Borrowings including the impact of Interest Rate and Cross-Currency Swaps (Detail) - USD ($) $ in Millions		12 Months Ended
		Oct. 02, 2021	Oct. 03, 2020
Debt Instrument [Line Items]
Borrowings		$ 54,406	$ 58,628
Less current portion		5,866	5,711
Total long-term borrowings		48,540	52,917
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	15,141
Unamortized Loan Commitment and Origination Fees and Unamortized Discounts or Premiums		2,100	2,200
Qualifying hedges, market value adjustments for debt		99	509
Before International Theme Park Consolidation
Debt Instrument [Line Items]
Borrowings		$ 53,075	57,325
Borrowings, Stated Interest Rate	[2]	3.68%
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	$ 15,141
Borrowings, Effective Interest Rate	[3]	2.96%
Commercial Paper
Debt Instrument [Line Items]
Borrowings		$ 1,992	2,023
Borrowings, Stated Interest Rate	[2]	0.00%
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	$ 0
Borrowings, Effective Interest Rate	[3]	0.31%
U.S. Dollar Denominated Notes
Debt Instrument [Line Items]
Borrowings	[4]	$ 49,090	52,736
Borrowings, Stated Interest Rate	[2]	3.86%
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	$ 13,125
Borrowings, Effective Interest Rate	[3]	3.08%
U.S. Dollar Denominated Notes | Minimum
Debt Instrument [Line Items]
Borrowings, Stated Interest Rate		1.65%
Swap Maturity Year		Dec. 31, 2022
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		$ 2,011	1,983
Borrowings, Stated Interest Rate	[2]	2.92%
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	$ 2,016
Borrowings, Effective Interest Rate	[3]	2.83%
Swap Maturity Year		Dec. 31, 2027
Other
Debt Instrument [Line Items]
Custom Long-term Debt (contra)	[5]	$ (18)	583
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	0
Asia International Theme Parks
Debt Instrument [Line Items]
Borrowings		$ 1,331	$ 1,303
Borrowings, Stated Interest Rate	[2]	1.53%
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	$ 0
Borrowings, Effective Interest Rate	[3]	5.32%
Total borrowings
Debt Instrument [Line Items]
Borrowings, Stated Interest Rate	[2]	3.63%
Borrowings, Effective Interest Rate	[3]	3.02%
Long Term Debt, Current Portion
Debt Instrument [Line Items]
Borrowings, Stated Interest Rate	[2]	2.23%
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	$ 500
Borrowings, Effective Interest Rate	[3]	2.10%
Non Current
Debt Instrument [Line Items]
Interest rate and Cross-Currency Swaps, Pay Floating Interest Rate	[1]	$ 14,641

[1] Amounts represent notional values of interest rate and cross-currency swaps outstanding as of October 2, 2021.

[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 October 2, 2021; 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 $2.1 billion and a net premium of $2.2 billion at October 2, 2021 and October 3, 2020, respectively.

[5] Includes market value adjustments for debt with qualifying hedges, which reduces borrowings by $99 million and increases borrowings by $509 million at October 2, 2021 and October 3, 2020, respectively.