Compensation Expense Related to Stock Options, Stock Appreciation Rights and Restricted Stock Units (RSUs) (Parenthetical) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Amortization of previously capitalized equity-based compensation	$ 14	$ 15	$ 51	$ 39