Earnings per Share (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended
	Apr. 13, 2014	Apr. 14, 2013	Apr. 13, 2014	Apr. 14, 2013	Sep. 29, 2013
Earnings Per Share Reconciliation [Abstract]
Net Income	$ 142	$ 142	$ 300	$ 288	$ 551
Weighted Average Number of Shares Outstanding, Basic	371.5	370.5	372.0	370.7
Weighted Average Number of Shares Outstanding, Diluted	374.5	373.7	375.3	374.1
Basic earnings per share (in dollars per share)	$ 0.38	$ 0.38	$ 0.81	$ 0.78
Diluted earnings per share (in dollars per share)	$ 0.38	$ 0.38	$ 0.80	$ 0.77
Potential common shares outstanding [Abstract]
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	3.0	3.2	3.3	3.4