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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, 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

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- Definition 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). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123351718&loc=d3e2420-110228 + Details
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