Income Taxes - Additional Information (Detail)	12 Months Ended
	Sep. 27, 2014 USD ($)	Sep. 28, 2013 USD ($)	Sep. 29, 2012 USD ($)	Sep. 27, 2014 International Theme Parks USD ($)	Sep. 27, 2014 International Theme Parks CHINA	Oct. 01, 2014 Disneyland Paris Scenario, Forecast Subsequent Event USD ($)	Oct. 01, 2014 Disneyland Paris Scenario, Forecast Subsequent Event EUR (€)
Income Taxes [Line Items]
Valuation allowance	$ 657,000,000	$ 632,000,000		$ 657,000,000
Tax Credit Carryforward, Description				indefinite carryforward period in France and Hong Kong and a five-year carryforward period in China
Capitalization, Long-term Debt and Equity						1,300,000,000	1,000,000,000
Deferred Tax Assets, Subject to Valuation Allowance Upon Future Event						360,000,000
Undistributed Earnings of Foreign Subsidiaries	1,900,000,000
Undistributed earnings of foreign subsidiaries for which deferred taxes have not been provided	377,000,000
Tax Credit Carryforward, Period					5 years
Gross unrecognized tax benefits that would reduce income tax expense and effective tax rate, if recognized	453,000,000	449,000,000	452,000,000
Accrued interest and penalties related to unrecognized tax benefits	216,000,000	211,000,000	209,000,000
Additional accrued interest related to unrecognized tax benefits	25,000,000	42,000,000	25,000,000
Reductions in accrued interest as a result of audit settlements and other prior-year adjustments	21,000,000	55,000,000	12,000,000
Unrecognized tax benefits, reasonably possible reduction due to payments for or resolution of open tax matters	44,000,000
Income tax benefits attributable to equity-based compensation transactions (less than) exceeded amounts recorded based on grant date fair value (charged) credited to shareholders' equity	$ 255,000,000	$ 204,000,000	$ 120,000,000