Impact of Consolidating Income Statements of International Theme Parks (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Mar. 31, 2018	Apr. 01, 2017	Mar. 31, 2018	Apr. 01, 2017
Schedule of Condensed Consolidating Statement of Operations [Line Items]
Revenues:	$ 14,548	$ 13,336	$ 29,899	$ 28,120
Cost and expenses	(10,511)	(9,586)	(22,069)	(20,664)
Equity in the loss of investees	$ 6	$ 85	49	$ 203
International Theme Parks
Schedule of Condensed Consolidating Statement of Operations [Line Items]
Revenues:			1,749
Cost and expenses			(1,752)
Equity in the loss of investees			$ (14)

Schedule of Condensed Consolidating Statement of Operations [Line Items]

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This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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