Disaggregation of Revenue by Major Source (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 28, 2026	Mar. 29, 2025	Mar. 28, 2026	Mar. 29, 2025
Disaggregation of Revenue [Line Items]
Revenues	$ 25,168	$ 23,621	$ 51,149	$ 48,311
Subscription and affiliate fees
Disaggregation of Revenue [Line Items]
Revenues	10,582	9,606	20,399	19,062
Advertising
Disaggregation of Revenue [Line Items]
Revenues	2,802	2,755	6,054	5,995
Theme park admissions
Disaggregation of Revenue [Line Items]
Revenues	3,092	2,919	6,393	6,006
Resorts and vacations
Disaggregation of Revenue [Line Items]
Revenues	2,564	2,359	4,974	4,580
Retail and wholesale sales of merchandise, food and beverage
Disaggregation of Revenue [Line Items]
Revenues	2,442	2,333	5,183	4,905
Merchandise licensing
Disaggregation of Revenue [Line Items]
Revenues	865	852	2,002	1,944
Content Sales
Disaggregation of Revenue [Line Items]
Revenues	1,725	1,644	3,721	3,307
Other
Disaggregation of Revenue [Line Items]
Revenues	1,096	1,153	2,423	2,512
Entertainment Segment
Disaggregation of Revenue [Line Items]
Revenues	11,715	10,682	23,324	21,554
Entertainment Segment \| Subscription and affiliate fees
Disaggregation of Revenue [Line Items]
Revenues	7,801	6,858	15,051	13,578
Entertainment Segment \| Advertising
Disaggregation of Revenue [Line Items]
Revenues	1,670	1,598	3,445	3,496
Entertainment Segment \| Merchandise licensing
Disaggregation of Revenue [Line Items]
Revenues	146	148	339	313
Entertainment Segment \| Content Sales
Disaggregation of Revenue [Line Items]
Revenues	1,725	1,594	3,661	3,179
Entertainment Segment \| Other
Disaggregation of Revenue [Line Items]
Revenues	373	484	828	988
Sports Segment
Disaggregation of Revenue [Line Items]
Revenues	4,609	4,534	9,518	9,384
Sports Segment \| Subscription and affiliate fees
Disaggregation of Revenue [Line Items]
Revenues	3,251	3,080	6,234	6,137
Sports Segment \| Advertising
Disaggregation of Revenue [Line Items]
Revenues	1,132	1,157	2,609	2,499
Sports Segment \| Content Sales
Disaggregation of Revenue [Line Items]
Revenues	0	50	60	128
Sports Segment \| Other
Disaggregation of Revenue [Line Items]
Revenues	226	247	615	620
Experiences Segment
Disaggregation of Revenue [Line Items]
Revenues	9,487	8,889	19,493	18,304
Experiences Segment \| Theme park admissions
Disaggregation of Revenue [Line Items]
Revenues	3,092	2,919	6,393	6,006
Experiences Segment \| Resorts and vacations
Disaggregation of Revenue [Line Items]
Revenues	2,564	2,359	4,974	4,580
Experiences Segment \| Retail and wholesale sales of merchandise, food and beverage
Disaggregation of Revenue [Line Items]
Revenues	2,442	2,333	5,183	4,905
Experiences Segment \| Merchandise licensing
Disaggregation of Revenue [Line Items]
Revenues	719	704	1,663	1,631
Experiences Segment \| Other
Disaggregation of Revenue [Line Items]
Revenues	670	574	1,280	1,182
Segment Eliminations
Disaggregation of Revenue [Line Items]
Revenues	(643)	(484)	(1,186)	(931)
Segment Eliminations \| Subscription and affiliate fees
Disaggregation of Revenue [Line Items]
Revenues	(470)	(332)	(886)	(653)
Segment Eliminations \| Other
Disaggregation of Revenue [Line Items]
Revenues	$ (173)	$ (152)	$ (300)	$ (278)