Financial Information by Operating Segments- Intersegment Eliminations (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Apr. 01, 2017	Apr. 02, 2016	Apr. 01, 2017	Apr. 02, 2016
Segment Reporting Information
Revenues:		$ 13,336	$ 12,969	$ 28,120	$ 28,213
Studio Entertainment
Segment Reporting Information
Revenues:	[1]	2,034	2,062	4,554	4,783
Consumer Products and Interactive
Segment Reporting Information
Revenues:	[1]	1,057	1,186	2,533	3,096
Intersegment Eliminations | Studio Entertainment
Segment Reporting Information
Revenues:		107	180	288	442
Intersegment Eliminations | Consumer Products and Interactive
Segment Reporting Information
Revenues:		$ (107)	$ (180)	$ (288)	$ (442)

[1] Studio Entertainment segment revenues and operating income include an allocation of Consumer Products & Interactive Media revenues, which is meant to reflect royalties on sales of merchandise based on certain film properties. The increase to Studio Entertainment revenues and operating income and corresponding decrease to Consumer Products & Interactive Media revenues and operating income totaled $107 million and $180 million for the quarters ended April 1, 2017 and April 2, 2016, respectively, and $288 million and $442 million for the six months ended April 1, 2017 and April 2, 2016, respectively.