Quarterly Financial Summary (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended																12 Months Ended
	Oct. 01, 2016	[1]	Jul. 02, 2016	[2]	Apr. 02, 2016	[3]	Jan. 02, 2016	[4]	Oct. 03, 2015	[1]	Jun. 27, 2015	[2]	Mar. 28, 2015	[3]	Dec. 27, 2014	[4]	Oct. 01, 2016	Oct. 03, 2015	Sep. 27, 2014
Quarterly Financial Information [Line Items]
Revenues	$ 13,142		$ 14,277		$ 12,969		$ 15,244		$ 13,512		$ 13,101		$ 12,461		$ 13,391		$ 55,632	$ 52,465	$ 48,813
Segment operating income	3,176	[5]	4,456	[5]	3,822	[5]	4,267	[5]	3,534	[5]	4,120	[5]	3,482	[5]	3,545	[5]	15,721	14,681	13,005
Net Income	1,892		2,712		2,276		2,910		1,741		2,639		2,228		2,244		9,790	8,852	8,004
Net income attributable to Disney	$ 1,771		$ 2,597		$ 2,143		$ 2,880		$ 1,609		$ 2,483		$ 2,108		$ 2,182		$ 9,391	$ 8,382	$ 7,501
Earnings Per Share, Diluted (usd per share)	$ 1.10		$ 1.59		$ 1.30		$ 1.73		$ 0.95		$ 1.45		$ 1.23		$ 1.27		$ 5.73	$ 4.90	$ 4.26
Earnings Per Share, Basic (usd per share)	$ 1.10		$ 1.60		$ 1.31		$ 1.74		$ 0.96		$ 1.46		$ 1.24		$ 1.28		$ 5.76	$ 4.95	$ 4.31

[1] Results for the fourth quarter of fiscal 2016 included a favorable adjustment to the Infinity Charge taken in the second quarter ($0.01 per diluted share), partially offset by restructuring and impairment charges ($0.01 per diluted share). Results for the fourth quarter of fiscal 2015 included a non-cash charge in connection with the write-off of a deferred tax asset as a result of the Disneyland Paris recapitalization ($0.24 per diluted share) and restructuring and impairment charges ($0.02 per diluted share), which collectively resulted in a net adverse impact of $0.25 per diluted share.

[2] Results for the third quarter of fiscal 2016 included restructuring and impairment charges, which had an adverse impact of $0.03 on diluted earnings per share.

[3] Results for the second quarter of fiscal 2016 included an adverse impact of $0.06 on diluted earnings per share due to the Infinity Charge.

[4] Results for the first quarter of fiscal 2016 included the Vice Gain, which had a favorable impact of $0.13 on earnings per diluted share, partially offset by restructuring and impairment charges ($0.03 per diluted share). These items resulted in a net positive benefit of $0.10 on diluted earnings per share.

[5] Segment operating results reflect earnings before the Infinity Charge, corporate and unallocated shared expenses, restructuring and impairment charges, other expense, interest income/(expense), income taxes and noncontrolling interests. Segment operating income includes equity in the income of investees except for the Vice Gain.