Compensation Expense Related to Stock Options, Stock Appreciation Rights and Restricted Stock Units (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Apr. 02, 2016	Mar. 28, 2015	Apr. 02, 2016	Mar. 28, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options/rights	[1]	$ 23	$ 27	$ 46	$ 52
RSUs		76	83	159	162
Total equity-based compensation expense	[2]	99	110	205	214
Equity-based compensation expense capitalized during the period		$ 19	$ 14	$ 34	$ 29

[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 six months ended April 2, 2016, amortization of previously capitalized equity-based compensation totaled $17 million and $34 million, respectively. During the quarter and six months ended March 28, 2015, amortization of previously capitalized equity-based compensation totaled $9 million and $18 million, respectively.