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Fair Value Measurements, Derivative Instruments and Hedging Activities - Foreign Currency Exchange Rate Risks (Details) $ in Millions |  | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Sep. 05, 2016 ship | Aug. 31, 2016 USD ($) | Aug. 31, 2015 USD ($) | Aug. 31, 2016 USD ($) CruiseShip | Aug. 31, 2015 USD ($) | Nov. 30, 2015 USD ($) | Jan. 31, 2015 USD ($)
Fair Value, Measurement Inputs, Disclosure [Line Items] |  |  |  |  |  |  |
Cumulative foreign currency transaction gains and (losses) included in the cumulative translation adjustment component of AOCI |  | $ 821 |  | $ 821 |  | $ 509 |
Foreign currency transaction gains (losses) |  | 243 | $ 7 | $ 312 | $ 97 |  |
Number of cruise ships purchased | CruiseShip |  |  |  | 4 |  |  |
Foreign currency contract commitments |  | $ 5,800 |  | $ 5,800 |  |  |
Percentage of debt bore fixed interest rates, including the effect of interest rate swaps |  | 62.00% |  | 62.00% |  | 60.00% |
Percentage of debt bore floating interest rates, including the effect of interest rate swaps |  | 38.00% |  | 38.00% |  | 40.00% |
Princess Cruises | Cash Flow Hedging | Maximum | Foreign currency zero cost collars – cash flow hedges |  |  |  |  |  |  |
Fair Value, Measurement Inputs, Disclosure [Line Items] |  |  |  |  |  |  |
Currency exchange risk hedged |  |  |  |  |  |  | $ 590
Princess Cruises | Cash Flow Hedging | Minimum | Foreign currency zero cost collars – cash flow hedges |  |  |  |  |  |  |
Fair Value, Measurement Inputs, Disclosure [Line Items] |  |  |  |  |  |  |
Currency exchange risk hedged |  |  |  |  |  |  | 504
Seabourn Cruises | Cash Flow Hedging | Maximum | Foreign currency zero cost collars – cash flow hedges |  |  |  |  |  |  |
Fair Value, Measurement Inputs, Disclosure [Line Items] |  |  |  |  |  |  |
Currency exchange risk hedged |  |  |  |  |  |  | 221
Seabourn Cruises | Cash Flow Hedging | Minimum | Foreign currency zero cost collars – cash flow hedges |  |  |  |  |  |  |
Fair Value, Measurement Inputs, Disclosure [Line Items] |  |  |  |  |  |  |
Currency exchange risk hedged |  |  |  |  |  |  | $ 185
Foreign Currency Intercompany Payable |  |  |  |  |  |  |
Fair Value, Measurement Inputs, Disclosure [Line Items] |  |  |  |  |  |  |
Designated debt and other obligations as non-derivative hedges of net investments in foreign operations |  |  |  | $ 3,500 |  | $ 2,600 |
Subsequent Event |  |  |  |  |  |  |
Fair Value, Measurement Inputs, Disclosure [Line Items] |  |  |  |  |  |  |
Number of cruise ships purchased | ship | 3 |  |  |  |  |  |

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