Impact of Consolidating Income Statements of International Theme Parks (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 03, 2021	Mar. 28, 2020	Apr. 03, 2021	Mar. 28, 2020
Schedule of Condensed Consolidating Statement of Operations [Line Items]
Revenues	$ 15,613	$ 18,025	$ 31,862	$ 38,902
Cost and expenses	(14,167)	(16,664)	(30,157)	(34,706)
Equity in the loss of investees	$ 213	$ 135	437	$ 359
International Theme Parks
Schedule of Condensed Consolidating Statement of Operations [Line Items]
Revenues			555
Cost and expenses			(1,237)
Equity in the loss of investees			$ (17)