 0	1,255
Net proceeds, Debt Component			199
Net proceeds, Total			$ 1,454