CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Retained Earnings		AOCI Attributable to Parent	Treasury Stock	Disney Shareholders	Non-controlling Interests		Total excluding redeemable noncontrolling interest
BEGINNING BALANCE (in shares) at Sep. 30, 2017		1,517
Beginning Balance at Sep. 30, 2017		$ 36,248	$ 72,606		$ (3,528)	$ (64,011)	$ 41,315	$ 3,689	[1]	$ 45,004
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income	$ 7,886		7,360		183		7,543	348	[1]	7,891
Equity compensation activity (in shares)		4
Equity compensation activity		$ 163					163			163
Common stock repurchases (in shares)		(25)
Common stock repurchases						(2,608)	(2,608)			(2,608)
Dividends			(1,266)				(1,266)			(1,266)
Distributions and other			(4)	[2]			(4)	537	[1]	533
ENDING BALANCE (in shares) at Mar. 31, 2018		1,496
Ending Balance at Mar. 31, 2018		$ 36,411	78,704		(3,345)	(66,619)	45,151	3,500	[1],[2]	48,651
BEGINNING BALANCE (in shares) at Dec. 30, 2017		1,507
Beginning Balance at Dec. 30, 2017		$ 36,254	75,763		(3,404)	(65,324)	43,289	3,794	[2]	47,083
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income	3,248		2,937		59		2,996	251	[2]	3,247
Equity compensation activity (in shares)		1
Equity compensation activity		$ 157					157			157
Common stock repurchases (in shares)		(12)
Common stock repurchases						(1,295)	(1,295)			(1,295)
Distributions and other			(4)				(4)	545	[2]	541
ENDING BALANCE (in shares) at Mar. 31, 2018		1,496
Ending Balance at Mar. 31, 2018		$ 36,411	78,704		(3,345)	(66,619)	45,151	3,500	[1],[2]	48,651
BEGINNING BALANCE (in shares) at Sep. 29, 2018		1,488
Beginning Balance at Sep. 29, 2018	52,832	$ 36,779	82,679		(3,097)	(67,588)	48,773	4,059	[1]	52,832
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Adoption of new accounting guidance | Accounting Standards Update 2016-16	100
Adoption of new accounting guidance | Accounting Standards Update 2014-09	116
ENDING BALANCE (in shares) at Dec. 29, 2018		1,490
Ending Balance at Dec. 29, 2018		$ 36,799	84,887		(3,782)	(67,588)	50,316	4,077	[2]	54,393
BEGINNING BALANCE (in shares) at Sep. 29, 2018		1,488
Beginning Balance at Sep. 29, 2018	52,832	$ 36,779	82,679		(3,097)	(67,588)	48,773	4,059	[1]	52,832
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income	8,450		8,240		17		8,257	190	[1]	8,447
Equity compensation activity (in shares)		3
Equity compensation activity		$ 415					415			415
Dividends		$ 8	(1,318)				(1,310)			(1,310)
Contributions								47	[1]	47
Acquisition of 21CF (in shares)		307
Acquisition of 21CF		$ 33,804					33,804	10,638	[1]	44,442
Treasury Stock, Retired, Cost Method, Amount		(17,563)	(49,118)			66,681
Adoption of new accounting guidance | Accounting Standards Update 2018-02			691		(691)
Adoption of new accounting guidance | Accounting Standards Update 2016-16			129				129			129
Adoption of new accounting guidance | Accounting Standards Update 2014-09			(116)				(116)			(116)
Adoption of new accounting guidance | Accounting Standards Update, Other			22		(15)		7			7
Distributions and other		$ 24	(3)				21	533	[1]	554
ENDING BALANCE (in shares) at Mar. 30, 2019		1,798
Ending Balance at Mar. 30, 2019	104,339	$ 53,419	41,212		(3,786)	(907)	89,938	14,401	[1],[2]	104,339
BEGINNING BALANCE (in shares) at Dec. 29, 2018		1,490
Beginning Balance at Dec. 29, 2018		$ 36,799	84,887		(3,782)	(67,588)	50,316	4,077	[2]	54,393
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income	5,641		5,452		(4)		5,448	191	[2]	5,639
Equity compensation activity (in shares)		1
Equity compensation activity		$ 395					395			395
Dividends		$ 8	(8)
Contributions								27	[2]	27
Acquisition of 21CF (in shares)		307
Acquisition of 21CF		$ 33,804					33,804	10,638	[2]	44,442
Treasury Stock, Retired, Cost Method, Amount		(17,563)	(49,118)			66,681
Distributions and other		$ 24	1				25	532	[2]	557
ENDING BALANCE (in shares) at Mar. 30, 2019		1,798
Ending Balance at Mar. 30, 2019	$ 104,339	$ 53,419	$ 41,212		$ (3,786)	$ (907)	$ 89,938	$ 14,401	[1],[2]	$ 104,339

[1] Excludes redeemable noncontrolling interest

[2] Excludes redeemable noncontrolling interest