International Theme Park Investments - Impact of Consolidating Income Statements of International Theme Parks (Detail) - USD ($) $ 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
Schedule of Condensed Consolidating Statement of Operations [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
Cost and expenses																	(41,274)	$ (39,241)	$ (37,273)
International Theme Parks
Schedule of Condensed Consolidating Statement of Operations [Line Items]
Revenues																	2,455
Cost and expenses																	$ (2,754)

[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.