Reconciliation of Segment Operating Income to Income before Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 28, 2013	Dec. 29, 2012
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment operating income	$ 3,020	$ 2,380
Corporate and unallocated shared expenses	(116)	(123)
Restructuring and impairment charges	(19)	0
Other income/(expense), net	6	(102)
Interest income/(expense), net	49	(72)
Hulu Equity Redemption charge	0	(55)
Income before income taxes	$ 2,940	$ 2,028