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	May 31, 2016	Nov. 30, 2015
Assets
Derivative financial instruments	$ 21	$ 73
Liabilities
Derivative financial instruments	500	669
Financial Instruments Measured at Fair Value on a Recurring Basis | Level 1
Assets
Total	355	875
Financial Instruments Measured at Fair Value on a Recurring Basis | Level 1 | Money market funds
Assets
Cash equivalents	234	748
Restricted cash	23	22
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	98	105
Financial Instruments Measured at Fair Value on a Recurring Basis | Level 2
Assets
Total	19	37
Liabilities
Total	492	625
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	6	8
Financial Instruments Measured at Fair Value on a Recurring Basis | Level 2 | Derivative financial instruments
Assets
Derivative financial instruments	13	29
Financial Instruments Measured at Fair Value on a Recurring Basis | Level 2 | Derivative financial instruments
Liabilities
Derivative financial instruments	492	625
Financial Instruments Measured at Fair Value on a Recurring Basis | Level 3
Assets
Total	21	21
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	$ 21	$ 21