v2.4.1.9

Unconsolidated Entities - Summary of Remaining Equity Commitments (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified | 1 Months Ended |
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Jul. 31, 2014 | Dec. 31, 2014
Prologis China Logistics Venture [Member] |  |
Schedule Of Equity Method Investments Joint Ventures [Line Items] |  |
Committed third party equity | $ 500 pld_IncreaseDecreaseInCommittedThirdPartyEquity / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisChinaLogisticsVentureMember |
U.S. Dollars to Euro [Member] | Prologis Targeted Europe Logistics Fund [Member] |  |
Schedule Of Equity Method Investments Joint Ventures [Line Items] |  |
Exchange rate |  | 1.21 us-gaap_ForeignCurrencyExchangeRateTranslation1 / us-gaap_CurrencyAxis = pld_CurrencyEuroAndUnitedStatesDollarMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisEuropeLogisticsFundMember
U.S. Dollars to Euro [Member] | Prologis European Properties Fund II [Member] |  |
Schedule Of Equity Method Investments Joint Ventures [Line Items] |  |
Exchange rate |  | 1.21 us-gaap_ForeignCurrencyExchangeRateTranslation1 / us-gaap_CurrencyAxis = pld_CurrencyEuroAndUnitedStatesDollarMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisEuropeanPropertiesFundTwoMember
U.S. Dollars to Euro [Member] | Europe Logistics Venture 1 [Member] |  |
Schedule Of Equity Method Investments Joint Ventures [Line Items] |  |
Exchange rate |  | 1.21 us-gaap_ForeignCurrencyExchangeRateTranslation1 / us-gaap_CurrencyAxis = pld_CurrencyEuroAndUnitedStatesDollarMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_EuropeLogisticsVentureOneMember
British Pound Sterling to U.S. Dollar [Member] | Prologis European Logistics Partners [Member] |  |
Schedule Of Equity Method Investments Joint Ventures [Line Items] |  |
Exchange rate |  | 1.56 us-gaap_ForeignCurrencyExchangeRateTranslation1 / us-gaap_CurrencyAxis = pld_BritishPoundUSDollarMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisEuropeanLogisticsPartnersMember

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- Definition Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521 + Details
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