Description of the Business and Segment Information - Financial Information by Operating Segments (Detail) - USD ($) $ in Millions		3 Months Ended																12 Months Ended
		Oct. 03, 2015		Jun. 27, 2015		Mar. 28, 2015		Dec. 27, 2014		Sep. 27, 2014		Jun. 28, 2014		Mar. 29, 2014	[2]	Dec. 28, 2013	[3]	Oct. 03, 2015	Sep. 27, 2014	Sep. 28, 2013
Segment Reporting Information [Line Items]
Revenues		$ 13,512	[1]	$ 13,101		$ 12,461		$ 13,391		$ 12,389	[1]	$ 12,466		$ 11,649		$ 12,309		$ 52,465	$ 48,813	$ 45,041
Segment operating income		3,534	[1],[4]	$ 4,120	[4]	$ 3,482	[4]	$ 3,545	[4]	2,775	[1],[4]	$ 3,857	[4]	$ 3,353	[4]	$ 3,020	[4]	14,681	13,005	10,724
Corporate and unallocated shared expenses																		(643)	(611)	(531)
Restructuring and impairment charges																		(53)	(140)	(214)
Other expense, net																		0	(31)	(69)
Interest income/(expense), net																		(117)	23	(235)
Hulu Equity Redemption charge																		0	0	(55)
Income before income taxes																		13,868	12,246	9,620
Capital expenditures																		4,265	3,311	2,796
Depreciation expense																		2,132	2,064	1,957
Amortization of intangible assets																		222	224	235
Identifiable assets	[5]	88,182								84,141								88,182	84,141
Affiliate Fees																		12,029	10,632	10,018
Advertising																		8,499	8,094	8,006
Retail merchandise, food and beverage																		5,986	5,598	5,185
Long-lived assets	[6]	69,229								66,943								69,229	66,943
United States and Canada
Segment Reporting Information [Line Items]
Revenues																		40,320	36,769	34,021
Segment operating income																		10,820	9,594	7,871
Long-lived assets	[6]	53,976								52,909								53,976	52,909
Europe
Segment Reporting Information [Line Items]
Revenues																		6,507	6,505	6,181
Segment operating income																		1,964	1,581	1,361
Long-lived assets	[6]	8,254								8,733								8,254	8,733
Asia Pacific
Segment Reporting Information [Line Items]
Revenues																		3,958	3,930	3,333
Segment operating income																		1,365	1,342	1,016
Long-lived assets	[6]	6,817								5,084								6,817	5,084
Latin America and Other
Segment Reporting Information [Line Items]
Revenues																		1,680	1,609	1,506
Segment operating income																		532	488	476
Long-lived assets	[6]	182								217								182	217
Media Networks
Segment Reporting Information [Line Items]
Revenues																		23,264	21,152	20,356
Segment operating income																		7,793	7,321	6,818
Depreciation expense																		245	238	238
Amortization of intangible assets																		21	12	13
Identifiable assets	[5]	30,638								29,566								30,638	29,566
Parks and Resorts
Segment Reporting Information [Line Items]
Revenues																		16,162	15,099	14,087
Segment operating income																		3,031	2,663	2,220
Amortization of intangible assets																		3	2	2
Identifiable assets	[5]	25,510								23,297								25,510	23,297
Theme park admissions																		5,483	5,114	4,704
Parks and Resorts | Domestic
Segment Reporting Information [Line Items]
Capital expenditures																		1,457	1,184	1,140
Depreciation expense																		1,169	1,117	1,041
Parks and Resorts | International
Segment Reporting Information [Line Items]
Capital expenditures																		2,147	1,504	970
Depreciation expense																		345	353	327
Studio Entertainment
Segment Reporting Information [Line Items]
Revenues																		7,366	7,278	5,979
Segment operating income																		1,973	1,549	661
Capital expenditures																		107	63	78
Depreciation expense																		55	48	54
Amortization of intangible assets																		84	88	107
Identifiable assets	[5]	15,334								15,162								15,334	15,162
Consumer Products
Segment Reporting Information [Line Items]
Revenues																		4,499	3,985	3,555
Segment operating income																		1,752	1,356	1,112
Capital expenditures																		76	43	45
Depreciation expense																		57	59	57
Amortization of intangible assets																		102	109	89
Identifiable assets	[5]	7,591								7,526								7,591	7,526
Interactive
Segment Reporting Information [Line Items]
Revenues																		1,174	1,299	1,064
Segment operating income																		132	116	(87)
Capital expenditures																		11	5	13
Depreciation expense																		12	10	20
Amortization of intangible assets																		12	13	24
Identifiable assets	[5]	2,087								2,199								2,087	2,199
Corporate
Segment Reporting Information [Line Items]
Capital expenditures																		269	252	287
Depreciation expense																		249	239	220
Amortization of intangible assets																		0	0	0
Identifiable assets	[5],[7]	$ 7,022								$ 6,391								7,022	6,391
Third Parties | Studio Entertainment
Segment Reporting Information [Line Items]
Revenues																		6,838	6,988	5,721
Third Parties | Consumer Products
Segment Reporting Information [Line Items]
Revenues																		5,027	4,274	3,811
Third Parties | Interactive
Segment Reporting Information [Line Items]
Revenues																		1,174	1,300	1,066
Intersegment | Studio Entertainment
Segment Reporting Information [Line Items]
Revenues																		528	290	258
Intersegment | Consumer Products
Segment Reporting Information [Line Items]
Revenues																		(528)	(289)	(256)
Intersegment | Interactive
Segment Reporting Information [Line Items]
Revenues																		0	(1)	(2)
Cable | Media Networks
Segment Reporting Information [Line Items]
Capital expenditures																		127	172	176
Broadcasting | Media Networks
Segment Reporting Information [Line Items]
Capital expenditures																		$ 71	88	87
Hulu LLC
Segment Reporting Information [Line Items]
Hulu Equity Redemption charge																			$ (55)	$ (55)

[1] 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. The fourth quarter of fiscal 2014 included restructuring and impairment charges, which had an adverse impact of $0.03 on diluted earnings per share.

[2] The second quarter of fiscal 2014 included a loss from Venezuelan foreign currency translation ($0.05 per diluted share) and restructuring and impairment charges ($0.02 per diluted share), partially offset by a gain on the sale of property ($0.03 per diluted share) and income related to a portion of a settlement of an affiliate contract dispute ($0.01 per diluted share). These items had a net adverse impact of $0.03 on diluted earnings per share.

[3] The first quarter of fiscal 2014 included restructuring and impairment charges, which had an adverse impact of $0.01 on diluted earnings per share.

[4] Segment operating results reflect earnings before 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.

[5] Identifiable assets include amounts associated with equity method investments, goodwill and intangible assets. Equity method investments by segment are as follows: 2015 2014Media Networks$2,454 $2,321Parks and Resorts9 28Studio Entertainment2 2Consumer Products1 1Interactive— —Corporate17 124 $2,483 $2,476Goodwill and intangible assets by segment are as follows: 2015 2014Media Networks$18,186 $18,270Parks and Resorts376 379Studio Entertainment8,538 8,679Consumer Products6,118 6,187Interactive1,650 1,670Corporate130 130 $34,998 $35,315

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

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