Impact of Consolidating Income Statements of International Theme Parks (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Jun. 29, 2019	Jun. 30, 2018		Jun. 29, 2019	Jun. 30, 2018
Schedule of Condensed Consolidating Statement of Operations [Line Items]
Revenues	$ 20,245	$ 15,229	[1]	$ 50,470	$ 45,128	[2]
Cost and expenses	(17,485)	(11,305)		(40,904)	(33,374)
Equity in the loss of investees	$ (1)	$ 73		(234)	$ 122
International Theme Parks
Schedule of Condensed Consolidating Statement of Operations [Line Items]
Revenues				2,794
Cost and expenses				(2,688)
Equity in the loss of investees				$ (12)

[1] Amounts reflect our historical accounting prior to the adoption of the new revenue guidance.

[2] Amounts reflect our historical accounting prior to the adoption of the new revenue guidance.