Fair Value Measurements, Derivative Instruments and Hedging Activities and Financial Risks - Offsetting Derivative Instruments (Details) - USD ($) $ in Millions	Feb. 28, 2019	Nov. 30, 2018
Assets
Gross Amounts	$ 17
Gross Amounts Offset in the Balance Sheet	(1)	$ 0
Total Net Amounts Presented in the Balance Sheet	16
Gross Amounts not Offset in the Balance Sheet	(6)	0
Net Amounts	11	0
Liabilities
Gross Amounts	47	29
Gross Amounts Offset in the Balance Sheet	(1)	0
Total Net Amounts Presented in the Balance Sheet	47	29
Gross Amounts not Offset in the Balance Sheet	(6)	0
Net Amounts	$ 41	$ 29

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