Fair Value Measurements, Derivative Instruments and Hedging Activities and Financial Risks - Derivatives Qualifying and Designated as Hedging Instruments Recognized in Other Comprehensive Income (Details) - Designated as hedging instruments - USD ($) $ in Millions	3 Months Ended
	Feb. 28, 2019	Feb. 28, 2018
Cross currency swaps – net investment hedges
Derivative Instruments, Gain (Loss) [Line Items]
(Losses) gains recognized in AOCI, net investment hedges	$ (10)	$ (6)
Foreign currency zero cost collars – cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
(Losses) gains recognized in AOCI, cash flow hedges	0	1
Interest rate swaps – cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
(Losses) gains recognized in AOCI, cash flow hedges	1	4
Losses reclassified from AOCI – cash flow hedges	(2)	(3)
Cross currency swaps – Interest expense, net of capitalized interest
Derivative Instruments, Gain (Loss) [Line Items]
Cross currency swaps – Interest expense, net of capitalized interest	$ 4	$ 0