Disaggregation of Revenue by Geographical Markets (Details) - USD ($) $ in Millions		3 Months Ended
		Dec. 29, 2018	Dec. 30, 2017
Disaggregation of Revenue [Line Items]
Revenues		$ 15,303	$ 15,351
United States and Canada
Disaggregation of Revenue [Line Items]
Revenues		11,929
Europe
Disaggregation of Revenue [Line Items]
Revenues		1,795
Asia Pacific
Disaggregation of Revenue [Line Items]
Revenues		1,029
Latin America
Disaggregation of Revenue [Line Items]
Revenues		550
Media Networks
Disaggregation of Revenue [Line Items]
Revenues		5,921	5,555
Media Networks | United States and Canada
Disaggregation of Revenue [Line Items]
Revenues		5,509
Media Networks | Europe
Disaggregation of Revenue [Line Items]
Revenues		152
Media Networks | Asia Pacific
Disaggregation of Revenue [Line Items]
Revenues		79
Media Networks | Latin America
Disaggregation of Revenue [Line Items]
Revenues		181
Parks Experiences & Consumer Products
Disaggregation of Revenue [Line Items]
Revenues	[1]	6,824	6,527
Parks Experiences & Consumer Products | United States and Canada
Disaggregation of Revenue [Line Items]
Revenues		5,142
Parks Experiences & Consumer Products | Europe
Disaggregation of Revenue [Line Items]
Revenues		1,065
Parks Experiences & Consumer Products | Asia Pacific
Disaggregation of Revenue [Line Items]
Revenues		551
Parks Experiences & Consumer Products | Latin America
Disaggregation of Revenue [Line Items]
Revenues		66
Studio Entertainment
Disaggregation of Revenue [Line Items]
Revenues	[1]	1,824	2,509
Studio Entertainment | United States and Canada
Disaggregation of Revenue [Line Items]
Revenues		1,038
Studio Entertainment | Europe
Disaggregation of Revenue [Line Items]
Revenues		413
Studio Entertainment | Asia Pacific
Disaggregation of Revenue [Line Items]
Revenues		286
Studio Entertainment | Latin America
Disaggregation of Revenue [Line Items]
Revenues		87
Direct-to-Consumer & International
Disaggregation of Revenue [Line Items]
Revenues		918	931
Direct-to-Consumer & International | United States and Canada
Disaggregation of Revenue [Line Items]
Revenues		404
Direct-to-Consumer & International | Europe
Disaggregation of Revenue [Line Items]
Revenues		180
Direct-to-Consumer & International | Asia Pacific
Disaggregation of Revenue [Line Items]
Revenues		118
Direct-to-Consumer & International | Latin America
Disaggregation of Revenue [Line Items]
Revenues		216
Eliminations
Disaggregation of Revenue [Line Items]
Revenues	[2]	(184)	$ (171)
Eliminations | United States and Canada
Disaggregation of Revenue [Line Items]
Revenues		(164)
Eliminations | Europe
Disaggregation of Revenue [Line Items]
Revenues		(15)
Eliminations | Asia Pacific
Disaggregation of Revenue [Line Items]
Revenues		(5)
Eliminations | Latin America
Disaggregation of Revenue [Line Items]
Revenues		$ 0

[1] Studio Entertainment revenues and operating income include an allocation of Parks, Experiences & Consumer Products revenues, which is meant to reflect royalties on sales of merchandise based on film properties. The increase to Studio Entertainment revenues and operating income and corresponding decrease to Parks, Experiences & Consumer Products revenues and operating income was $154 million and $171 million for the quarters ended December 29, 2018 and December 30, 2017, respectively.

[2] Intersegment content transactions are as follows:   Quarter Ended (in millions) December 29,
2018   December 30,
2017 Revenues       Studio Entertainment:       Content transactions with Media Networks $ (21 )   $ (31 ) Content transactions with Direct-to-Consumer & International (18 )   (8 ) Media Networks:       Content transactions with Direct-to-Consumer & International (145 )   (132 ) Total revenues $ (184 )   $ (171 )