Fair Value Measurements, Derivative Instruments and Hedging Activities and Financial Risks - Offsetting Derivative Instruments (Details) - USD ($) $ in Millions	Feb. 28, 2018	Nov. 30, 2017
Assets
Gross Amounts	$ 17	$ 15
Gross Amounts Offset in the Balance Sheet	0	0
Total Net Amounts Presented in the Balance Sheet	17	15
Gross Amounts not Offset in the Balance Sheet	(5)	(8)
Net Amounts	12	7
Liabilities
Gross Amounts	130	161
Gross Amounts Offset in the Balance Sheet	0	0
Total Net Amounts Presented in the Balance Sheet	130	161
Gross Amounts not Offset in the Balance Sheet	(5)	(8)
Net Amounts	$ 125	$ 153

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Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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