Condensed Consolidating Financial Information Condensed Consolidating Balance Sheets (Details) - USD ($) $ in Millions	Jun. 29, 2019	Sep. 30, 2018	Sep. 29, 2018
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and Cash Equivalents	$ 6,728		$ 4,150
Receivables, Net	15,673		9,334
Inventories	1,516		1,392
Television costs and advances	4,526		1,314
Other current assets	1,035		635
Assets held for sale	1,892		0
Total current assets	31,370		16,825
Film and television costs	22,552		7,888
Investments in subsidiaries	0		0
Other Investments	3,872		2,899
Parks, resorts and other property	31,392		29,540
Intangible assets, net	25,114		6,812
Goodwill	77,801		31,269
Noncurrent assets held for sale	12,591		0
Intercompany receivables	0		0
Other Noncurrent Assets	4,783		3,365
Total assets	209,475		98,598
Accounts payable and other accrued liabilities	17,647	$ 10,518	9,479
Current portion of borrowings	21,923		3,790
Deferred revenue and other	4,730		4,591
Liabilities held for sale	293		0
Total current liabilities	44,593		17,860
Borrowings	36,311		17,084
Deferred Tax Liabilities, Net, Noncurrent	10,404		3,109
Noncurrent liabilities held for sale	2,353		0
Other long-term liabilities	10,561		6,590
Intercompany Payables	0		0
Liabilities, Noncurrent	59,629		26,783
Redeemable Noncontrolling Interests	8,897		1,123
Noncontrolling interests	5,884		4,059
Stockholders' Equity Attributable to Parent	90,472		48,773
Total equity	96,356	$ 52,716	52,832
Total liabilities and equity	209,475		98,598
Reclassifications & Eliminations
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and Cash Equivalents	0		0
Receivables, Net	(1)		0
Inventories	0		0
Television costs and advances	0		0
Other current assets	0		0
Assets held for sale	0
Total current assets	(1)		0
Film and television costs	0		0
Investments in subsidiaries	(407,355)		(149,880)
Other Investments	0		0
Parks, resorts and other property	0		0
Intangible assets, net	0		0
Goodwill	0		0
Noncurrent assets held for sale	0
Intercompany receivables	(138,413)		(79,793)
Other Noncurrent Assets	(508)		(724)
Total assets	(546,277)		(230,397)
Accounts payable and other accrued liabilities	(1)		0
Current portion of borrowings	0		0
Deferred revenue and other	(203)		0
Liabilities held for sale	0
Total current liabilities	(204)		0
Borrowings	0		0
Deferred Tax Liabilities, Net, Noncurrent	(305)		(724)
Noncurrent liabilities held for sale	0
Other long-term liabilities	0		0
Intercompany Payables	(138,413)		(79,793)
Liabilities, Noncurrent	(138,718)		(80,517)
Redeemable Noncontrolling Interests	0		0
Noncontrolling interests	0		0
Stockholders' Equity Attributable to Parent	(407,355)		(149,880)
Total equity	(407,355)		(149,880)
Total liabilities and equity	(546,277)		(230,397)
TWDC
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and Cash Equivalents	752		0
Receivables, Net	434		0
Inventories	0		0
Television costs and advances	0		0
Other current assets	99		0
Assets held for sale	0
Total current assets	1,285		0
Film and television costs	0		0
Investments in subsidiaries	127,471		0
Other Investments	0		0
Parks, resorts and other property	0		0
Intangible assets, net	0		0
Goodwill	0		0
Noncurrent assets held for sale	0
Intercompany receivables	4,001		0
Other Noncurrent Assets	311		0
Total assets	133,068		0
Accounts payable and other accrued liabilities	1,905		0
Current portion of borrowings	19,014		0
Deferred revenue and other	16		0
Liabilities held for sale	0
Total current liabilities	20,935		0
Borrowings	20,319		0
Deferred Tax Liabilities, Net, Noncurrent	0		0
Noncurrent liabilities held for sale	0
Other long-term liabilities	860		0
Intercompany Payables	482		0
Liabilities, Noncurrent	21,661		0
Redeemable Noncontrolling Interests	0		0
Noncontrolling interests	0		0
Stockholders' Equity Attributable to Parent	90,472		0
Total equity	90,472		0
Total liabilities and equity	133,068		0
Legacy Disney
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and Cash Equivalents	0		1,367
Receivables, Net	0		155
Inventories	4		4
Television costs and advances	0		0
Other current assets	8		152
Assets held for sale	0
Total current assets	12		1,678
Film and television costs	0		0
Investments in subsidiaries	279,884		149,880
Other Investments	0		0
Parks, resorts and other property	10		12
Intangible assets, net	0		0
Goodwill	0		0
Noncurrent assets held for sale	0
Intercompany receivables	0		0
Other Noncurrent Assets	501		911
Total assets	280,407		152,481
Accounts payable and other accrued liabilities	267		688
Current portion of borrowings	2,757		3,751
Deferred revenue and other	37		115
Liabilities held for sale	0
Total current liabilities	3,061		4,554
Borrowings	13,770		15,676
Deferred Tax Liabilities, Net, Noncurrent	0		0
Noncurrent liabilities held for sale	0
Other long-term liabilities	2,175		3,685
Intercompany Payables	133,930		79,793
Liabilities, Noncurrent	149,875		99,154
Redeemable Noncontrolling Interests	0		0
Noncontrolling interests	0		0
Stockholders' Equity Attributable to Parent	127,471		48,773
Total equity	127,471		48,773
Total liabilities and equity	280,407		152,481
Non-Guarantor Subsidiaries
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and Cash Equivalents	5,976		2,783
Receivables, Net	15,240		9,179
Inventories	1,512		1,388
Television costs and advances	4,526		1,314
Other current assets	928		483
Assets held for sale	1,892
Total current assets	30,074		15,147
Film and television costs	22,552		7,888
Investments in subsidiaries	0		0
Other Investments	3,872		2,899
Parks, resorts and other property	31,382		29,528
Intangible assets, net	25,114		6,812
Goodwill	77,801		31,269
Noncurrent assets held for sale	12,591
Intercompany receivables	134,412		79,793
Other Noncurrent Assets	4,479		3,178
Total assets	342,277		176,514
Accounts payable and other accrued liabilities	15,476		8,791
Current portion of borrowings	152		39
Deferred revenue and other	4,880		4,476
Liabilities held for sale	293
Total current liabilities	20,801		13,306
Borrowings	2,222		1,408
Deferred Tax Liabilities, Net, Noncurrent	10,709		3,833
Noncurrent liabilities held for sale	2,353
Other long-term liabilities	7,526		2,905
Intercompany Payables	4,001		0
Liabilities, Noncurrent	26,811		8,146
Redeemable Noncontrolling Interests	8,897		1,123
Noncontrolling interests	5,884		4,059
Stockholders' Equity Attributable to Parent	279,884		149,880
Total equity	285,768		153,939
Total liabilities and equity	$ 342,277		$ 176,514