Compensation Expense Related to Stock Options, Stock Appreciation Rights and Restricted Stock Units - Parenthetical (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 02, 2016	Mar. 28, 2015	Apr. 02, 2016	Mar. 28, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Amortization of previously capitalized equity-based compensation	$ 17	$ 9	$ 34	$ 18