Fair Value Measurements, Derivative Instruments and Hedging Activities - Estimated Fair Values of Derivative Financial Instruments and Location on Consolidated Balance Sheets (Detail) - USD ($) $ in Millions	Aug. 31, 2015	Nov. 30, 2014
Derivatives, Fair Value [Line Items]
Derivative assets	$ 15	$ 14
Derivative liabilities	503	278
Designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative liabilities	57	49
Not Designated as Hedging Instruments
Derivatives, Fair Value [Line Items]
Derivative liabilities	446	229
Net investment hedges | Designated as hedging instruments | Prepaid Expenses and Other
Derivatives, Fair Value [Line Items]
Derivative assets	9	6
Net investment hedges | Designated as hedging instruments | Other Assets – Long-term
Derivatives, Fair Value [Line Items]
Derivative assets	5	6
Net investment hedges | Designated as hedging instruments | Accrued Liabilities And Other
Derivatives, Fair Value [Line Items]
Derivative liabilities	1	0
Net investment hedges | Designated as hedging instruments | Other Long-term Liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	13	0
Interest Rate Swaps | Designated as hedging instruments | Prepaid Expenses and Other
Derivatives, Fair Value [Line Items]
Derivative assets	1	1
Interest Rate Swaps | Designated as hedging instruments | Other Assets – Long-term
Derivatives, Fair Value [Line Items]
Derivative assets	0	1
Interest Rate Swaps | Designated as hedging instruments | Accrued Liabilities And Other
Derivatives, Fair Value [Line Items]
Derivative liabilities	11	13
Interest Rate Swaps | Designated as hedging instruments | Other Long-term Liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	25	35
Interest Rate Swaps | Cash Flow Hedging
Derivatives, Fair Value [Line Items]
Interest rate cash flow hedge asset at fair value	625	750
Interest Rate Swaps | Fair Value Hedging
Derivatives, Fair Value [Line Items]
Interest rate fair value hedge asset at fair value	500	500
Foreign currency zero cost collars | Designated as hedging instruments | Accrued Liabilities And Other
Derivatives, Fair Value [Line Items]
Derivative liabilities	0	1
Foreign currency zero cost collars | Designated as hedging instruments | Other Long-term Liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	7	0
Fuel | Not Designated as Hedging Instruments | Accrued Liabilities And Other
Derivatives, Fair Value [Line Items]
Derivative liabilities	176	90
Fuel | Not Designated as Hedging Instruments | Other Long-term Liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	270	139
Foreign Currency Forward | Designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative liabilities	164	$ 403
Currency swap | Designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative liabilities	$ 408