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Noncontrolling Interests - Additional Information (Detail) (USD $)
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12 Months Ended |
3 Months Ended |
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Dec. 31, 2014
sqft
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Dec. 31, 2013
sqft
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Dec. 31, 2012
sqft
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Jun. 30, 2013
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Mar. 31, 2014
Property
sqft
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Jun. 30, 2014
sqft
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| Noncontrolling Interest [Line Items] |
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| Square footage of properties |
260,700,000us-gaap_AreaOfRealEstateProperty |
264,300,000us-gaap_AreaOfRealEstateProperty |
208,800,000us-gaap_AreaOfRealEstateProperty |
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12,600,000us-gaap_AreaOfRealEstateProperty |
| Third party investors portion reflected as a component of Noncontrolling Interest |
$ 219,871,000us-gaap_ManagementFeesRevenue |
$ 179,472,000us-gaap_ManagementFeesRevenue |
$ 126,779,000us-gaap_ManagementFeesRevenue |
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| Prologis Inc [Member] |
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| Noncontrolling Interest [Line Items] |
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| Net earnings attributable to noncontrolling interest |
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10,100,000us-gaap_IncomeLossAttributableToNoncontrollingInterest / dei_LegalEntityAxis = pld_PrologisIncMember |
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| (Loss) from continuing operations |
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500,000us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity / dei_LegalEntityAxis = pld_PrologisIncMember |
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| Income from discontinued operations |
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10,600,000us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = pld_PrologisIncMember |
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| Prologis Institutional Alliance Fund II [Member] |
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| Noncontrolling Interest [Line Items] |
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| Payment to acquire partners' interest |
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245,800,000us-gaap_PaymentsToAcquireLimitedPartnershipInterests / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisInstitutionalAllianceFundTwoMember |
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| Number of limited partnership units issued |
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805,000us-gaap_OtherOwnershipInterestsUnitsIssued / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisInstitutionalAllianceFundTwoMember |
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| Amount of partnership units issued |
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31,300,000us-gaap_OtherOwnershipInterestsValue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisInstitutionalAllianceFundTwoMember |
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| Promote fee earned from venture |
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18,800,000pld_RelatedPartyTransactionManagementFee / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisInstitutionalAllianceFundTwoMember |
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| Third party investors portion reflected as a component of Noncontrolling Interest |
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13,500,000us-gaap_ManagementFeesRevenue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisInstitutionalAllianceFundTwoMember |
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| Prologis, L.P. [Member] |
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| Noncontrolling Interest [Line Items] |
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| Description of conversion rate |
One share of common stock to one unit |
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| Third party investors portion reflected as a component of Noncontrolling Interest |
219,871,000us-gaap_ManagementFeesRevenue / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember |
179,472,000us-gaap_ManagementFeesRevenue / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember |
126,779,000us-gaap_ManagementFeesRevenue / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember |
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| Prologis, L.P. [Member] | Prologis US Logistics Venture [Member] |
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| Noncontrolling Interest [Line Items] |
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| Number of properties sold |
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66pld_NumberOfRealEstatePropertiesContributed / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisUsLogisticsVentureMember |
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| Square footage of properties |
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12,800,000us-gaap_AreaOfRealEstateProperty / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisUsLogisticsVentureMember |
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| Proceeds for contributed properties |
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$ 1,000,000,000us-gaap_ProceedsFromSaleOfPropertyHeldForSale / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisUsLogisticsVentureMember |
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| Equity method investment, percentage |
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55.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_PartnerTypeOfPartnersCapitalAccountAxis = us-gaap_LimitedPartnerMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisUsLogisticsVentureMember |
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