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Fair Value Measurements, Derivative Instruments and Hedging Activities and Financial Risks - Derivatives Qualifying and Designated as Hedging Instruments Recognized in Other Comprehensive Income (Details) - USD ($) | 3 Months Ended |
--- | --- | ---
Feb. 28, 2018 | Feb. 28, 2017 | Nov. 30, 2017
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative assets | $ 17,000,000 |  | $ 15,000,000
Derivative liabilities | 130,000,000 |  | 161,000,000
Minimum |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative asset, cash collateral netting threshold, fair value | 100,000,000 |  |
Interest rate swaps – cash flow hedges | Cash flow hedging |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Interest rate swaps designated as cash flow hedges | 485,000,000 |  | 479,000,000
Fuel |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Collateral required to be posted | 0 |  | 0
Collateral required to be received | 0 |  | 0
Designated as hedging instruments |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative assets | 17,000,000 |  | 15,000,000
Derivative liabilities | 63,000,000 |  | 57,000,000
Designated as hedging instruments | Net investment hedges |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Effective portions of derivatives qualifying and designated as hedging instruments recognized in other comprehensive income | (6,000,000) | $ 1,000,000 |
Designated as hedging instruments | Foreign currency zero cost collars – cash flow hedges |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Effective portions of derivatives qualifying and designated as hedging instruments recognized in other comprehensive income | 1,000,000 | 8,000,000 |
Designated as hedging instruments | Interest rate swaps – cash flow hedges |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Effective portions of derivatives qualifying and designated as hedging instruments recognized in other comprehensive income | 4,000,000 | $ 2,000,000 |
Designated as hedging instruments | Currency swap |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liabilities | 337,000,000 |  | 324,000,000
Not designated as hedging instrument |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liabilities | 67,000,000 |  | 104,000,000
Prepaid expenses and other | Designated as hedging instruments | Net investment hedges |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative assets | 4,000,000 |  | 3,000,000
Prepaid expenses and other | Designated as hedging instruments | Foreign currency zero cost collars – cash flow hedges |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative assets | 13,000,000 |  | 12,000,000
Accrued liabilities and other | Designated as hedging instruments | Net investment hedges |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liabilities | 17,000,000 |  | 13,000,000
Accrued liabilities and other | Designated as hedging instruments | Interest rate swaps – cash flow hedges |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liabilities | 10,000,000 |  | 10,000,000
Accrued liabilities and other | Not designated as hedging instrument | Fuel |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liabilities | 67,000,000 |  | 95,000,000
Other long-term liabilities | Designated as hedging instruments | Net investment hedges |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liabilities | 21,000,000 |  | 17,000,000
Other long-term liabilities | Designated as hedging instruments | Interest rate swaps – cash flow hedges |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liabilities | $ 14,000,000 |  | 17,000,000
Other long-term liabilities | Not designated as hedging instrument | Fuel |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative liabilities |  |  | $ 9,000,000

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