Fair Value Measurements, Derivative Instruments and Hedging Activities and Financial Risks - Reconciliation of Changes in Carrying Amounts of Intangible Assets Not Subject to Amortization (Details) $ in Millions	3 Months Ended
	Feb. 28, 2018 USD ($)
Indefinite-lived Intangible Assets [Roll Forward]
Beginning Balance	$ 1,179
Foreign currency translation adjustment	11
Ending Balance	1,190
NAA Segment
Indefinite-lived Intangible Assets [Roll Forward]
Beginning Balance	927
Foreign currency translation adjustment	0
Ending Balance	927
EA Segment
Indefinite-lived Intangible Assets [Roll Forward]
Beginning Balance	252
Foreign currency translation adjustment	11
Ending Balance	$ 263