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. 28, 2014		Jun. 29, 2013		Jun. 28, 2014		Jun. 29, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options/rights	$ 25	[1]	$ 25	[1]	$ 76	[1]	$ 78	[1]
RSUs	77		76		237		236
Total equity-based compensation expense	102	[2]	101	[2]	313	[2]	314	[2]
Equity-based compensation expense capitalized during the period	$ 10		$ 14		$ 39		$ 43

[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 28, 2014, amortization of previously capitalized equity-based compensation totaled $10 million and $37 million, respectively. During the quarter and nine months ended June 29, 2013, amortization of previously capitalized equity-based compensation totaled $14 million and $51 million, respectively.