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	6 Months Ended
	May 31, 2018 USD ($)
Indefinite-lived Intangible Assets [Roll Forward]
Beginning balance	$ 1,179
Foreign currency translation adjustment	(3)
Ending balance	1,176
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	(3)
Ending balance	$ 248