v2.4.1.9

Unconsolidated Entities - Information About Investments in Co-investment Ventures by Property Funds (Parenthetical) (Detail) In Millions, except Share data, unless otherwise specified | 12 Months Ended |  |  |  |  |  |  |  |
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Dec. 31, 2014 | Apr. 30, 2013 USD ($) | Dec. 31, 2014 Prologis Mexico Industrial Fund [Member] USD ($) | Dec. 31, 2014 Prologis Mexico Industrial Fund [Member] MXN | Dec. 31, 2014 Nippon Prologis REIT Inc [Member] USD ($) | Dec. 31, 2014 Nippon Prologis REIT Inc [Member] JPY (¥) | Dec. 31, 2013 Nippon Prologis REIT Inc [Member] USD ($) | Dec. 31, 2013 Property Fund [Member] Prologis Mexico Industrial Fund [Member] | Dec. 31, 2014 Property Fund [Member] Prologis Brazil Logistics Partners Fund and Related Joint Ventures [Member] | Dec. 31, 2013 Property Fund [Member] Prologis Brazil Logistics Partners Fund and Related Joint Ventures [Member] | Dec. 31, 2014 Property Fund [Member] Nippon Prologis REIT Inc [Member] | Dec. 31, 2013 Property Fund [Member] Nippon Prologis REIT Inc [Member] | Dec. 31, 2014 Minimum [Member] Prologis Brazil Logistics Partners Fund and Related Joint Ventures [Member] | Dec. 31, 2014 Maximum [Member] Prologis Brazil Logistics Partners Fund and Related Joint Ventures [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Closing price of common stock |  | $ 41.60 us-gaap_SharePrice | $ 1.86 us-gaap_SharePrice / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisMexicoIndustrialFundMember | 27.29 us-gaap_SharePrice / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisMexicoIndustrialFundMember | $ 2,179.00 us-gaap_SharePrice / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_NipponPrologisReitIncMember | ¥ 260,600.00 us-gaap_SharePrice / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_NipponPrologisReitIncMember |  |  |  |  |  |  |  |
Units outstanding |  |  | 291,100,000 us-gaap_PartnersCapitalAccountUnits / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisMexicoIndustrialFundMember | 291,100,000 us-gaap_PartnersCapitalAccountUnits / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisMexicoIndustrialFundMember | 261,310 us-gaap_PartnersCapitalAccountUnits / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_NipponPrologisReitIncMember | 261,310 us-gaap_PartnersCapitalAccountUnits / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_NipponPrologisReitIncMember |  |  |  |  |  |  |  |
Percentage of equity interest holds in unconsolidated joint venture | 50.00%pld_PercentageOfEquityInterestHoldsInUnconsolidatedJointVenture |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership Percentage in property fund |  |  |  |  |  |  |  | 20.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_InvestmentsInAndAdvancesToAffiliatesCategorizationAxis = pld_PropertyFundMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisMexicoIndustrialFundMember | 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 | 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 | 5.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisBrazilLogisticsPartnersFundOneMember | 50.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_PrologisBrazilLogisticsPartnersFundOneMember
Intercompany notes receivable |  |  |  |  | $ 85.9 us-gaap_DueFromRelatedParties / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_NipponPrologisReitIncMember |  | $ 88.5 us-gaap_DueFromRelatedParties / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = pld_NipponPrologisReitIncMember |  |  |  |  |  |  |

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