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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 |

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 + Details
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- Definition 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. + References No definition available. + Details
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