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	May. 31, 2015	Nov. 30, 2014
Derivatives, Fair Value [Line Items]
Derivative assets	$ 20	$ 14
Derivative liabilities	369	278
Designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative liabilities	64	49
Not Designated as Hedging Instruments
Derivatives, Fair Value [Line Items]
Derivative liabilities	305	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	9	6
Net investment hedges | Designated as hedging instruments | Accrued Liabilities And Other
Derivatives, Fair Value [Line Items]
Derivative liabilities	4	0
Net investment hedges | Designated as hedging instruments | Other Long-term Liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	4	0
Interest Rate Swaps | Designated as hedging instruments | Prepaid Expenses and Other
Derivatives, Fair Value [Line Items]
Derivative assets	2	1
Interest Rate Swaps | Designated as hedging instruments | Other Assets – Long-term
Derivatives, Fair Value [Line Items]
Derivative assets		1
Interest Rate Swaps | Designated as hedging instruments | Accrued Liabilities And Other
Derivatives, Fair Value [Line Items]
Derivative liabilities	12	13
Interest Rate Swaps | Designated as hedging instruments | Other Long-term Liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	28	35
Interest Rate Swaps | Cash Flow Hedging
Derivatives, Fair Value [Line Items]
Interest rate cash flow hedge asset at fair value	626	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		1
Foreign currency zero cost collars | Designated as hedging instruments | Other Long-term Liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	16
Fuel | Not Designated as Hedging Instruments | Accrued Liabilities And Other
Derivatives, Fair Value [Line Items]
Derivative liabilities	106	90
Fuel | Not Designated as Hedging Instruments | Other Long-term Liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	199	139
Foreign Currency Forward | Designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative liabilities	451	$ 403
Currency swap | Designated as hedging instruments
Derivatives, Fair Value [Line Items]
Derivative liabilities	$ 401