Equity in the Income of Investees included in Segment Operating Results (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Mar. 28, 2020	Mar. 30, 2019	Mar. 28, 2020	Mar. 30, 2019
Schedule of Equity Method Investments
Equity Method Investment, Other than Temporary Impairment	[1]	$ 0	$ (353)	$ 0	$ (353)
Amortization of Intangible Assets Held by Equity Investees		(8)	0	(16)	0
Equity in the income / (loss) of investees		135	(309)	359	(233)
Media Networks
Schedule of Equity Method Investments
Equity in the income / (loss) of investees		179	182	372	361
Parks, Experiences and Products
Schedule of Equity Method Investments
Equity in the income / (loss) of investees		(6)	0	(9)	(12)
Direct-to-Consumer & International
Schedule of Equity Method Investments
Equity in the income / (loss) of investees		(30)	(138)	12	(229)
Total Segments
Schedule of Equity Method Investments
Equity in the income / (loss) of investees		$ 143	$ 44	$ 375	$ 120

[1] Reflects the impairment of Vice Group Holdings, Inc.