Compensation Expense Related to Stock Options, Stock Appreciation Rights and Restricted Stock Units (RSUs) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 28, 2013		Dec. 29, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options/rights	$ 25	[1]	$ 25	[1]
RSUs	74		76
Total equity-based compensation expense	99	[2]	101	[2]
Equity-based compensation expense capitalized during the period	$ 14		$ 14

[1] Includes stock appreciation rights.

[2] Equity-based compensation expense is net of capitalized equity-based compensation and excludes amortization of previously capitalized equity-based compensation costs. During the quarters ended December 28, 2013 and December 29, 2012, amortization of previously capitalized equity-based compensation totaled $13 million and $24 million, respectively.