Cash, Cash Equivalents, Restricted Cash and Borrowings - Additional Information (Details) $ in Millions, $ in Millions			3 Months Ended	6 Months Ended
	Apr. 30, 2020 USD ($)	Mar. 30, 2020 CAD ($)	Mar. 28, 2020 USD ($)	Mar. 28, 2020 USD ($)	Mar. 30, 2020 USD ($)
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity			$ 12,250	$ 12,250
Line of Credit Facility, Interest Rate Description			All of the above bank facilities allow for borrowings at LIBOR-based rates plus a spread depending on the credit default swap spread applicable to the Company’s debt, subject to a cap and floor that vary with the Company’s debt rating assigned by Moody’s Investors Service and Standard & Poor’s. The spread above LIBOR can range from 0.18% to 1.63%.
Letters of Credit Outstanding, Amount			$ 1,000	$ 1,000
Foreign Currency Denominated Canadian Debt [Member] | Subsequent Event [Member]
Debt Instrument [Line Items]
Long-term Debt		$ 1,300			$ 925
Debt Instrument, Interest Rate, Stated Percentage		3.057%			3.057%
Debt Instrument, Maturity Date		Mar. 31, 2027
Minimum
Debt Instrument [Line Items]
Variable Spread Above LIBOR				0.18%
Maximum
Debt Instrument [Line Items]
Variable Spread Above LIBOR				1.63%
Existing Line of Credit 3
Debt Instrument [Line Items]
Line of Credit Facility, Initial Borrowing Capacity			6,000	$ 6,000
Line of Credit Facility, Increase (Decrease), Net			5,250
Line of Credit Facility, Maximum Borrowing Capacity			5,250	$ 5,250
Line of Credit Facility, Expiration Date				Mar. 31, 2021
Existing Line Of Credit 1
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity			4,000	$ 4,000
Line of Credit Facility, Expiration Date				Mar. 31, 2023
Existing Line of Credit 2
Debt Instrument [Line Items]
Line of Credit Facility, Initial Borrowing Capacity			2,250	$ 2,250
Line of Credit Facility, Increase (Decrease), Net			3,000
Line of Credit Facility, Maximum Borrowing Capacity			3,000	$ 3,000
Line of Credit Facility, Expiration Date				Mar. 31, 2025
Line of Credit 4 | Subsequent Event [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	$ 5,000
Debt Instrument, Maturity Date		Apr. 30, 2021
Line of Credit 4 | Minimum | Subsequent Event [Member]
Debt Instrument [Line Items]
Variable Spread Above LIBOR	1.025%
Line of Credit 4 | Maximum | Subsequent Event [Member]
Debt Instrument [Line Items]
Variable Spread Above LIBOR	1.80%
Letter of Credit
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity			500	$ 500
Disney Cruise Line
Debt Instrument [Line Items]
Loan to Cost Ratio				80.00%
Disney Cruise Line | Credit Facility available beginning April 2021
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity			$ 1,000	$ 1,000
Debt Instrument, Interest Rate, Stated Percentage			3.48%	3.48%
Disney Cruise Line | Credit Facility available beginning May 2022
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity			$ 1,100	$ 1,100
Debt Instrument, Interest Rate, Stated Percentage			3.72%	3.72%
Disney Cruise Line | Credit Facility available beginning April 2023
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity			$ 1,100	$ 1,100
Debt Instrument, Interest Rate, Stated Percentage			3.74%	3.74%