Financial Information by Operating Segments (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
Segment operating income		3,996	3,822	7,952	8,089
Media Networks
Segment Reporting Information
Revenues:		5,946	5,793	12,179	12,125
Segment operating income		2,223	2,299	3,585	3,711
Parks and Resorts
Segment Reporting Information
Revenues:		4,299	3,928	8,854	8,209
Segment operating income		750	624	1,860	1,605
Studio Entertainment
Segment Reporting Information
Revenues:	[1]	2,034	2,062	4,554	4,783
Segment operating income	[1]	656	542	1,498	1,556
Consumer Products and Interactive
Segment Reporting Information
Revenues:	[1]	1,057	1,186	2,533	3,096
Segment operating income	[1]	$ 367	$ 357	$ 1,009	$ 1,217

[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.