Financial Information by Operating Segments (Parenthetical) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 29, 2012	Dec. 31, 2011
Studio Entertainment
Segment Reporting Information [Line Items]
Increases/(decreases) allocations on segment revenues and operating income	$ 55	$ 76
Consumer Products
Segment Reporting Information [Line Items]
Increases/(decreases) allocations on segment revenues and operating income	(55)	(76)
Interactive
Segment Reporting Information [Line Items]
Increases/(decreases) allocations on segment revenues and operating income	$ 0	$ 0