Financial Information by Operating Segments- Intersegment Eliminations (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Mar. 28, 2020		Mar. 30, 2019		Mar. 28, 2020	Mar. 30, 2019
Segment Reporting Information
Revenues	$ 18,009		$ 14,922		$ 38,867	$ 30,225
Studio Entertainment
Segment Reporting Information
Revenues	2,539	[1]	2,157	[1]	6,303	3,981
Parks, Experiences and Products
Segment Reporting Information
Revenues	5,543	[1]	6,171	[1]	12,939	12,995
Intersegment Eliminations
Segment Reporting Information
Revenues	(793)				(1,392)
Intersegment Eliminations | Studio Entertainment
Segment Reporting Information
Revenues	117		126		301	280
Intersegment Eliminations | Parks, Experiences and Products
Segment Reporting Information
Revenues	$ (117)		$ (126)		$ (301)	$ (280)

[1] The allocation of Parks, Experiences and Products revenues to Studio Entertainment was $117 million and $126 million for the quarters ended March 28, 2020 and March 30, 2019, respectively, and $301 million and $280 million for the six months ended March 28, 2020 and March 30, 2019, respectively.