Disaggregation of Revenue by Major Source (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 01, 2022	Jan. 02, 2021
Disaggregation of Revenue [Line Items]
Revenues	$ 21,819	$ 16,249
Affiliate fees
Disaggregation of Revenue [Line Items]
Revenues	4,371	4,402
Advertising
Disaggregation of Revenue [Line Items]
Revenues	3,869	3,764
Subscription fees
Disaggregation of Revenue [Line Items]
Revenues	3,598	2,546
Theme park admissions
Disaggregation of Revenue [Line Items]
Revenues	2,152	549
Resort and vacations
Disaggregation of Revenue [Line Items]
Revenues	1,445	433
Retail and wholesale sales of merchandise, food and beverage
Disaggregation of Revenue [Line Items]
Revenues	2,089	1,163
TV/SVOD distribution licensing
Disaggregation of Revenue [Line Items]
Revenues	1,396	1,169
Theatrical distribution licensing
Disaggregation of Revenue [Line Items]
Revenues	529	31
Merchandise licensing
Disaggregation of Revenue [Line Items]
Revenues	1,119	1,095
Home entertainment
Disaggregation of Revenue [Line Items]
Revenues	294	300
Other
Disaggregation of Revenue [Line Items]
Revenues	957	797
Disney Media and Entertainment Distribution
Disaggregation of Revenue [Line Items]
Revenues	14,585	12,661
Disney Media and Entertainment Distribution | Affiliate fees
Disaggregation of Revenue [Line Items]
Revenues	4,371	4,402
Disney Media and Entertainment Distribution | Advertising
Disaggregation of Revenue [Line Items]
Revenues	3,868	3,763
Disney Media and Entertainment Distribution | Subscription fees
Disaggregation of Revenue [Line Items]
Revenues	3,598	2,546
Disney Media and Entertainment Distribution | TV/SVOD distribution licensing
Disaggregation of Revenue [Line Items]
Revenues	1,396	1,169
Disney Media and Entertainment Distribution | Theatrical distribution licensing
Disaggregation of Revenue [Line Items]
Revenues	529	31
Disney Media and Entertainment Distribution | Merchandise licensing
Disaggregation of Revenue [Line Items]
Revenues	0	5
Disney Media and Entertainment Distribution | Home entertainment
Disaggregation of Revenue [Line Items]
Revenues	294	300
Disney Media and Entertainment Distribution | Other
Disaggregation of Revenue [Line Items]
Revenues	529	445
Disney Parks, Experiences and Products
Disaggregation of Revenue [Line Items]
Revenues	7,234	3,588
Disney Parks, Experiences and Products | Advertising
Disaggregation of Revenue [Line Items]
Revenues	1	1
Disney Parks, Experiences and Products | Theme park admissions
Disaggregation of Revenue [Line Items]
Revenues	2,152	549
Disney Parks, Experiences and Products | Resort and vacations
Disaggregation of Revenue [Line Items]
Revenues	1,445	433
Disney Parks, Experiences and Products | Retail and wholesale sales of merchandise, food and beverage
Disaggregation of Revenue [Line Items]
Revenues	2,089	1,163
Disney Parks, Experiences and Products | Merchandise licensing
Disaggregation of Revenue [Line Items]
Revenues	1,119	1,090
Disney Parks, Experiences and Products | Other
Disaggregation of Revenue [Line Items]
Revenues	$ 428	$ 352