Equity and Comprehensive Income - Summary of Changes in Each Component of Accumulated Other Comprehensive Loss, Net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 24, 2016	Jun. 26, 2015	Jun. 24, 2016	Jun. 26, 2015
Changes in Each Component of Accumulated other comprehensive Loss, Net of Tax [Roll Forward]
Beginning Balance			$ 4,041
Total other comprehensive income (loss), net of tax	$ 14	$ 28	26	$ (337)
Ending Balance	4,351		4,351
Currency Translation Adjustments
Changes in Each Component of Accumulated other comprehensive Loss, Net of Tax [Roll Forward]
Beginning Balance			(1,233)	(693)
Other comprehensive (loss) income, net of tax			(21)	(349)
Amounts reclassified from accumulated other comprehensive income, net of tax			28	3
Total other comprehensive income (loss), net of tax			7	(346)
Ending Balance	(1,226)	(1,039)	(1,226)	(1,039)
Unrealized (Loss) Gain on Marketable Securities and Derivative Instruments
Changes in Each Component of Accumulated other comprehensive Loss, Net of Tax [Roll Forward]
Beginning Balance			(9)	0
Other comprehensive (loss) income, net of tax			6	0
Amounts reclassified from accumulated other comprehensive income, net of tax			0	(4)
Total other comprehensive income (loss), net of tax			6	(4)
Ending Balance	(3)	(4)	(3)	(4)
Retirement Plans
Changes in Each Component of Accumulated other comprehensive Loss, Net of Tax [Roll Forward]
Beginning Balance			(599)	(532)
Other comprehensive (loss) income, net of tax			0	0
Amounts reclassified from accumulated other comprehensive income, net of tax			13	13
Total other comprehensive income (loss), net of tax			13	13
Ending Balance	(586)	(519)	(586)	(519)
Accumulated Other Comprehensive Loss
Changes in Each Component of Accumulated other comprehensive Loss, Net of Tax [Roll Forward]
Beginning Balance			(1,841)	(1,225)
Other comprehensive (loss) income, net of tax			(15)	(349)
Amounts reclassified from accumulated other comprehensive income, net of tax			41	12
Total other comprehensive income (loss), net of tax			26	(337)
Ending Balance	$ (1,815)	$ (1,562)	$ (1,815)	$ (1,562)