v2.4.1.9

Unconsolidated Entities - Information About Investments in Co-investment Ventures by Property Funds (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Investment in and Advances to unconsolidated investees	$ 4,824,724us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	$ 4,430,239us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures
Property Fund [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Investment in and Advances to unconsolidated investees	4,665,918us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember	4,250,015us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember
Prologis Targeted U.S. Logistics Fund [Member] | Property Fund [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Ownership Percentage in property fund	24.30%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisTargetedUsLogisticsFundMember	25.90%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisTargetedUsLogisticsFundMember
Investment in and Advances to unconsolidated investees	712,044us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisTargetedUsLogisticsFundMember	743,454us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisTargetedUsLogisticsFundMember
Prologis North American Industrial Fund [Member] | Property Fund [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Ownership Percentage in property fund		23.10%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisNorthAmericanIndustrialFundMember
Investment in and Advances to unconsolidated investees		201,482us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisNorthAmericanIndustrialFundMember
Fibra Prologis [Member] | Property Fund [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Ownership Percentage in property fund	45.90%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_FibraMember
Investment in and Advances to unconsolidated investees	589,627us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_FibraMember
Prologis Mexico Industrial Fund [Member] | Property Fund [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Ownership Percentage in property fund		20.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisMexicoIndustrialFundMember
Investment in and Advances to unconsolidated investees		49,684us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisMexicoIndustrialFundMember
Prologis Brazil Logistics Partners Fund and Related Joint Ventures [Member] | Property Fund [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Ownership Percentage in property fund	50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisBrazilLogisticsPartnersFundOneMember	50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisBrazilLogisticsPartnersFundOneMember
Investment in and Advances to unconsolidated investees	235,496us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisBrazilLogisticsPartnersFundOneMember	199,392us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisBrazilLogisticsPartnersFundOneMember
Prologis Europe Logistics Fund FCP-FIS [Member] | Property Fund [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Ownership Percentage in property fund	43.20%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisEuropeLogisticsFundFcpFisMember	43.10%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisEuropeLogisticsFundFcpFisMember
Investment in and Advances to unconsolidated investees	458,702us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisEuropeLogisticsFundFcpFisMember	471,896us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisEuropeLogisticsFundFcpFisMember
Prologis European Properties Fund II [Member] | Property Fund [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Ownership Percentage in property fund	31.10%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisEuropeanPropertiesFundTwoMember	32.50%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisEuropeanPropertiesFundTwoMember
Investment in and Advances to unconsolidated investees	488,503us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisEuropeanPropertiesFundTwoMember	582,828us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisEuropeanPropertiesFundTwoMember
Europe Logistics Venture 1 [Member] | Property Fund [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Ownership Percentage in property fund	15.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_EuropeLogisticsVentureOneMember	15.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_EuropeLogisticsVentureOneMember
Investment in and Advances to unconsolidated investees	56,127us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_EuropeLogisticsVentureOneMember	62,654us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_EuropeLogisticsVentureOneMember
Prologis European Logistics Partners [Member] | Property Fund [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Ownership Percentage in property fund	50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisEuropeanLogisticsPartnersMember	50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisEuropeanLogisticsPartnersMember
Investment in and Advances to unconsolidated investees	1,769,720us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisEuropeanLogisticsPartnersMember	1,585,923us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisEuropeanLogisticsPartnersMember
Nippon Prologis REIT Inc [Member] | Property Fund [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Ownership Percentage in property fund	15.10%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_NipponPrologisReitIncMember	15.10%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_NipponPrologisReitIncMember
Investment in and Advances to unconsolidated investees	303,178us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_NipponPrologisReitIncMember	309,715us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_NipponPrologisReitIncMember
Prologis China Logistics Venture 1 and 2 [Member] | Property Fund [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Ownership Percentage in property fund	15.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisChinaLogisticsVentureOneAndTwoMember	15.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisChinaLogisticsVentureOneAndTwoMember
Investment in and Advances to unconsolidated investees	$ 52,521us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisChinaLogisticsVentureOneAndTwoMember	$ 42,987us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisChinaLogisticsVentureOneAndTwoMember

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

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Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.12)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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