International Theme Parks Impact of Consolidating Income Statements of International Theme Parks (Detail) - USD ($) $ in Millions	12 Months Ended
	Oct. 01, 2022	Oct. 02, 2021	Oct. 03, 2020
Schedule of Condensed Consolidating Statement of Operations [Line Items]
Revenues	$ 82,722	$ 67,418	$ 65,388
Costs and expenses	(75,952)	(63,759)	(61,594)
Equity in the loss of investees	816	$ 761	$ 651
International Theme Parks
Schedule of Condensed Consolidating Statement of Operations [Line Items]
Revenues	3,026
Costs and expenses	(3,459)
Equity in the loss of investees	$ (10)