Impact of Consolidating Income Statements of International Theme Parks (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 30, 2017	Dec. 31, 2016
Schedule of Condensed Consolidating Statement of Operations [Line Items]
Revenues:	$ 15,351	$ 14,784
Cost and expenses	(11,558)	(11,078)
Equity in the loss of investees	43	$ 118
International Theme Parks
Schedule of Condensed Consolidating Statement of Operations [Line Items]
Revenues:	905
Cost and expenses	(870)
Equity in the loss of investees	$ (7)