Financial Information by Operating Segments (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
Disney Media and Entertainment Distribution
Segment Reporting Information [Line Items]
Revenues		50,866	48,350	42,821
Segment Operating Income		7,295	7,653	7,528
Disney Parks, Experiences and Products
Segment Reporting Information [Line Items]
Revenues		16,552	17,038	26,786
Segment Operating Income		$ 471	$ 455	$ 7,319

[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)