Financial Information by Operating Segments (Parenthetical) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 30, 2013	Mar. 31, 2012	Mar. 30, 2013	Mar. 31, 2012
Studio Entertainment
Segment Reporting Information [Line Items]
Increases/(decreases) allocations on segment revenues and operating income	$ 49	$ 54	$ 104	$ 130
Consumer Products
Segment Reporting Information [Line Items]
Increases/(decreases) allocations on segment revenues and operating income	(48)	(53)	(103)	(129)
Interactive
Segment Reporting Information [Line Items]
Increases/(decreases) allocations on segment revenues and operating income	$ (1)	$ (1)	$ (1)	$ (1)