Financial Information by Operating Segments (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 03, 2021	Mar. 28, 2020	Apr. 03, 2021	Mar. 28, 2020
Segment Reporting Information
Revenues	$ 15,613	$ 18,025	$ 31,862	$ 38,902
Segment operating income	2,465	2,407	3,797	6,403
Disney Media and Entertainment Distribution
Segment Reporting Information
Revenues	12,440	12,365	25,101	25,662
Segment operating income	2,871	1,651	4,322	3,125
Disney Parks, Experiences and Products
Segment Reporting Information
Revenues	3,173	5,660	6,761	13,240
Segment operating income	$ (406)	$ 756	$ (525)	$ 3,278