Revenues Disaggregation of Revenue by Geographical Markets (Details) - USD ($) $ in Millions		3 Months Ended														12 Months Ended
		Oct. 03, 2020	[1]	Jun. 27, 2020	[1]	Mar. 28, 2020	[1]	Dec. 28, 2019	[1]	Sep. 28, 2019	[1]	Jun. 29, 2019	[1]	Mar. 30, 2019	Dec. 29, 2018	Oct. 03, 2020	Sep. 28, 2019	Sep. 29, 2018
Disaggregation of Revenue [Line Items]
Revenues		$ 14,707		$ 11,779		$ 18,025		$ 20,877		$ 19,118		$ 20,262		$ 14,924	$ 15,303	$ 65,388	$ 69,607	$ 59,434
Americas
Disaggregation of Revenue [Line Items]
Revenues																51,992	53,805	46,877
Europe
Disaggregation of Revenue [Line Items]
Revenues																7,333	8,006	7,026
Asia Pacific
Disaggregation of Revenue [Line Items]
Revenues																6,063	7,796	5,531
Media Networks
Disaggregation of Revenue [Line Items]
Revenues																28,393	24,827	21,922
Media Networks | Americas
Disaggregation of Revenue [Line Items]
Revenues																26,566	23,767
Media Networks | Europe
Disaggregation of Revenue [Line Items]
Revenues																1,378	785
Media Networks | Asia Pacific
Disaggregation of Revenue [Line Items]
Revenues																449	275
Parks, Experiences and Products
Disaggregation of Revenue [Line Items]
Revenues																16,502	26,225	24,701
Parks, Experiences and Products | Americas
Disaggregation of Revenue [Line Items]
Revenues																12,524	19,868
Parks, Experiences and Products | Europe
Disaggregation of Revenue [Line Items]
Revenues																1,982	3,135
Parks, Experiences and Products | Asia Pacific
Disaggregation of Revenue [Line Items]
Revenues																1,996	3,222
Studio Entertainment
Disaggregation of Revenue [Line Items]
Revenues																9,636	11,127	10,065
Studio Entertainment | Americas
Disaggregation of Revenue [Line Items]
Revenues																5,671	6,050
Studio Entertainment | Europe
Disaggregation of Revenue [Line Items]
Revenues																2,609	2,956
Studio Entertainment | Asia Pacific
Disaggregation of Revenue [Line Items]
Revenues																1,356	2,121
Direct-to-Consumer & International
Disaggregation of Revenue [Line Items]
Revenues																16,967	9,386	3,414
Direct-to-Consumer & International | Americas
Disaggregation of Revenue [Line Items]
Revenues																12,498	5,759
Direct-to-Consumer & International | Europe
Disaggregation of Revenue [Line Items]
Revenues																2,016	1,260
Direct-to-Consumer & International | Asia Pacific
Disaggregation of Revenue [Line Items]
Revenues																2,453	2,367
Eliminations
Disaggregation of Revenue [Line Items]
Revenues	[2]															(6,110)	(1,958)	$ (668)
Eliminations | Americas
Disaggregation of Revenue [Line Items]
Revenues																(5,267)	(1,639)
Eliminations | Europe
Disaggregation of Revenue [Line Items]
Revenues																(652)	(130)
Eliminations | Asia Pacific
Disaggregation of Revenue [Line Items]
Revenues																$ (191)	$ (189)

[1] On March 20, 2019, the Company began consolidating the results of TFCF and Hulu (see Note 4). As a result, revenues and operating results in fiscal 2020 and the third and fourth quarter of fiscal 2019 reflected the impact of this transaction.

[2] Intersegment content transactions are as follows: 202020192018Revenues:Studio Entertainment:Content transactions with Media Networks$(188) $(106) $(169)  Content transactions with Direct-to-Consumer & International (2,108) (272) (28) Media Networks: Content transactions with Direct-to-Consumer & International (3,814) (1,580) (471) Total$(6,110) $(1,958) $(668) Operating Income:Studio Entertainment:Content transactions with Media Networks$3  $(19) $(8)  Content transactions with Direct-to-Consumer & International (158) (80) —  Media Networks: Content transactions with Direct-to-Consumer & International (373) (142) (2) Total$(528) $(241) $(10)