Impact of Consolidating Income Statements of International Theme Parks (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016
Schedule of Condensed Consolidating Statement of Operations [Line Items]
Revenues:	$ 14,238	$ 14,277	$ 42,358	$ 42,490
Cost and expenses	(10,450)	(10,132)	(31,114)	(30,993)
Equity in the loss of investees	$ 124	$ 152	327	$ 776
International Theme Parks
Schedule of Condensed Consolidating Statement of Operations [Line Items]
Revenues:			2,306
Cost and expenses			(2,373)
Equity in the loss of investees			$ (8)