Condensed Consolidating Financial Information Condensed Consolidating Balance Sheets (Details) - USD ($) $ in Millions	Mar. 30, 2019	Sep. 30, 2018	Sep. 29, 2018
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and Cash Equivalents	$ 10,108		$ 4,150
Receivables	14,593		9,334
Inventories	1,445		1,392
Television costs and advances	5,408		1,314
Other current assets	1,257		635
Assets held for sale - discontinued operations	1,466		0
Total current assets	34,277		16,825
Film and television costs	24,353		7,888
Investments in subsidiaries	0		0
Other Investments	4,080		2,899
Parks, resorts and other property	31,017		29,540
Intangible assets, net	26,985		6,812
Goodwill	75,057		31,269
Noncurrent assets held for sale - discontinued operations	13,182		0
Intercompany receivables	0		0
Other Noncurrent Assets	5,391		3,365
Total assets	214,342		98,598
Accounts payable and other accrued liabilities	20,503	$ 10,518	9,479
Current portion of borrowings	19,158		3,790
Deferred revenue and other	4,281		4,591
Liabilities held for sale - discontinued operations	434		0
Total current liabilities	44,376		17,860
Borrowings	37,803		17,084
Deferred Tax Liabilities, Net, Noncurrent	11,208		3,109
Noncurrent liabilities held for sale - discontinued operations	2,659		0
Other long-term liabilities	12,854		6,590
Intercompany Payables	0		0
Liabilities, Noncurrent	64,524		26,783
Redeemable Noncontrolling Interest	1,103		1,123
Noncontrolling interests	14,401		4,059
Stockholders' Equity Attributable to Parent	89,938		48,773
Total equity	104,339	$ 52,716	52,832
Total liabilities and equity	214,342		98,598
Reclassifications & Eliminations
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and Cash Equivalents	0		0
Receivables	0		0
Inventories	0		0
Television costs and advances	0		0
Other current assets	0		0
Assets held for sale - discontinued operations	0
Total current assets	0		0
Film and television costs	0		0
Investments in subsidiaries	(284,352)		(149,586)
Other Investments	0		0
Parks, resorts and other property	0		0
Intangible assets, net	0		0
Goodwill	0		0
Noncurrent assets held for sale - discontinued operations	0
Intercompany receivables	(143,753)		(79,499)
Other Noncurrent Assets	(631)		(724)
Total assets	(428,736)		(229,809)
Accounts payable and other accrued liabilities	0		0
Current portion of borrowings	0		0
Deferred revenue and other	0		0
Liabilities held for sale - discontinued operations	0
Total current liabilities	0		0
Borrowings	0		0
Deferred Tax Liabilities, Net, Noncurrent	(631)		(724)
Noncurrent liabilities held for sale - discontinued operations	0
Other long-term liabilities	0		0
Intercompany Payables	(143,753)		(79,499)
Liabilities, Noncurrent	(144,384)		(80,223)
Redeemable Noncontrolling Interest	0		0
Noncontrolling interests	0		0
Stockholders' Equity Attributable to Parent	(284,352)		(149,586)
Total equity	(284,352)		(149,586)
Total liabilities and equity	(428,736)		(229,809)
TWDC
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and Cash Equivalents	4,133		0
Receivables	231		0
Inventories	0		0
Television costs and advances	0		0
Other current assets	0		0
Assets held for sale - discontinued operations	0
Total current assets	4,364		0
Film and television costs	0		0
Investments in subsidiaries	125,651		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 - discontinued operations	0
Intercompany receivables	4,226		0
Other Noncurrent Assets	110		0
Total assets	134,351		0
Accounts payable and other accrued liabilities	169		0
Current portion of borrowings	16,396		0
Deferred revenue and other	0		0
Liabilities held for sale - discontinued operations	0
Total current liabilities	16,565		0
Borrowings	20,353		0
Deferred Tax Liabilities, Net, Noncurrent	0		0
Noncurrent liabilities held for sale - discontinued operations	0
Other long-term liabilities	751		0
Intercompany Payables	6,744		0
Liabilities, Noncurrent	27,848		0
Redeemable Noncontrolling Interest	0		0
Noncontrolling interests	0		0
Stockholders' Equity Attributable to Parent	89,938		0
Total equity	89,938		0
Total liabilities and equity	134,351		0
Legacy Disney
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and Cash Equivalents	3		1,367
Receivables	0		155
Inventories	4		4
Television costs and advances	0		0
Other current assets	96		152
Assets held for sale - discontinued operations	0
Total current assets	103		1,678
Film and television costs	0		0
Investments in subsidiaries	158,701		149,586
Other Investments	0		0
Parks, resorts and other property	11		12
Intangible assets, net	0		0
Goodwill	0		0
Noncurrent assets held for sale - discontinued operations	0
Intercompany receivables	0		0
Other Noncurrent Assets	736		911
Total assets	159,551		152,187
Accounts payable and other accrued liabilities	292		688
Current portion of borrowings	2,506		3,751
Deferred revenue and other	26		115
Liabilities held for sale - discontinued operations	0
Total current liabilities	2,824		4,554
Borrowings	14,880		15,676
Deferred Tax Liabilities, Net, Noncurrent	0		0
Noncurrent liabilities held for sale - discontinued operations	0
Other long-term liabilities	2,863		3,685
Intercompany Payables	132,342		79,499
Liabilities, Noncurrent	150,085		98,860
Redeemable Noncontrolling Interest	0		0
Noncontrolling interests	0		0
Stockholders' Equity Attributable to Parent	6,642		48,773
Total equity	6,642		48,773
Total liabilities and equity	159,551		152,187
Non-Guarantor Subsidiaries
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and Cash Equivalents	5,972		2,783
Receivables	14,362		9,179
Inventories	1,441		1,388
Television costs and advances	5,408		1,314
Other current assets	1,161		483
Assets held for sale - discontinued operations	1,466
Total current assets	29,810		15,147
Film and television costs	24,353		7,888
Investments in subsidiaries	0		0
Other Investments	4,080		2,899
Parks, resorts and other property	31,006		29,528
Intangible assets, net	26,985		6,812
Goodwill	75,057		31,269
Noncurrent assets held for sale - discontinued operations	13,182
Intercompany receivables	139,527		79,499
Other Noncurrent Assets	5,176		3,178
Total assets	349,176		176,220
Accounts payable and other accrued liabilities	20,042		8,791
Current portion of borrowings	256		39
Deferred revenue and other	4,255		4,476
Liabilities held for sale - discontinued operations	434
Total current liabilities	24,987		13,306
Borrowings	2,570		1,408
Deferred Tax Liabilities, Net, Noncurrent	11,839		3,833
Noncurrent liabilities held for sale - discontinued operations	2,659
Other long-term liabilities	9,240		2,905
Intercompany Payables	4,667		0
Liabilities, Noncurrent	30,975		8,146
Redeemable Noncontrolling Interest	1,103		1,123
Noncontrolling interests	14,401		4,059
Stockholders' Equity Attributable to Parent	277,710		149,586
Total equity	292,111		153,645
Total liabilities and equity	$ 349,176		$ 176,220