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Unsecured Debt - Narrative (Details) € in Millions, £ in Millions | 12 Months Ended |
--- | --- | ---
Nov. 30, 2018 USD ($) | Nov. 30, 2017 USD ($) | Nov. 30, 2018 EUR (€) | Nov. 30, 2018 GBP (£) | Nov. 30, 2018 USD ($)
Debt Outstanding [Line Items] |  |  |  |  |
Repayments of commercial paper | $ 2,000,000 | $ 364,000,000 |  |  |
Line of credit, maturity period | 12 years |  |  |  |
Revolving Credit Facility |  |  |  |  |
Debt Outstanding [Line Items] |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  |  |  |  | $ 2,900,000,000
Long-term debt |  |  |  |  | 300,000,000
Line of credit facility available amount |  |  |  |  | 2,300,000,000
Debt instrument, basis spread on variable rate | 0.30% |  |  |  |
Revolving Credit Facility | Main Credit Facility |  |  |  |  |
Debt Outstanding [Line Items] |  |  |  |  |
Long-term debt |  |  |  |  | 2,600,000,000
Revolving Credit Facility | Main Credit Facility | U.S. Dollar Denominated Debt |  |  |  |  |
Debt Outstanding [Line Items] |  |  |  |  |
Long-term debt |  |  |  |  | $ 1,900,000,000
Revolving Credit Facility | Main Credit Facility | Euro Denominated |  |  |  |  |
Debt Outstanding [Line Items] |  |  |  |  |
Long-term debt | € |  |  | € 500 |  |
Revolving Credit Facility | Main Credit Facility | Sterling-Denominated Debt |  |  |  |  |
Debt Outstanding [Line Items] |  |  |  |  |
Long-term debt | £ |  |  |  | £ 169 |
Commercial paper |  |  |  |  |
Debt Outstanding [Line Items] |  |  |  |  |
Short-term borrowings | $ 2,000,000 | $ 111,000,000 |  |  |

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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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