Restructuring and Impairment Charges - Additional Information (Detail) - USD ($) $ in Millions		12 Months Ended
		Sep. 27, 2025	Sep. 28, 2024	Sep. 30, 2023
Restructuring Cost and Reserve [Line Items]
Goodwill, Impairment Loss	[1]		$ 2,622
Restructuring and impairment charges		$ 819	3,595	$ 3,892
Russia Business Exit
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges				100
Consumer Products and Online Asset Impairments
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges			300
Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges			100	400
Entertainment Linear Networks
Restructuring Cost and Reserve [Line Items]
Goodwill, Impairment Loss		0	1,287	721
Content Curation
Restructuring Cost and Reserve [Line Items]
Asset Impairment Charges		100	200	2,600
Star India
Restructuring Cost and Reserve [Line Items]
Goodwill, Impairment Loss		75	$ 1,545	$ 0
A&E and Tata Play Limited
Restructuring Cost and Reserve [Line Items]
Asset Impairment Charges		$ 600

[1] Fiscal 2024 reflects impairments related to entertainment linear networks and Star India (see Note 18).