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Financial Instruments and Fair Value Measurements - Additional Information (Detail) (USD $)
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12 Months Ended | ||
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Dec. 31, 2014
Contracts
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Dec. 31, 2013
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Dec. 31, 2012
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| Derivative [Line Items] | |||
| Number of option contract | 1us-gaap_OpenOptionContractsWrittenNumberOfContracts | ||
| Maximum length of time hedged in cash flow hedges | 10 years | ||
| Gain (Loss) on Early Extinguishment of Debt, Net | $ (11,000,000)us-gaap_ExtinguishmentOfDebtGainLossNetOfTax | ||
| Amount of gain (loss) included in OCI | (171,401,000)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax | (234,680,000)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax | (79,014,000)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax |
| Foreign Currency Derivatives [Member] | |||
| Derivative [Line Items] | |||
| Amount of gain (loss) included in OCI | (614,800,000)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeByNatureAxis = pld_ForeignCurrencyDerivativesMember |
(237,600,000)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeByNatureAxis = pld_ForeignCurrencyDerivativesMember |
(61,600,000)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax / us-gaap_DerivativeByNatureAxis = pld_ForeignCurrencyDerivativesMember |
| Interest Rate Swaps [Member] | |||
| Derivative [Line Items] | |||
| Notional value of ineffective interest rate swaps | $ 703,800,000us-gaap_DerivativeLiabilityNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember |
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- Definition
Nominal or face amount used to calculate payments on the derivative liability. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
The difference between the reacquisition price and the net carrying amount of the extinguished debt recognized currently as a component of income in the period of extinguishment, net of tax. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Maximum length of time over which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The number of contracts written for the open option contracts written on the investment. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount after tax, before reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Details
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