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Fair Value Measurements, Derivative Instruments and Hedging Activities and Financial Risks - Reconciliation of Changes in Carrying Amounts of Goodwill (Details) $ in Millions | 9 Months Ended
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Aug. 31, 2019 USD ($)
Goodwill [Roll Forward] |
At November 30, 2018 | $ 2,925
Foreign currency translation adjustment | (39)
At August 31, 2019 | 2,886
NAA Segment |
Goodwill [Roll Forward] |
At November 30, 2018 | 1,898
Foreign currency translation adjustment | 0
At August 31, 2019 | 1,898
EA Segment |
Goodwill [Roll Forward] |
At November 30, 2018 | 1,027
Foreign currency translation adjustment | (39)
At August 31, 2019 | $ 988

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