Condensed Consolidating Statements of Income (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 28, 2019	Dec. 29, 2018
Condensed Income Statements, Captions [Line Items]
Revenues	$ 20,858	$ 15,303
Operating expenses	(13,016)	(9,001)
Selling, general, administrative and other	(3,703)	(2,152)
Depreciation and amortization	(1,298)	(732)
Total costs and expenses	(18,017)	(11,885)
Restructuring and impairment charges	(150)	0
Allocations to non-guarantor subsidiaries	0	0
Other income (expense), net	0	0
Interest expense, net	(283)	(63)
Equity in the income of investees	224	76
Income from continuing operations before income taxes	2,632	3,431
Income taxes on continuing operations	(459)	(645)
Earnings from subsidiary entities	0	0
Net Income from Continuing Operations	2,173	2,786
Income (loss) from discontinued operations	(26)	0
Net income	2,147	2,786
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest	40	(2)
Net income attributable to The Walt Disney Company (Disney)	2,107	2,788
Comprehensive income excluding noncontrolling interests	2,191	2,809
Reclassifications & Eliminations
Condensed Income Statements, Captions [Line Items]
Revenues	78	55
Operating expenses	0	0
Selling, general, administrative and other	0	0
Depreciation and amortization	0	0
Total costs and expenses	0	0
Restructuring and impairment charges	0
Allocations to non-guarantor subsidiaries	0	0
Other income (expense), net	(78)	(55)
Interest expense, net	0	0
Equity in the income of investees	0	0
Income from continuing operations before income taxes	0	0
Income taxes on continuing operations	0	0
Earnings from subsidiary entities	(4,882)	(2,839)
Net Income from Continuing Operations	(4,882)
Income (loss) from discontinued operations	52
Net income	(4,830)	(2,839)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest	0	0
Net income attributable to The Walt Disney Company (Disney)	(4,830)	(2,839)
Comprehensive income excluding noncontrolling interests	(5,105)	(2,800)
TWDC
Condensed Income Statements, Captions [Line Items]
Revenues	0	0
Operating expenses	0	0
Selling, general, administrative and other	0	0
Depreciation and amortization	0	0
Total costs and expenses	0	0
Restructuring and impairment charges	0
Allocations to non-guarantor subsidiaries	(2)	0
Other income (expense), net	(1)	0
Interest expense, net	(313)	(65)
Equity in the income of investees	0	0
Income from continuing operations before income taxes	(316)	(65)
Income taxes on continuing operations	55	12
Earnings from subsidiary entities	2,394	0
Net Income from Continuing Operations	2,133
Income (loss) from discontinued operations	(26)
Net income	2,107	(53)
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest	0	0
Net income attributable to The Walt Disney Company (Disney)	2,107	(53)
Comprehensive income excluding noncontrolling interests	2,191	(53)
Legacy Disney
Condensed Income Statements, Captions [Line Items]
Revenues	0	0
Operating expenses	0	0
Selling, general, administrative and other	(126)	(141)
Depreciation and amortization	0	0
Total costs and expenses	(126)	(141)
Restructuring and impairment charges	0
Allocations to non-guarantor subsidiaries	118	127
Other income (expense), net	(2)	76
Interest expense, net	(104)	(125)
Equity in the income of investees	0	0
Income from continuing operations before income taxes	(114)	(63)
Income taxes on continuing operations	20	12
Earnings from subsidiary entities	2,488	2,839
Net Income from Continuing Operations	2,394
Income (loss) from discontinued operations	(26)
Net income	2,368	2,788
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest	0	0
Net income attributable to The Walt Disney Company (Disney)	2,368	2,788
Comprehensive income excluding noncontrolling interests	2,556	2,809
Non-Guarantor Subsidiaries
Condensed Income Statements, Captions [Line Items]
Revenues	20,780	15,248
Operating expenses	(13,016)	(9,001)
Selling, general, administrative and other	(3,577)	(2,011)
Depreciation and amortization	(1,298)	(732)
Total costs and expenses	(17,891)	(11,744)
Restructuring and impairment charges	(150)
Allocations to non-guarantor subsidiaries	(116)	(127)
Other income (expense), net	81	(21)
Interest expense, net	134	127
Equity in the income of investees	224	76
Income from continuing operations before income taxes	3,062	3,559
Income taxes on continuing operations	(534)	(669)
Earnings from subsidiary entities	0	0
Net Income from Continuing Operations	2,528
Income (loss) from discontinued operations	(26)
Net income	2,502	2,890
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest	40	(2)
Net income attributable to The Walt Disney Company (Disney)	2,462	2,892
Comprehensive income excluding noncontrolling interests	$ 2,549	$ 2,853