CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY - USD ($) shares in Millions, $ in Millions	Total	Common Stock	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Total Disney Equity	Noncontrolling Interest	[1]	Total excluding redeemable noncontrolling interest [Member]
BEGINNING BALANCE (in shares) at Oct. 01, 2016		1,597
BEGINNING BALANCE at Oct. 01, 2016		$ 35,859	$ 66,088	$ (3,979)	$ (54,703)	$ 43,265	$ 4,058		$ 47,323
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income	$ 9,792		8,980	451		9,431	361		9,792
Equity compensation activity (in shares)		8
Equity compensation activity		$ 529				529			529
Common stock repurchases (in shares)	(89)	(89)
Common stock repurchases	$ (9,400)				(9,368)	(9,368)			(9,368)
Dividends		$ 13	(2,458)			(2,445)			(2,445)
Contributions	17						17		17
Treasury Stock Reissued During Period (in shares)		1
Treasury Stock Reissued During Period					60
Distributions and other		$ (153)	(4)			(97)	(747)		(844)
ENDING BALANCE (in shares) at Sep. 30, 2017		1,517
ENDING BALANCE at Sep. 30, 2017		$ 36,248	72,606	(3,528)	(64,011)	41,315	3,689		45,004
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income	$ 13,425		12,598	431		13,029	425		13,454
Equity compensation activity (in shares)		6
Equity compensation activity		$ 518				518			518
Common stock repurchases (in shares)	(35)	(35)
Common stock repurchases	$ (3,600)				(3,577)	(3,577)			(3,577)
Dividends		$ 14	(2,529)			(2,515)			(2,515)
Contributions	399						488		488
Distributions and other		$ (1)	4			3	(543)		(540)
ENDING BALANCE (in shares) at Sep. 29, 2018		1,488
ENDING BALANCE at Sep. 29, 2018	52,832	$ 36,779	82,679	(3,097)	(67,588)	48,773	4,059		52,832
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income	8,705		11,054	(2,814)		8,240	371		8,611
Equity compensation activity (in shares)		7
Equity compensation activity		$ 912				912			912
Dividends		$ 18	(2,913)			(2,895)			(2,895)
Contributions	737						737		737
Acquisition of TFCF (in shares)		307
Acquisition of TFCF		$ 33,774				33,774	10,408		44,182
Adoption of new accounting guidance | Accounting Standards Update 2018-02			691	(691)
Adoption of new accounting guidance | Accounting Standards Update 2016-16			192			192			192
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
Treasury Stock, Retired, Cost Method, Amount		(17,563)	(49,118)		66,681
Temporary Equity, Accretion to Redemption Value							(7,770)		(7,770)
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests							(1,430)		(1,430)
Sales of RSN							(744)		(744)
Distributions and other		$ (13)	3			(10)	(619)		(629)
ENDING BALANCE (in shares) at Sep. 28, 2019		1,802
ENDING BALANCE at Sep. 28, 2019	$ 93,889	$ 53,907	$ 42,494	$ (6,617)	$ (907)	$ 88,877	$ 5,012		$ 93,889

[1] Excludes redeemable noncontrolling interest