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, 2019 USD ($)
Indefinite-lived Intangible Assets [Roll Forward]
Beginning balance	$ 1,169
Foreign currency translation adjustment	5
Ending balance	1,174
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	242
Foreign currency translation adjustment	5
Ending balance	$ 247