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Fair Value Measurements, Derivative Instruments and Hedging Activities and Financial Risks - Estimated Carrying and Fair Values of Financial Instrument Assets and Liabilities Not Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions | Feb. 28, 2019 | Nov. 30, 2018
--- | --- | ---
Carrying Value |  |
Assets |  |
Long-term other assets | $ 123 | $ 127
Total | 123 | 127
Liabilities |  |
Total | 11,697 | 10,394
Carrying Value | Fixed rate debt |  |
Liabilities |  |
Debt | 6,875 | 5,699
Carrying Value | Floating rate debt |  |
Liabilities |  |
Debt | 4,822 | 4,695
Fair Value | Level 1 |  |
Assets |  |
Long-term other assets | 0 | 0
Total | 0 | 0
Liabilities |  |
Total | 0 | 0
Fair Value | Level 1 | Fixed rate debt |  |
Liabilities |  |
Debt | 0 | 0
Fair Value | Level 1 | Floating rate debt |  |
Liabilities |  |
Debt | 0 | 0
Fair Value | Level 2 |  |
Assets |  |
Long-term other assets | 31 | 30
Total | 31 | 30
Liabilities |  |
Total | 11,897 | 10,526
Fair Value | Level 2 | Fixed rate debt |  |
Liabilities |  |
Debt | 7,030 | 5,799
Fair Value | Level 2 | Floating rate debt |  |
Liabilities |  |
Debt | 4,867 | 4,727
Fair Value | Level 3 |  |
Assets |  |
Long-term other assets | 91 | 95
Total | 91 | 95
Liabilities |  |
Total | 0 | 0
Fair Value | Level 3 | Fixed rate debt |  |
Liabilities |  |
Debt | 0 | 0
Fair Value | Level 3 | Floating rate debt |  |
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://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 of financial and nonfinancial obligations. + 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 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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