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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, 2020 | Aug. 31, 2020
NAA Segment |  |
Property, Plant and Equipment [Line Items] |  |
Ship impairment charges | $ 836 | $ 1,400
EA Segment |  |
Property, Plant and Equipment [Line Items] |  |
Ship impairment charges | $ 2 | $ 311

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- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 + Details
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