Revenues - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
Oct. 01, 2022	Oct. 02, 2021	Oct. 03, 2020
Contract with Customer, Performance Obligation Satisfied in Previous Period	$ 1,100	$ 1,300	$ 1,400
Revenue, Remaining Performance Obligation, Amount	15,000
Contract with Customer, Liability, Revenue Recognized	3,600	2,900	$ 3,400
Theme Park Admission and Vacation Packages
Deferred revenue and other	1,500
Broadcast programming
Long-Term Receivables, net of allowance for credit losses	600	800
Mortgage Receivable
Long-Term Receivables, net of allowance for credit losses	600	$ 600
Scenario, Unsatisfied performance obligation recognized in fiscal 2023
Revenue, Remaining Performance Obligation, Amount	6,000
Scenario, Unsatisfied performance obligation recognized in fiscal 2024
Revenue, Remaining Performance Obligation, Amount	4,000
Scenario, Unsatisfied performance obligation recognized in fiscal 2025
Revenue, Remaining Performance Obligation, Amount	2,000
Scenario, Unsatisfied performance obligation recognized thereafter
Revenue, Remaining Performance Obligation, Amount	$ 3,000

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130549-203045

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Amount of revenue recognized from performance obligation satisfied or partially satisfied in previous reporting periods. Includes, but is not limited to, change in transaction price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 12A
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL108322424-203045

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- Definition

Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(26)(c))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Amount, after allowance for credit loss, of accounts and financing receivables, classified as noncurrent. Includes, but is not limited to, notes and loan receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

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- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 13
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130556-203045

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