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, 2019	Nov. 30, 2018
Derivatives, Fair Value [Line Items]
Derivative assets	$ 16
Derivative liabilities	47	$ 29
Derivatives designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative assets	16
Derivative liabilities	47	23
Cross currency swaps – net investment hedges | Derivatives designated as hedging instruments | Prepaid expenses and other
Derivatives, Fair Value [Line Items]
Derivative assets	16	0
Cross currency swaps – net investment hedges | Derivatives designated as hedging instruments | Accrued liabilities and other
Derivatives, Fair Value [Line Items]
Derivative liabilities	6	5
Cross currency swaps – net investment hedges | Derivatives designated as hedging instruments | Other long-term liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	22	0
Interest rate swaps | Derivatives designated as hedging instruments | Accrued liabilities and other
Derivatives, Fair Value [Line Items]
Derivative liabilities	7	8
Interest rate swaps | Derivatives designated as hedging instruments | Other long-term liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	11	11
Interest rate swaps | Cash flow hedging
Derivatives, Fair Value [Line Items]
Interest rate cash flow hedge asset at fair value	373	385
Fuel | Derivatives not designated as hedging instruments | Accrued liabilities and other
Derivatives, Fair Value [Line Items]
Derivative liabilities	0	6
Currency swap | Derivatives designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative liabilities	$ 1,000	$ 156