Equity and Comprehensive Income (Details 3) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 28, 2014	Mar. 29, 2013	Mar. 28, 2014	Mar. 29, 2013
Components of Accumulated Other Comprehensive Income (Loss)
Balance as of September 27, 2013			$ (987)
Total other comprehensive loss, net of tax	(11)	(97)	(45)	(81)
Balance as of March 28, 2014	(1,032)		(1,032)
Currency Translation Adjustments
Components of Accumulated Other Comprehensive Income (Loss)
Balance as of September 27, 2013			(521)
Other comprehensive loss before reclassifications, net of tax			(52)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax			0
Total other comprehensive loss, net of tax			(52)
Balance as of March 28, 2014	(573)		(573)
Retirement Plans
Components of Accumulated Other Comprehensive Income (Loss)
Balance as of September 27, 2013			(466)
Other comprehensive loss before reclassifications, net of tax			0
Amounts reclassified from accumulated other comprehensive income (loss), net of tax			7
Total other comprehensive loss, net of tax			7
Balance as of March 28, 2014	(459)		(459)
Accumulated Other Comprehensive Loss
Components of Accumulated Other Comprehensive Income (Loss)
Balance as of September 27, 2013			(987)
Other comprehensive loss before reclassifications, net of tax			(52)
Amounts reclassified from accumulated other comprehensive income (loss), net of tax			7
Total other comprehensive loss, net of tax			(45)	(81)
Balance as of March 28, 2014	$ (1,032)		$ (1,032)