Financial Information by Operating Segments (Parenthetical) (Detail) (USD $) In Millions	3 Months Ended		9 Months Ended
	Jul. 02, 2011	Jul. 03, 2010	Jul. 02, 2011	Jul. 03, 2010
Studio Entertainment
Segment Reporting Information [Line Items]
Increases/(decreases) allocations on segment revenues and operating income	$ 77	$ 51	$ 195	$ 136
Consumer Products
Segment Reporting Information [Line Items]
Increases/(decreases) allocations on segment revenues and operating income	(76)	(50)	(192)	(129)
Interactive Media
Segment Reporting Information [Line Items]
Increases/(decreases) allocations on segment revenues and operating income	$ (1)	$ (1)	$ (3)	$ (7)