Impact of Stock Options/Rights and RSUs on Income (Parenthetical) (Detail) (USD $) In Millions	12 Months Ended
	Oct. 01, 2011	Oct. 02, 2010	Oct. 03, 2009
Compensation Related Costs Share Based Payments Disclosure [Line Items]
Amortization of previously capitalized equity-based compensation	$ 57	$ 131	$ 96