Earnings per Share (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended		12 Months Ended
	Jul. 06, 2014	Jul. 07, 2013	Jul. 06, 2014	Jul. 07, 2013	Sep. 29, 2013
Earnings Per Share Reconciliation [Abstract]
Net Income	$ 151	$ 142	$ 451	$ 430	$ 551
Weighted Average Number of Shares Outstanding, Basic	365.0	371.4	369.9	370.9
Weighted Average Number of Shares Outstanding, Diluted	367.2	374.6	372.9	374.2
Basic earnings per share (in dollars per share)	$ 0.41	$ 0.38	$ 1.22	$ 1.16
Diluted earnings per share (in dollars per share)	$ 0.41	$ 0.38	$ 1.21	$ 1.15
Potential common shares outstanding [Abstract]
Incremental Common Shares Attributable to Dilutive Effect of Share-based Awards	2.2	3.2	3.0	3.3