Balances of Produced and Licensed Content Costs (Details) - USD ($) $ in Millions	Jan. 02, 2021	Oct. 03, 2020
Theatrical Film Costs [Abstract]
Released, less amortization	$ 5,677	$ 5,601
Completed, not released	479	732
In-process	4,220	3,581
In development or pre-production	275	278
Theatrical Film Costs	10,651	10,192
Television Costs [Abstract]
Released, less amortization	7,616	7,674
Completed, not released	630	543
In-process	2,882	2,094
In development or pre-production	150	93
Direct-to-television Film Costs	11,278	10,404
Licensed television programming rights and advances	5,423	6,597
Produced and Licensed Content, Total	27,352	27,193
Current portion	1,423	2,171
Non-current portion	25,929	25,022
Monetized individually
Theatrical Film Costs [Abstract]
Released, less amortization	2,775	3,000
Completed, not released	473	522
In-process	3,965	3,322
In development or pre-production	275	262
Theatrical Film Costs	7,488	7,106
Television Costs [Abstract]
Released, less amortization	1,893	2,090
Completed, not released	58	33
In-process	255	263
In development or pre-production	4	6
Direct-to-television Film Costs	2,210	2,392
Monetized as a group
Theatrical Film Costs [Abstract]
Released, less amortization	2,902	2,601
Completed, not released	6	210
In-process	255	259
In development or pre-production	0	16
Theatrical Film Costs	3,163	3,086
Television Costs [Abstract]
Released, less amortization	5,723	5,584
Completed, not released	572	510
In-process	2,627	1,831
In development or pre-production	146	87
Direct-to-television Film Costs	$ 9,068	$ 8,012