Disaggregation of Revenue by Major Source (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 27, 2026	Jun. 28, 2025	Jun. 27, 2026	Jun. 28, 2025
Disaggregation of Revenue [Line Items]
Revenues	$ 25,248	$ 23,650	$ 76,397	$ 71,961
Subscription and affiliate fees
Disaggregation of Revenue [Line Items]
Revenues	10,254	9,349	30,653	28,411
Advertising
Disaggregation of Revenue [Line Items]
Revenues	2,829	2,789	8,883	8,784
Theme park admissions
Disaggregation of Revenue [Line Items]
Revenues	3,253	2,996	9,646	9,002
Resorts and vacations
Disaggregation of Revenue [Line Items]
Revenues	2,766	2,373	7,740	6,953
Retail and wholesale sales of merchandise, food and beverage
Disaggregation of Revenue [Line Items]
Revenues	2,536	2,397	7,719	7,302
Merchandise licensing
Disaggregation of Revenue [Line Items]
Revenues	974	875	2,976	2,819
Content Sales
Disaggregation of Revenue [Line Items]
Revenues	1,596	1,782	5,317	5,089
Other
Disaggregation of Revenue [Line Items]
Revenues	1,040	1,089	3,463	3,601
Entertainment Segment
Disaggregation of Revenue [Line Items]
Revenues	11,345	10,704	34,669	32,258
Entertainment Segment \| Subscription and affiliate fees
Disaggregation of Revenue [Line Items]
Revenues	7,545	6,765	22,596	20,343
Entertainment Segment \| Advertising
Disaggregation of Revenue [Line Items]
Revenues	1,625	1,641	5,070	5,137
Entertainment Segment \| Merchandise licensing
Disaggregation of Revenue [Line Items]
Revenues	170	149	509	462
Entertainment Segment \| Content Sales
Disaggregation of Revenue [Line Items]
Revenues	1,596	1,698	5,257	4,877
Entertainment Segment \| Other
Disaggregation of Revenue [Line Items]
Revenues	409	451	1,237	1,439
Sports Segment
Disaggregation of Revenue [Line Items]
Revenues	4,500	4,308	14,018	13,692
Sports Segment \| Subscription and affiliate fees
Disaggregation of Revenue [Line Items]
Revenues	3,142	2,899	9,376	9,036
Sports Segment \| Advertising
Disaggregation of Revenue [Line Items]
Revenues	1,204	1,148	3,813	3,647
Sports Segment \| Content Sales
Disaggregation of Revenue [Line Items]
Revenues	0	84	60	212
Sports Segment \| Other
Disaggregation of Revenue [Line Items]
Revenues	154	177	769	797
Experiences Segment
Disaggregation of Revenue [Line Items]
Revenues	9,968	9,086	29,461	27,390
Experiences Segment \| Theme park admissions
Disaggregation of Revenue [Line Items]
Revenues	3,253	2,996	9,646	9,002
Experiences Segment \| Resorts and vacations
Disaggregation of Revenue [Line Items]
Revenues	2,766	2,373	7,740	6,953
Experiences Segment \| Retail and wholesale sales of merchandise, food and beverage
Disaggregation of Revenue [Line Items]
Revenues	2,536	2,397	7,719	7,302
Experiences Segment \| Merchandise licensing
Disaggregation of Revenue [Line Items]
Revenues	804	726	2,467	2,357
Experiences Segment \| Other
Disaggregation of Revenue [Line Items]
Revenues	609	594	1,889	1,776
Segment Eliminations
Disaggregation of Revenue [Line Items]
Revenues	(565)	(448)	(1,751)	(1,379)
Segment Eliminations \| Subscription and affiliate fees
Disaggregation of Revenue [Line Items]
Revenues	(433)	(315)	(1,319)	(968)
Segment Eliminations \| Other
Disaggregation of Revenue [Line Items]
Revenues	$ (132)	$ (133)	$ (432)	$ (411)