Borrowings including the impact of Interest Rate and Cross-Currency Swaps (Detail) - USD ($) $ in Millions		12 Months Ended
		Sep. 30, 2023	Oct. 01, 2022
Debt Instrument [Line Items]
Borrowings		$ 46,431	$ 48,369
Less current portion		4,330	3,070
Total long-term borrowings		42,101	45,299
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	13,503
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums		1,800	1,900
Qualifying hedges, market value adjustments for debt		1,800	1,700
Before International Theme Park Consolidation
Debt Instrument [Line Items]
Borrowings		$ 45,123	46,944
Borrowings, Stated Interest Rate	[2]	3.85%
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	$ 13,503
Borrowings, Effective Interest Rate	[3]	4.92%
Commercial Paper
Debt Instrument [Line Items]
Borrowings		$ 1,476	1,662
Borrowings, Stated Interest Rate	[2]	0.00%
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	$ 0
Borrowings, Effective Interest Rate	[3]	5.62%
U.S. Dollar Denominated Notes
Debt Instrument [Line Items]
Borrowings	[4]	$ 43,504	45,091
Borrowings, Stated Interest Rate	[2]	4.03%
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	$ 11,625
Borrowings, Effective Interest Rate	[3]	4.90%
U.S. Dollar Denominated Notes | Minimum
Debt Instrument [Line Items]
Borrowings, Stated Interest Rate		1.75%
Swap Maturity Year		Dec. 31, 2024
U.S. Dollar Denominated Notes | Maximum
Debt Instrument [Line Items]
Borrowings, Stated Interest Rate		9.50%
Swap Maturity Year		Dec. 31, 2031
Foreign currency denominated debt
Debt Instrument [Line Items]
Borrowings		$ 1,872	1,844
Borrowings, Stated Interest Rate	[2]	2.92%
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	$ 1,878
Borrowings, Effective Interest Rate	[3]	4.99%
Foreign currency denominated debt | Minimum
Debt Instrument [Line Items]
Swap Maturity Year		Dec. 31, 2025
Foreign currency denominated debt | Maximum
Debt Instrument [Line Items]
Swap Maturity Year		Dec. 31, 2027
Other
Debt Instrument [Line Items]
Custom Long-term Debt (contra)	[5]	$ (1,729)	(1,653)
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	0
Asia International Theme Parks
Debt Instrument [Line Items]
Borrowings		$ 1,308	$ 1,425
Borrowings, Stated Interest Rate	[2]	1.86%
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	$ 0
Borrowings, Effective Interest Rate	[3]	5.90%
Total borrowings
Debt Instrument [Line Items]
Borrowings, Stated Interest Rate	[2]	3.94%
Borrowings, Effective Interest Rate	[3]	4.95%
Long Term Debt, Current Portion
Debt Instrument [Line Items]
Borrowings, Stated Interest Rate	[2]	2.35%
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	$ 0
Borrowings, Effective Interest Rate	[3]	5.12%
Non Current
Debt Instrument [Line Items]
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	$ 13,503

[1] Amounts represent notional values of interest rate and cross-currency swaps outstanding as of September 30, 2023.

[2] The stated interest rate represents the weighted-average coupon rate for each category of borrowings. For floating-rate borrowings, interest rates are the rates in effect at September 30, 2023; these rates are not necessarily an indication of future interest rates.

[3] The effective interest rate includes the impact of existing and terminated interest rate and cross-currency swaps, purchase accounting adjustments and debt issuance premiums, discounts and costs.

[4] Includes net debt issuance discounts, costs and purchase accounting adjustments totaling a net premium of $1.8 billion and $1.9 billion at September 30, 2023 and October 1, 2022, respectively.

[5] Includes market value adjustments for debt with qualifying hedges, which reduces borrowings by $1.8 billion and $1.7 billion at September 30, 2023 and October 1, 2022, respectively.