Borrowings including the impact of Interest Rate and Cross-Currency Swaps (Detail) - USD ($) $ in Millions		12 Months Ended
		Sep. 28, 2024	Sep. 30, 2023
Debt Instrument [Line Items]
Borrowings		$ 45,815	$ 46,431
Less current portion		6,845	4,330
Total long-term borrowings		38,970	42,101
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	12,012
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums		1,600	1,800
Qualifying hedges, market value adjustments for debt		900	1,800
Before International Theme Park Consolidation
Debt Instrument [Line Items]
Borrowings		44,523	45,123
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	12,012
Commercial Paper
Debt Instrument [Line Items]
Borrowings		$ 3,040	1,476
Borrowings, Stated Interest Rate	[2]	0.00%
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	$ 0
Borrowings, Effective Interest Rate	[3]	5.47%
U.S. Dollar Denominated Notes
Debt Instrument [Line Items]
Borrowings	[4]	$ 40,496	43,504
Borrowings, Stated Interest Rate	[2]	4.06%
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	$ 10,125
Borrowings, Effective Interest Rate	[3]	4.71%
U.S. Dollar Denominated Notes | Minimum
Debt Instrument [Line Items]
Borrowings, Stated Interest Rate		1.75%
Swap Maturity Year		Dec. 31, 2025
U.S. Dollar Denominated Notes | Maximum
Debt Instrument [Line Items]
Borrowings, Stated Interest Rate		8.50%
Swap Maturity Year		Dec. 31, 2031
Foreign currency denominated debt
Debt Instrument [Line Items]
Borrowings		$ 1,886	1,872
Borrowings, Stated Interest Rate	[2]	2.91%
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	$ 1,887
Borrowings, Effective Interest Rate	[3]	4.80%
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]	$ (899)	(1,729)
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	0
Asia International Theme Parks
Debt Instrument [Line Items]
Borrowings		$ 1,292	$ 1,308
Borrowings, Stated Interest Rate	[2]	7.93%
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	$ 0
Borrowings, Effective Interest Rate	[3]	5.75%
Long Term Debt, Current Portion
Debt Instrument [Line Items]
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	$ 0
Non Current
Debt Instrument [Line Items]
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	$ 12,012

[1] Amounts represent notional values of interest rate and cross-currency swaps outstanding as of September 28, 2024.

[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 28, 2024; 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 $1.6 billion and $1.8 billion at September 28, 2024 and September 30, 2023, respectively.

[5] Includes market value adjustments for debt with qualifying hedges, which reduces borrowings by $0.9 billion and $1.8 billion at September 28, 2024 and September 30, 2023, respectively.