Financial Information by Operating Segments (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Dec. 31, 2011		Jan. 01, 2011
Segment Reporting Information [Line Items]
Revenues	$ 10,779	[1]	$ 10,716	[1]
Segment operating income (loss)	2,444	[1]	2,208	[1]
Media Networks
Segment Reporting Information [Line Items]
Revenues	4,779		4,645
Segment operating income (loss)	1,193		1,066
Parks and Resorts
Segment Reporting Information [Line Items]
Revenues	3,155		2,868
Segment operating income (loss)	553		468
Studio Entertainment
Segment Reporting Information [Line Items]
Revenues	1,618		1,932
Segment operating income (loss)	413		375
Consumer Products
Segment Reporting Information [Line Items]
Revenues	948		922
Segment operating income (loss)	313		312
Interactive Media
Segment Reporting Information [Line Items]
Revenues	279		349
Segment operating income (loss)	$ (28)		$ (13)

[1] Studio Entertainment segment revenues and operating income include an allocation of Consumer Products and Interactive Media 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 Dec. 31, 2011 Jan. 1, 2011 Studio Entertainment $ 76 $ 73 Consumer Products (76 ) (72) Interactive Media - (1) $- $ -