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Fair Value Measurements, Derivative Instruments and Hedging Activities and Financial Risk - Reconciliation of Changes in Carrying Amounts of Goodwill (Details) - USD ($) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 31, 2019 | Jul. 31, 2018 | Nov. 30, 2019 | Nov. 30, 2018 | Nov. 30, 2017
Goodwill [Line Items] |  |  |  |  |
Goodwill and trademark impairment | $ 0 | $ 0 | $ 0 | $ 0 | $ 89,000,000
Goodwill |  |  | 2,925,000,000 | 2,967,000,000 | 2,967,000,000
Goodwill impairment charge |  |  |  |  | 38,000,000
Goodwill [Roll Forward] |  |  |  |  |
Beginning Balance |  |  | 2,925,000,000 | 2,967,000,000 |
Foreign currency translation adjustment |  |  | (13,000,000) | (42,000,000) |
Ending Balance |  |  | 2,912,000,000 | 2,925,000,000 | 2,967,000,000
Costa |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Goodwill |  |  | 435,000,000 |  |
Goodwill [Roll Forward] |  |  |  |  |
Ending Balance |  |  | 435,000,000 |  |
NAA Segment |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Goodwill and trademark impairment |  |  |  |  | 89,000,000
Goodwill |  |  | 1,898,000,000 | 1,898,000,000 | 1,898,000,000
Goodwill [Roll Forward] |  |  |  |  |
Beginning Balance |  |  | 1,898,000,000 | 1,898,000,000 |
Foreign currency translation adjustment |  |  | 0 | 0 |
Ending Balance |  |  | 1,898,000,000 | 1,898,000,000 | 1,898,000,000
EA Segment |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Goodwill |  |  | 1,014,000,000 | 1,027,000,000 | 1,069,000,000
Goodwill [Roll Forward] |  |  |  |  |
Beginning Balance |  |  | 1,027,000,000 | 1,069,000,000 |
Foreign currency translation adjustment |  |  | (13,000,000) | (42,000,000) |
Ending Balance |  |  | 1,014,000,000 | $ 1,027,000,000 | $ 1,069,000,000
EA Segment | Costa |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Goodwill impairment charge |  |  | $ 0 |  |

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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