General (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Aug. 31, 2020	Aug. 31, 2019	Aug. 31, 2020	Aug. 31, 2019	Dec. 01, 2019
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Revenues		$ 31	$ 6,533	$ 5,561	$ 16,043
Operating lease right-of-use assets	[1]	1,379		1,379
Operating lease liabilities		1,431		1,431
ASU 2016-02
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Operating lease right-of-use assets						$ 1,400
Operating lease liabilities						$ 1,400
Cruise onboard and other
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Revenues		31	2,056	1,881	5,110
Cruise onboard and other | Adjustment
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Revenues			200		299
Cruise
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Other operating		$ 208	805	$ 1,349	2,367
Cruise | Adjustment
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Other operating			$ 109		$ 198

[1] We adopted the provisions of Leases on December 1, 2019.