Reconciliation of Segment Operating Income to Income before Income Taxes (Details) - USD ($) $ in Millions		12 Months Ended
		Oct. 02, 2021	Oct. 03, 2020	Sep. 28, 2019
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment Operating Income	[1]	$ 7,766	$ 8,108	$ 14,847
Corporate and unallocated shared expenses		(928)	(817)	(987)
Restructuring and impairment charges		(654)	(5,735)	(1,183)
Other income, net		201	1,038	4,357
Interest expense, net		(1,406)	(1,491)	(978)
TFCF and Hulu acquisition amortization	[2]	(2,418)	(2,846)	(1,595)
Equity Method Investment, Other than Temporary Impairment		0	0	(538)	[3]
Income (loss) from continuing operations before income taxes		$ 2,561	$ (1,743)	$ 13,923

[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) 

[2] For fiscal 2021, amortization of intangible assets, fair value step-up on film and television costs and intangibles related to TFCF equity investees were $1,757 million, $646 million and $15 million, respectively. For fiscal 2020, amortization of intangible assets, fair value step-up on film and television costs and intangibles related to TFCF equity investees were $1,921 million, $899 million and $26 million, respectively. For fiscal 2019, amortization of intangible assets, fair value step-up on film and television costs and intangibles related to TFCF equity investees were $1,043 million, $537 million and $15 million, respectively.

[3] Impairment of equity investments for fiscal 2019 primarily reflects the impairments of Vice Group Holding Inc. and of an investment in a cable channel at A+E Television Networks ($353 million and $170 million, respectively).