Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Nov. 30, 2023	Nov. 30, 2022	Nov. 30, 2021	Dec. 01, 2022
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Lease term (in years)	1 year
Fees, taxes, and charges	$ 730	$ 438	$ 73
Customer deposits	6,400	5,100
Unredeemable future cruise credits	134	210
Refundable future cruise credits	111
Revenues recognized related to customer deposits	4,100	1,900
Contract assets	294	218
Selling expenses	851	744	$ 340
Long-term debt	31,339
Additional paid-in capital	(16,712)	(16,872)
Retained earnings	$ (185)	$ (269)
Change in accounting principle | Accounting Standards Update 2020-01
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Long-term debt				$ 239
Additional paid-in capital				229
Retained earnings				$ 10
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Lease renewal term (in years)	1 year
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Lease renewal term (in years)	10 years
Ships
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Average useful lives of property and equipment (in years)	30 years
Residual value of original cost (percent)	15.00%