Balances of Produced and Licensed Content Costs (Details) - USD ($) $ in Millions	Apr. 03, 2021	Oct. 03, 2020
Theatrical Film Costs [Abstract]
Released, less amortization	$ 5,468	$ 5,601
Completed, not released	1,234	732
In-process	3,823	3,581
In development or pre-production	240	278
Theatrical Film Costs	10,765	10,192
Television Costs [Abstract]
Released, less amortization	7,934	7,674
Completed, not released	947	543
In-process	3,050	2,094
In development or pre-production	209	93
Direct-to-television Film Costs	12,140	10,404
Licensed television programming rights and advances	6,157	6,597
Produced and Licensed Content, Total	29,062	27,193
Current portion	2,204	2,171
Non-current portion	26,858	25,022
Monetized individually
Theatrical Film Costs [Abstract]
Released, less amortization	2,811	3,000
Completed, not released	1,224	522
In-process	3,144	3,322
In development or pre-production	229	262
Theatrical Film Costs	7,408	7,106
Television Costs [Abstract]
Released, less amortization	1,874	2,090
Completed, not released	214	33
In-process	207	263
In development or pre-production	2	6
Direct-to-television Film Costs	2,297	2,392
Monetized as a group
Theatrical Film Costs [Abstract]
Released, less amortization	2,657	2,601
Completed, not released	10	210
In-process	679	259
In development or pre-production	11	16
Theatrical Film Costs	3,357	3,086
Television Costs [Abstract]
Released, less amortization	6,060	5,584
Completed, not released	733	510
In-process	2,843	1,831
In development or pre-production	207	87
Direct-to-television Film Costs	$ 9,843	$ 8,012