Equity-Based Compensation - Impact of Stock Options/Rights and Restricted Stock Units on Income and Cash Flows (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Oct. 01, 2011
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Amortization of previously capitalized equity-based compensation	$ 65	$ 59	$ 57