Disaggregation of Revenue by Geographical Markets (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 03, 2021	Mar. 28, 2020	Apr. 03, 2021	Mar. 28, 2020
Disaggregation of Revenue [Line Items]
Revenues	$ 15,613	$ 18,025	$ 31,862	$ 38,902
Americas
Disaggregation of Revenue [Line Items]
Revenues	12,707	14,643	25,454	30,938
Europe
Disaggregation of Revenue [Line Items]
Revenues	1,486	1,884	3,266	4,380
Asia Pacific
Disaggregation of Revenue [Line Items]
Revenues	1,420	1,498	3,142	3,584
Disney Media and Entertainment Distribution
Disaggregation of Revenue [Line Items]
Revenues	12,440	12,365	25,101	25,662
Disney Media and Entertainment Distribution | Americas
Disaggregation of Revenue [Line Items]
Revenues	10,293	9,962	20,584	20,379
Disney Media and Entertainment Distribution | Europe
Disaggregation of Revenue [Line Items]
Revenues	1,219	1,338	2,512	2,901
Disney Media and Entertainment Distribution | Asia Pacific
Disaggregation of Revenue [Line Items]
Revenues	928	1,065	2,005	2,382
Disney Parks, Experiences and Products
Disaggregation of Revenue [Line Items]
Revenues	3,173	5,660	6,761	13,240
Disney Parks, Experiences and Products | Americas
Disaggregation of Revenue [Line Items]
Revenues	2,414	4,681	4,870	10,559
Disney Parks, Experiences and Products | Europe
Disaggregation of Revenue [Line Items]
Revenues	267	546	754	1,479
Disney Parks, Experiences and Products | Asia Pacific
Disaggregation of Revenue [Line Items]
Revenues	$ 492	$ 433	$ 1,137	$ 1,202