Description of the Business and Segment Information - Financial Information by Operating Segments (Detail) - USD ($) $ in Millions		3 Months Ended																12 Months Ended
		Oct. 01, 2016		Jul. 02, 2016	[2]	Apr. 02, 2016	[3]	Jan. 02, 2016	[4]	Oct. 03, 2015		Jun. 27, 2015	[2]	Mar. 28, 2015	[3]	Dec. 27, 2014	[4]	Oct. 01, 2016		Oct. 03, 2015	Sep. 27, 2014
Segment Reporting Information [Line Items]
Revenues		$ 13,142	[1]	$ 14,277		$ 12,969		$ 15,244		$ 13,512	[1]	$ 13,101		$ 12,461		$ 13,391		$ 55,632		$ 52,465	$ 48,813
Segment operating income		3,176	[1],[5]	$ 4,456	[5]	$ 3,822	[5]	$ 4,267	[5]	3,534	[1],[5]	$ 4,120	[5]	$ 3,482	[5]	$ 3,545	[5]	15,721		14,681	13,005
Corporate and unallocated shared expenses																		(640)		(643)	(611)
Restructuring and impairment charges																		(156)		(53)	(140)
Other expense, net																		0		0	(31)
Interest income/(expense), net																		(260)		(117)	23
Vice Gain																		332		0	0
Business Exit Costs																		129	[6]	0	0
Income before income taxes																		14,868		13,868	12,246
Capital expenditures																		4,773		4,265	3,311
Depreciation expense																		2,320		2,132	2,064
Amortization of intangible assets																		207		222	224
Identifiable assets	[7]	92,033								88,182								92,033		88,182
Affiliate Fees																		12,259		12,029	10,632
Advertising																		8,649		8,499	8,094
Retail merchandise, food and beverage																		6,116		5,986	5,598
Long-lived assets	[8]	72,951								69,229								72,951		69,229
United States and Canada
Segment Reporting Information [Line Items]
Revenues																		42,616		40,320	36,769
Segment operating income																		12,139		10,820	9,594
Long-lived assets	[8]	56,388								53,976								56,388		53,976
Europe
Segment Reporting Information [Line Items]
Revenues																		6,714		6,507	6,505
Segment operating income																		1,815		1,964	1,581
Long-lived assets	[8]	8,125								8,254								8,125		8,254
Asia Pacific
Segment Reporting Information [Line Items]
Revenues																		4,582		3,958	3,930
Segment operating income																		1,324		1,365	1,342
Long-lived assets	[8]	8,228								6,817								8,228		6,817
Latin America and Other
Segment Reporting Information [Line Items]
Revenues																		1,720		1,680	1,609
Segment operating income																		443		532	488
Long-lived assets	[8]	210								182								210		182
Media Networks
Segment Reporting Information [Line Items]
Revenues																		23,689		23,264	21,152
Segment operating income																		7,755		7,793	7,321
Depreciation expense																		237		245	238
Amortization of intangible assets																		18		21	12
Identifiable assets	[7]	32,706								30,638								32,706		30,638
Parks and Resorts
Segment Reporting Information [Line Items]
Revenues																		16,974		16,162	15,099
Segment operating income																		3,298		3,031	2,663
Amortization of intangible assets																		3		3	2
Identifiable assets	[7]	28,275								25,510								28,275		25,510
Theme park admissions																		5,900		5,483	5,114
Parks and Resorts | Domestic
Segment Reporting Information [Line Items]
Capital expenditures																		2,180		1,457	1,184
Depreciation expense																		1,273		1,169	1,117
Parks and Resorts | International
Segment Reporting Information [Line Items]
Capital expenditures																		2,035		2,147	1,504
Depreciation expense																		445		345	353
Studio Entertainment
Segment Reporting Information [Line Items]
Revenues																		9,441		7,366	7,278
Segment operating income																		2,703		1,973	1,549
Capital expenditures																		86		107	63
Depreciation expense																		51		55	48
Amortization of intangible assets																		74		84	88
Identifiable assets	[7]	15,359								15,334								15,359		15,334
Consumer Products and Interactive
Segment Reporting Information [Line Items]
Revenues																		5,528		5,673	5,284
Segment operating income																		1,965		1,884	1,472
Capital expenditures																		53		87	48
Depreciation expense																		63		69	69
Amortization of intangible assets																		112		114	122
Identifiable assets	[7]	9,332								9,678								9,332		9,678
Corporate
Segment Reporting Information [Line Items]
Capital expenditures																		253		269	252
Depreciation expense																		251		249	239
Amortization of intangible assets																		0		0	0
Identifiable assets	[7],[9]	$ 6,361								$ 7,022								6,361		7,022
Cable | Media Networks
Segment Reporting Information [Line Items]
Capital expenditures																		86		127	172
Broadcasting | Media Networks
Segment Reporting Information [Line Items]
Capital expenditures																		80		71	88
Intersegment | Studio Entertainment
Segment Reporting Information [Line Items]
Revenues																		740		528	290
Intersegment | Consumer Products and Interactive
Segment Reporting Information [Line Items]
Revenues																		(740)		(528)	(290)
Third Parties [Member] | Studio Entertainment
Segment Reporting Information [Line Items]
Revenues																		8,701		6,838	6,988
Third Parties [Member] | Consumer Products and Interactive
Segment Reporting Information [Line Items]
Revenues																		$ 6,268		$ 6,201	$ 5,574

[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.

[6] In fiscal 2016, the Company discontinued its Infinity console game business, which is reported in the Consumer Products & Interactive Media segment, and recorded a charge primarily to write down inventory. The charge also included severance and other asset impairments. The charge was reported in “Cost of products” in the Consolidated Statement of Income.

[7] Identifiable assets include amounts associated with equity method investments, goodwill and intangible assets. Equity method investments by segment are as follows: 2016 2015Media Networks$4,032 $2,454Parks and Resorts22 9Studio Entertainment3 2Consumer Products & Interactive Media— 1Corporate25 17 $4,082 $2,483Goodwill and intangible assets by segment are as follows: 2016 2015Media Networks$18,153 $18,186Parks and Resorts373 376Studio Entertainment8,450 8,538Consumer Products & Interactive Media7,653 7,768Corporate130 130 $34,759 $34,998

[8] Long-lived assets are total assets less the following: current assets, long-term receivables, deferred taxes, financial investments and derivatives

[9] Primarily fixed assets, cash and cash equivalents, deferred tax assets and investments.