Fair Value Measurements, Derivative Instruments and Hedging Activities and Financial Risks - Impairment of Ships (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Aug. 31, 2021	Aug. 31, 2020	Aug. 31, 2021	Aug. 31, 2020
Property, Plant and Equipment [Line Items]
Total ship impairments	$ 475	$ 838	$ 524	$ 1,667
NAA Segment
Property, Plant and Equipment [Line Items]
Total ship impairments	273	836	273	1,356
EA Segment
Property, Plant and Equipment [Line Items]
Total ship impairments	$ 202	$ 2	$ 251	$ 311

The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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