v2.4.1.9

Real Estate - Additional Information (Detail) Share data in Millions, except Per Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |  | 12 Months Ended | 6 Months Ended |  | 3 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2013 USD ($) | Jun. 30, 2014 USD ($) sqft | Dec. 31, 2014 sqft | Dec. 31, 2013 sqft | Dec. 31, 2012 sqft | Dec. 31, 2014 Operating Lease Revenue Largest Customer [Member] | Dec. 31, 2014 Operating Lease Revenue Twenty Five Largest Customers [Member] | Dec. 31, 2014 Minimum [Member] | Dec. 31, 2014 Maximum [Member] | Jun. 30, 2014 Fibra Prologis [Member] USD ($) Property sqft | Jun. 30, 2014 Fibra Prologis [Member] MXN Property | Jun. 30, 2014 Mexico Fondo Logistico Afores [Member] sqft | Jun. 30, 2014 Prologis Mexico Industrial Fund [Member] sqft | Mar. 31, 2013 Nippon Prologis REIT Inc [Member] USD ($) Property sqft | Mar. 31, 2013 Nippon Prologis REIT Inc [Member] JPY (¥) sqft | Mar. 31, 2013 Prologis European Logistics Partners [Member] USD ($) Property Markets sqft | Mar. 31, 2013 Prologis European Logistics Partners [Member] EUR (€) sqft | Mar. 31, 2013 Norges Bank Investment Management [Member] USD ($) | Mar. 31, 2013 Norges Bank Investment Management [Member] Common Stock [Member]
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties purchased |  |  |  |  |  |  |  |  |  | 177 pld_NumberOfRealEstatePropertiesPurchased / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_FibraMember | 177 pld_NumberOfRealEstatePropertiesPurchased / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_FibraMember |  |  | 12 pld_NumberOfRealEstatePropertiesPurchased / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_NipponPrologisReitIncMember | 12 pld_NumberOfRealEstatePropertiesPurchased / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_NipponPrologisReitIncMember | 195 pld_NumberOfRealEstatePropertiesPurchased / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_PrologisEuropeanLogisticsPartnersMember | 195 pld_NumberOfRealEstatePropertiesPurchased / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_PrologisEuropeanLogisticsPartnersMember |  |
Square footage of properties |  | 12,600,000 us-gaap_AreaOfRealEstateProperty | 260,700,000 us-gaap_AreaOfRealEstateProperty | 264,300,000 us-gaap_AreaOfRealEstateProperty | 208,800,000 us-gaap_AreaOfRealEstateProperty |  |  |  |  | 29,700,000 us-gaap_AreaOfRealEstateProperty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_FibraMember | 29,700,000 us-gaap_AreaOfRealEstateProperty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_FibraMember | 7,600,000 us-gaap_AreaOfRealEstateProperty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_MexicoFondoLogisticoAforesMember | 9,500,000 us-gaap_AreaOfRealEstateProperty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_PrologisMexicoIndustrialFundMember | 9,600,000 us-gaap_AreaOfRealEstateProperty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_NipponPrologisReitIncMember | 9,600,000 us-gaap_AreaOfRealEstateProperty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_NipponPrologisReitIncMember | 48,700,000 us-gaap_AreaOfRealEstateProperty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_PrologisEuropeanLogisticsPartnersMember | 48,700,000 us-gaap_AreaOfRealEstateProperty / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_PrologisEuropeanLogisticsPartnersMember |  |
Equity Units received in exchange of combined investments |  |  |  |  |  |  |  |  |  | 287.3 pld_EquityMethodInvestmentNumberOfSharesReceived / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_FibraMember | 287.3 pld_EquityMethodInvestmentNumberOfSharesReceived / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_FibraMember |  |  |  |  |  |  |  |
Ownership interest accounted under equity method |  |  |  |  |  |  |  |  |  | 45.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_FibraMember | 45.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_FibraMember |  |  |  |  |  |  |  |
Equity units trading value (per share) |  |  |  |  |  |  |  |  |  | $ 2.09 us-gaap_SaleOfStockPricePerShare / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_FibraMember | 27.00 us-gaap_SaleOfStockPricePerShare / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_FibraMember |  |  |  |  |  |  |  |
Gain recognized on disposition of investments in real estate | $ 1,800,000 us-gaap_GainLossOnSaleOfStockInSubsidiaryOrEquityMethodInvestee | $ 52,500,000 us-gaap_GainLossOnSaleOfStockInSubsidiaryOrEquityMethodInvestee |  |  |  |  |  |  |  |  |  |  |  | $ 337,900,000 us-gaap_GainLossOnSaleOfStockInSubsidiaryOrEquityMethodInvestee / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_NipponPrologisReitIncMember |  |  |  |  |
Tax expense recognized on disposition of investments in real estate |  | 32,400,000 pld_EquityMethodInvestmentIncomeTaxExpense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Deferred tax benefit recognized on disposition of investments in real estate |  | 55,500,000 us-gaap_SubsidiaryOrEquityMethodInvesteeDeferredIncomeTaxProvisionOnCumulativeGainLossRecognizedAmount |  |  |  |  |  |  |  |  |  |  |  | 59,600,000 us-gaap_SubsidiaryOrEquityMethodInvesteeDeferredIncomeTaxProvisionOnCumulativeGainLossRecognizedAmount / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_NipponPrologisReitIncMember |  |  |  |  |
Earnings attributable to non controlling interest |  | 61,000,000 us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate purchase price |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,900,000,000 us-gaap_BusinessCombinationConsiderationTransferred1 / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_NipponPrologisReitIncMember | 173,000,000,000 us-gaap_BusinessCombinationConsiderationTransferred1 / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_NipponPrologisReitIncMember |  |  |  |
Purchase price of portfolio |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,000,000,000 pld_RealEstatePropertySalePrice / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_PrologisEuropeanLogisticsPartnersMember | 2,300,000,000 pld_RealEstatePropertySalePrice / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_PrologisEuropeanLogisticsPartnersMember |  |
Number of target European Global markets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11 pld_NumberOfMarkets / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_PrologisEuropeanLogisticsPartnersMember | 11 pld_NumberOfMarkets / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_PrologisEuropeanLogisticsPartnersMember |  |
Common Stock Issued In Exercise Of Warrants Per Share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 35.64 us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1 / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_NorgesBankInvestmentManagementMember |
Proceeds from exercise of warrant |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 213,800,000 us-gaap_ProceedsFromWarrantExercises / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_NorgesBankInvestmentManagementMember |
Shares issued upon exercise of warrants |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 pld_StockIssuedDuringPeriodSharesExerciseOfWarrantShares / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = pld_NorgesBankInvestmentManagementMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
Operating leases lease term |  |  |  |  |  |  |  | 1 year | 75 years |  |  |  |  |  |  |  |  |  |
Net effective rent from 25 largest customers |  |  |  |  |  | 1.90%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByTypeAxis = pld_OperatingLeaseRevenueLargestCustomerMember | 19.50%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByTypeAxis = pld_OperatingLeaseRevenueTwentyFiveLargestCustomerMember |  |  |  |  |  |  |  |  |  |  |  |
Minimum lease payments on leases periods |  |  | Greater than one year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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