Fair Value Measurements, Derivative Instruments and Hedging Activities and Financial Risk - Financial Instruments that are Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions	Nov. 30, 2018	Nov. 30, 2017
Assets
Derivative financial instruments	$ 0	$ 15
Liabilities
Derivative financial instruments	29	161
Financial Instruments Measured at Fair Value on a Recurring Basis \| Level 1
Assets
Cash and cash equivalents	982	395
Restricted cash	14	26
Total	1,005	518
Financial Instruments Measured at Fair Value on a Recurring Basis \| Level 1 \| Marketable securities held in rabbi trusts
Assets
Investments	9	97
Financial Instruments Measured at Fair Value on a Recurring Basis \| Level 1 \| Derivative financial instruments
Assets
Derivative financial instruments	0
Financial Instruments Measured at Fair Value on a Recurring Basis \| Level 2
Assets
Cash and cash equivalents		0
Restricted cash	0
Total		15
Liabilities
Total	29	161
Financial Instruments Measured at Fair Value on a Recurring Basis \| Level 2 \| Marketable securities held in rabbi trusts
Assets
Investments		0
Financial Instruments Measured at Fair Value on a Recurring Basis \| Level 2 \| Derivative financial instruments
Assets
Derivative financial instruments		15
Financial Instruments Measured at Fair Value on a Recurring Basis \| Level 2 \| Derivative financial instruments
Liabilities
Derivative financial instruments	29	161
Financial Instruments Measured at Fair Value on a Recurring Basis \| Level 3
Liabilities
Total	0	0
Financial Instruments Measured at Fair Value on a Recurring Basis \| Level 3 \| Marketable securities held in rabbi trusts
Assets
Investments	0	$ 0
Financial Instruments Measured at Fair Value on a Recurring Basis \| Level 3 \| Derivative financial instruments
Assets
Derivative financial instruments	$ 0

Restricted Cash and Cash Equivalents, Fair Value Disclosure

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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

+ References

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Fair value of financial and nonfinancial obligations.

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