Financial Information by Operating Segments (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016
Segment Reporting Information
Revenues:		$ 14,238	$ 14,277	$ 42,358	$ 42,490
Segment operating income		4,011	4,456	11,963	12,545
Media Networks
Segment Reporting Information
Revenues:		5,866	5,906	18,045	18,031
Segment operating income		1,842	2,372	5,427	6,083
Parks and Resorts
Segment Reporting Information
Revenues:		4,894	4,379	13,748	12,588
Segment operating income		1,168	994	3,028	2,599
Studio Entertainment
Segment Reporting Information
Revenues:	[1]	2,393	2,847	6,947	7,630
Segment operating income	[1]	639	766	2,137	2,322
Consumer Products and Interactive
Segment Reporting Information
Revenues:	[1]	1,085	1,145	3,618	4,241
Segment operating income	[1]	$ 362	$ 324	$ 1,371	$ 1,541

[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 $103 million and $131 million for the quarters ended July 1, 2017 and July 2, 2016, respectively, and $391 million and $573 million for the nine months ended July 1, 2017 and July 2, 2016, respectively.