Borrowings including the impact of Interest Rate and Cross-Currency Swaps (Detail) - USD ($) $ in Millions		12 Months Ended
		Sep. 27, 2025	Sep. 28, 2024
Debt Instrument [Line Items]
Borrowings		$ 42,026	$ 45,815
Less current portion		6,711	6,845
Total long-term borrowings		35,315	38,970
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	10,558
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums		1,500	1,600
Qualifying hedges, market value adjustments for debt		700	900
Before International Theme Park Consolidation
Debt Instrument [Line Items]
Borrowings		40,951	44,523
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	10,558
Commercial Paper
Debt Instrument [Line Items]
Borrowings		$ 2,062	3,040
Borrowings, Stated Interest Rate	[2]	0.00%
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	$ 0
Borrowings, Effective Interest Rate	[3]	4.28%
U.S. Dollar Denominated Notes
Debt Instrument [Line Items]
Borrowings	[4]	$ 38,658	40,496
Borrowings, Stated Interest Rate	[2]	4.09%
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	$ 9,625
Borrowings, Effective Interest Rate	[3]	4.43%
U.S. Dollar Denominated Notes | Minimum
Debt Instrument [Line Items]
Borrowings, Stated Interest Rate		1.75%
Swap Maturity Year		Dec. 31, 2026
U.S. Dollar Denominated Notes | Maximum
Debt Instrument [Line Items]
Borrowings, Stated Interest Rate		8.45%
Swap Maturity Year		Dec. 31, 2031
Foreign currency denominated debt
Debt Instrument [Line Items]
Borrowings		$ 931	1,886
Borrowings, Stated Interest Rate	[2]	3.06%
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	$ 933
Borrowings, Effective Interest Rate	[3]	5.11%
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]	$ (700)	(899)
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	0
Asia International Theme Parks
Debt Instrument [Line Items]
Borrowings		$ 1,075	$ 1,292
Borrowings, Stated Interest Rate	[2]	8.00%
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	$ 0
Borrowings, Effective Interest Rate	[3]	4.55%
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]	$ 10,558

[1] Amounts represent notional values of interest rate and cross-currency swaps outstanding as of September 27, 2025.

[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 27, 2025; these rates are not necessarily an indication of future interest rates.

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

[4] Includes purchase accounting adjustments and net debt issuance costs and discounts totaling a net premium of $1.5 billion and $1.6 billion at September 27, 2025 and September 28, 2024, respectively.

[5] Includes market value adjustments for debt with qualifying hedges, which reduces borrowings by $0.7 billion and $0.9 billion at September 27, 2025 and September 28, 2024, respectively.