Compensation Expense Related to Stock Options, Stock Appreciation Rights and Restricted Stock Units (RSUs) (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]
Stock options/rights	$ 25	[1]	$ 29	[1]	$ 78	[1]	$ 89	[1]
RSUs	76		77		236		234
Total equity-based compensation expense	101	[2]	106	[2]	314	[2]	323	[2]
Equity-based compensation expense capitalized during the period	$ 14		$ 15		$ 43		$ 42

[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 quarter and nine months ended June 29, 2013, amortization of previously capitalized equity-based compensation totaled $14 million and $51 million, respectively. During the quarter and nine months ended June 30, 2012, amortization of previously capitalized equity-based compensation totaled $15 million and $39 million, respectively.