Reconciliation of Segment Operating Income to Income before Income Taxes (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Jun. 30, 2012		Jul. 02, 2011		Jun. 30, 2012		Jul. 02, 2011
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment operating income	$ 3,236	[1]	$ 2,731	[1]	$ 7,625	[1]	$ 6,712	[1]
Corporate and unallocated shared expenses	(107)		(101)		(334)		(335)
Restructuring and impairment charges	(7)		(34)		(51)		(46)
Other income					184		75
Net interest expense	(93)		(88)		(278)		(266)
Income before income taxes	$ 3,029		$ 2,508		$ 7,146		$ 6,140

[1] Studio Entertainment segment revenues and operating income include an allocation of Consumer Products and Interactive revenues which is meant to reflect royalties on sales of merchandise based on certain Studio film properties. The increases/(decreases) related to these allocations on segment revenues and operating income as reported in the above table are as follows: Quarter Ended Nine Months Ended June 30, 2012 July 2, 2011 June 30, 2012 July 2, 2011 Studio Entertainment $ 64 $ 77 $ 194 $ 195 Consumer Products (53 ) (76 ) (182 ) (192 ) Interactive (11 ) (1 ) (12 ) (3 ) $ - $ - $ - $ -