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Fair Value Measurements, Derivative Instruments and Hedging Activities and Financial Risk - Derivatives Qualifying and Designated as Hedging Instruments Recognized in Other Comprehensive Income (Details) - Designated as hedging instruments - USD ($)
$ in Millions
12 Months Ended
Nov. 30, 2019
Nov. 30, 2018
Nov. 30, 2017
Cross currency swaps      
Derivative Instruments, Gain (Loss) [Line Items]      
Gains (losses) recognized in AOCI, net investment hedges $ 43    
Gains (losses) recognized in AOCI, net investment hedges   $ 18 $ (31)
Gains (losses) recognized on derivative instruments (amount excluded from effectiveness testing – net investment hedges) 23 0 0
Foreign-currency contracts      
Derivative Instruments, Gain (Loss) [Line Items]      
Gains (losses) recognized in AOCI, cash flow hedges (1)    
Gains (losses) recognized in AOCI, cash flow hedges   (12) 45
Gains (losses) reclassified from AOCI, cash flow hedges 1    
Gains (losses) reclassified from AOCI, cash flow hedges   1 1
Interest rate swaps      
Derivative Instruments, Gain (Loss) [Line Items]      
Gains (losses) recognized in AOCI, cash flow hedges 3    
Gains (losses) recognized in AOCI, cash flow hedges   6 8
Gains (losses) reclassified from AOCI, cash flow hedges $ (7)    
Gains (losses) reclassified from AOCI, cash flow hedges   $ (10) $ (11)