Reconciliation of Segment Operating Income to Income before Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 29, 2012	Dec. 31, 2011
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment operating income	$ 2,380	$ 2,444
Corporate and unallocated shared expenses	(123)	(107)
Restructuring and impairment charges	0	(6)
Other income/(expense), net	(102)	0
Net interest expense	(72)	(90)
Hulu Equity Redemption charge	(55)	0
Income before income taxes	$ 2,028	$ 2,241