Compensation Expense Related to Stock Options, Stock Appreciation Rights and Restricted Stock Units - Parenthetical (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Jun. 27, 2015	Jun. 28, 2014
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Amortization of previously capitalized equity-based compensation	$ 12	$ 10	$ 30	$ 37