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		9 Months Ended
	Aug. 31, 2019	Aug. 31, 2018	Aug. 31, 2019	Aug. 31, 2018
Cross currency swaps – net investment hedges
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recognized in AOCI, net investment hedges	$ 19	$ 3	$ 38	$ 13
Foreign currency zero cost collars – cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recognized in AOCI, cash flow hedges	(4)	(1)	(5)	(11)
Gains (losses) reclassified from AOCI – cash flow hedges	0	0	1	0
Interest rate swaps – cash flow hedges
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) recognized in AOCI, cash flow hedges	(1)	1	(1)	5
Gains (losses) reclassified from AOCI – cash flow hedges	(2)	(2)	(6)	(8)
Cross currency swaps – Interest expense, net of capitalized interest
Derivative Instruments, Gain (Loss) [Line Items]
Cross currency swaps – Interest expense, net of capitalized interest	$ 6	$ 0	$ 16	$ 0