Revenues and Segment Operating Income by Geographical Markets (Details) - USD ($) $ in Millions		12 Months Ended
		Oct. 02, 2021	Oct. 03, 2020	Sep. 28, 2019
Segment Reporting Information [Line Items]
Revenues		$ 67,418	$ 65,388	$ 69,607
Segment Operating Income	[1]	7,766	8,108	14,847
Americas
Segment Reporting Information [Line Items]
Revenues		54,157	51,992	53,805
Segment Operating Income		6,314	5,819	10,247
Europe
Segment Reporting Information [Line Items]
Revenues		6,690	7,333	8,006
Segment Operating Income		800	1,273	2,433
Asia Pacific
Segment Reporting Information [Line Items]
Revenues		6,571	6,063	7,796
Segment Operating Income		$ 652	$ 1,016	$ 2,167

[1] Equity in the income (loss) of investees is included in segment operating income as follows: 202120202019Disney Media and Entertainment Distribution$795  $696  $463  Disney Parks, Experiences and Products(19) (19) (13) Equity in the income of investees included in segment operating income776  677  450  Impairment of equity investments—  —  (538)  Amortization of TFCF intangible assets related to equity investees (15) (26) (15) Equity in the income (loss) of investees$761  $651  $(103)