Fair Value Measurements, Derivative Instruments and Hedging Activities and Financial Risks - Offsetting Derivative Instruments (Details) - USD ($) $ in Millions	Aug. 31, 2020	Nov. 30, 2019
Assets
Gross Amounts	$ 2	$ 58
Gross Amounts Offset in the Balance Sheet	(1)	0
Total Net Amounts Presented in the Balance Sheet	1	58
Gross Amounts not Offset in the Balance Sheet	0	(4)
Net Amounts	1	54
Liabilities
Gross Amounts	12	25
Gross Amounts Offset in the Balance Sheet	(1)	0
Total Net Amounts Presented in the Balance Sheet	11	25
Gross Amounts not Offset in the Balance Sheet	0	(4)
Net Amounts	$ 11	$ 21

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