Fair Value Measurements, Derivative Instruments and Hedging Activities - Estimated Fair Value and Basis of Valuation of Financial Instrument Assets And Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Millions	Aug. 31, 2015	Nov. 30, 2014
Assets
Derivative financial instruments	$ 33	$ 78
Liabilities
Derivative financial instruments	521	342
Financial Instruments Measured at Fair Value on a Recurring Basis | Level 1
Assets
Total	336	223
Financial Instruments Measured at Fair Value on a Recurring Basis | Level 1 | Money market funds
Assets
Cash equivalents	210	91
Restricted cash	22	19
Financial Instruments Measured at Fair Value on a Recurring Basis | Level 1 | Marketable securities held in rabbi trusts
Assets
Marketable securities held in rabbi trusts	104	113
Financial Instruments Measured at Fair Value on a Recurring Basis | Level 2
Assets
Total	24	23
Liabilities
Total	503	278
Financial Instruments Measured at Fair Value on a Recurring Basis | Level 2 | Marketable securities held in rabbi trusts
Assets
Marketable securities held in rabbi trusts	9	9
Financial Instruments Measured at Fair Value on a Recurring Basis | Level 2 | Derivative financial instruments
Assets
Derivative financial instruments	15	14
Financial Instruments Measured at Fair Value on a Recurring Basis | Level 2 | Derivative financial instruments
Liabilities
Derivative financial instruments	503	278
Financial Instruments Measured at Fair Value on a Recurring Basis | Level 3
Assets
Total	20	$ 20
Financial Instruments Measured at Fair Value on a Recurring Basis | Level 3 | Marketable securities held in rabbi trusts
Assets
Marketable securities held in rabbi trusts
Financial Instruments Measured at Fair Value on a Recurring Basis | Level 3 | Long-term other assets
Assets
Long-term other assets	$ 20	$ 20