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Fair Value Measurements, Derivative Instruments and Hedging Activities and Financial Risk - Financial Instruments that are not Measured at Fair Value on a Recurring Basis (Details) - Financial Instruments Not Measured at Fair Value on a Recurring Basis - USD ($) $ in Millions | Nov. 30, 2017 | Nov. 30, 2016
--- | --- | ---
Carrying Value |  |
Assets |  |
Long-term other assets | $ 126 | $ 99
Total | 126 | 99
Liabilities |  |
Total | 9,246 | 9,454
Carrying Value | Fixed Rate |  |
Liabilities |  |
Debt | 5,588 | 5,436
Carrying Value | Floating Rate |  |
Liabilities |  |
Debt | 3,658 | 4,018
Fair Value | Level 1 |  |
Assets |  |
Long-term other assets | 0 | 1
Total | 0 | 1
Liabilities |  |
Total | 0 | 0
Fair Value | Level 1 | Fixed Rate |  |
Liabilities |  |
Debt | 0 | 0
Fair Value | Level 1 | Floating Rate |  |
Liabilities |  |
Debt | 0 | 0
Fair Value | Level 2 |  |
Assets |  |
Long-term other assets | 49 | 68
Total | 49 | 68
Liabilities |  |
Total | 9,589 | 9,775
Fair Value | Level 2 | Fixed Rate |  |
Liabilities |  |
Debt | 5,892 | 5,727
Fair Value | Level 2 | Floating Rate |  |
Liabilities |  |
Debt | 3,697 | 4,048
Fair Value | Level 3 |  |
Assets |  |
Long-term other assets | 75 | 31
Total | 75 | 31
Liabilities |  |
Total | 0 | 0
Fair Value | Level 3 | Fixed Rate |  |
Liabilities |  |
Debt | 0 | 0
Fair Value | Level 3 | Floating Rate |  |
Liabilities |  |
Debt | $ 0 | $ 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. + References No definition available. + Details
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- Definition Fair value portion of other assets. + References No definition available. + Details
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