Financial Information by Operating Segments (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 02, 2021	Dec. 28, 2019
Segment Reporting Information
Revenues	$ 16,249	$ 20,877
Segment operating income	1,332	3,996
Disney Media and Entertainment Distribution
Segment Reporting Information
Revenues	12,661	13,297
Segment operating income	1,451	1,474
Disney Parks, Experiences and Products
Segment Reporting Information
Revenues	3,588	7,580
Segment operating income	$ (119)	$ 2,522