Condensed Consolidating Financial Information Condensed Consolidating Balance Sheet (Details) - USD ($) $ in Millions		Sep. 28, 2019	Sep. 30, 2018	Sep. 29, 2018	Sep. 30, 2017
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents		$ 5,418		$ 4,150	$ 4,017
Receivables, net		15,481		9,334
Inventories		1,649		1,392
Television costs and advances		4,597		1,314
Other current assets		979		635
Total current assets		28,124		16,825
Film and television costs		22,810		7,888
Investments in subsidiaries		0		0
Other Long-term Investments		3,224		2,899
Parks, resorts and other property		31,603		29,540
Intangible assets, net		23,215		6,812
Goodwill		80,293		31,269	$ 31,426
Intercompany receivables		0		0
Other Noncurrent Assets		4,715		3,365
Total assets	[1]	193,984		98,598
Accounts payable and other accrued liabilities		17,762	$ 10,518	9,479
Current portion of borrowings		8,857		3,790
Deferred revenue and other		4,722		4,591
Total current liabilities		31,341		17,860
Borrowings		38,129		17,084
Deferred income taxes		7,902		3,109
Other long-term liabilities		13,760		6,590
Intercompany payables		0		0
Liabilities, Noncurrent		59,791		26,783
Redeemable noncontrolling interest		8,963		1,123
Stockholders' Equity Attributable to Parent		88,877		48,773
Noncontrolling interests		5,012		4,059
Equity		93,889	$ 52,716	52,832
Total liabilities and equity		193,984		98,598
Reclassifications & Eliminations
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents		0		0
Receivables, net		0		0
Inventories		0		0
Television costs and advances		0		0
Other current assets		(6)		0
Total current assets		(6)		0
Film and television costs		0		0
Investments in subsidiaries		(407,040)		(149,880)
Other Long-term Investments		0		0
Parks, resorts and other property		0		0
Intangible assets, net		0		0
Goodwill		0		0
Intercompany receivables		(143,574)		(79,793)
Other Noncurrent Assets		(1,216)		(724)
Total assets		(551,836)		(230,397)
Accounts payable and other accrued liabilities		0		0
Current portion of borrowings		0		0
Deferred revenue and other		(6)		0
Total current liabilities		(6)		0
Borrowings		0		0
Deferred income taxes		(1,216)		(724)
Other long-term liabilities		0		0
Intercompany payables		(143,574)		(79,793)
Liabilities, Noncurrent		(144,790)		(80,517)
Redeemable noncontrolling interest		0		0
Stockholders' Equity Attributable to Parent		(407,040)		(149,880)
Noncontrolling interests		0		0
Equity		(407,040)		(149,880)
Total liabilities and equity		(551,836)		(230,397)
TWDC
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents		554		0
Receivables, net		499		0
Inventories		0		0
Television costs and advances		0		0
Other current assets		83		0
Total current assets		1,136		0
Film and television costs		0		0
Investments in subsidiaries		125,999		0
Other Long-term Investments		0		0
Parks, resorts and other property		0		0
Intangible assets, net		0		0
Goodwill		0		0
Intercompany receivables		0		0
Other Noncurrent Assets		314		0
Total assets		127,449		0
Accounts payable and other accrued liabilities		371		0
Current portion of borrowings		5,721		0
Deferred revenue and other				0
Total current liabilities		6,092		0
Borrowings		23,182		0
Deferred income taxes		0		0
Other long-term liabilities		859		0
Intercompany payables		8,439		0
Liabilities, Noncurrent		32,480		0
Redeemable noncontrolling interest		0		0
Stockholders' Equity Attributable to Parent		88,877		0
Noncontrolling interests		0		0
Equity		88,877		0
Total liabilities and equity		127,449		0
Legacy Disney
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents		0		1,367
Receivables, net		1		155
Inventories		4		4
Television costs and advances		0		0
Other current assets		4		152
Total current assets		9		1,678
Film and television costs		0		0
Investments in subsidiaries		281,041		149,880
Other Long-term Investments		0		0
Parks, resorts and other property		8		12
Intangible assets, net		0		0
Goodwill		0		0
Intercompany receivables		0		0
Other Noncurrent Assets		1,076		911
Total assets		282,134		152,481
Accounts payable and other accrued liabilities		279		688
Current portion of borrowings		3,007		3,751
Deferred revenue and other		27		115
Total current liabilities		3,313		4,554
Borrowings		13,061		15,676
Deferred income taxes		0		0
Other long-term liabilities		4,626		3,685
Intercompany payables		135,135		79,793
Liabilities, Noncurrent		152,822		99,154
Redeemable noncontrolling interest		0		0
Stockholders' Equity Attributable to Parent		125,999		48,773
Noncontrolling interests		0		0
Equity		125,999		48,773
Total liabilities and equity		282,134		152,481
Non-Guarantor Subsidiaries
Condensed Balance Sheet Statements, Captions [Line Items]
Cash and cash equivalents		4,864		2,783
Receivables, net		14,981		9,179
Inventories		1,645		1,388
Television costs and advances		4,597		1,314
Other current assets		898		483
Total current assets		26,985		15,147
Film and television costs		22,810		7,888
Investments in subsidiaries		0		0
Other Long-term Investments		3,224		2,899
Parks, resorts and other property		31,595		29,528
Intangible assets, net		23,215		6,812
Goodwill		80,293		31,269
Intercompany receivables		143,574		79,793
Other Noncurrent Assets		4,541		3,178
Total assets		336,237		176,514
Accounts payable and other accrued liabilities		17,112		8,791
Current portion of borrowings		129		39
Deferred revenue and other		4,701		4,476
Total current liabilities		21,942		13,306
Borrowings		1,886		1,408
Deferred income taxes		9,118		3,833
Other long-term liabilities		8,275		2,905
Intercompany payables		0		0
Liabilities, Noncurrent		19,279		8,146
Redeemable noncontrolling interest		8,963		1,123
Stockholders' Equity Attributable to Parent		281,041		149,880
Noncontrolling interests		5,012		4,059
Equity		286,053		153,939
Total liabilities and equity		$ 336,237		$ 176,514

[1] Equity method investments included in identifiable assets by segment are as follows:   September 28, 2019   September 29, 2018 Media Networks $ 2,018
  $ 2,430
Parks, Experiences and Products 3
  1
Studio Entertainment 8
  1
Direct-to-Consumer & International 821
  320
Corporate 72
  16
  $ 2,922
  $ 2,768
Intangible assets included in identifiable assets by segment are as follows:   September 28, 2019   September 29, 2018 Media Networks $ 7,861
  $ 1,546
Parks, Experiences and Products 3,122
  3,167
Studio Entertainment 2,085
  1,479
Direct-to-Consumer & International 9,962
  490
Corporate 185
  130
  $ 23,215
  $ 6,812