International Theme Parks Impact of Consolidating Income Statements of International Theme Parks (Detail) - USD ($) $ in Millions	12 Months Ended
	Sep. 27, 2025	Sep. 28, 2024	Sep. 30, 2023
Schedule of Consolidating Statement of Income [Line Items]
Revenues	$ 94,425	$ 91,361	$ 88,898
Costs and expenses	(80,593)	$ (79,447)	$ (79,906)
International Theme Parks
Schedule of Consolidating Statement of Income [Line Items]
Revenues	6,111
Costs and expenses	$ (4,963)