Fair Value Measurements, Derivative Instruments and Hedging Activities and Financial Risks - Estimated Fair Values of Derivative Financial Instruments and Location on Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Feb. 28, 2018	Nov. 30, 2017
Derivatives, Fair Value [Line Items]
Derivative assets	$ 17	$ 15
Derivative liabilities	130	161
Derivatives designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative assets	17	15
Derivative liabilities	63	57
Derivatives not designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative liabilities	67	104
Net investment hedges | Derivatives designated as hedging instruments | Prepaid expenses and other
Derivatives, Fair Value [Line Items]
Derivative assets	4	3
Net investment hedges | Derivatives designated as hedging instruments | Accrued liabilities and other
Derivatives, Fair Value [Line Items]
Derivative liabilities	17	13
Net investment hedges | Derivatives designated as hedging instruments | Other long-term liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	21	17
Foreign currency zero cost collars – cash flow hedges | Derivatives designated as hedging instruments | Prepaid expenses and other
Derivatives, Fair Value [Line Items]
Derivative assets	13	12
Interest Rate Swaps | Derivatives designated as hedging instruments | Accrued liabilities and other
Derivatives, Fair Value [Line Items]
Derivative liabilities	10	10
Interest Rate Swaps | Derivatives designated as hedging instruments | Other long-term liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	14	17
Interest Rate Swaps | Cash Flow Hedging
Derivatives, Fair Value [Line Items]
Interest rate cash flow hedge asset at fair value	485	479
Fuel | Derivatives not designated as hedging instruments | Accrued liabilities and other
Derivatives, Fair Value [Line Items]
Derivative liabilities	67	95
Fuel | Derivatives not designated as hedging instruments | Other long-term liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities		9
Currency swap | Derivatives designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative liabilities	$ 337	$ 324