v2.4.1.9

Real Estate - Real Estate Assets (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 sqft Property | Jun. 30, 2014 sqft | Dec. 31, 2013 Property sqft | Dec. 31, 2012 Property sqft
--- | --- | --- | --- | ---
Real Estate Properties [Line Items] |  |  |  |
Square Feet / Acres | 260,700,000 us-gaap_AreaOfRealEstateProperty | 12,600,000 us-gaap_AreaOfRealEstateProperty | 264,300,000 us-gaap_AreaOfRealEstateProperty | 208,800,000 us-gaap_AreaOfRealEstateProperty
Number of buildings | 1,278 us-gaap_NumberOfRealEstateProperties |  | 1,323 us-gaap_NumberOfRealEstateProperties | 1,157 us-gaap_NumberOfRealEstateProperties
Industrial operating properties: |  |  |  |
Total investments in real estate properties | $ 22,190,145 us-gaap_RealEstateInvestmentPropertyAtCost |  | $ 20,824,477 us-gaap_RealEstateInvestmentPropertyAtCost |
Less accumulated depreciation | 2,790,781 us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation |  | 2,568,998 us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation |
Net investments in real estate properties | 19,399,364 us-gaap_RealEstateInvestmentPropertyNet |  | 18,255,479 us-gaap_RealEstateInvestmentPropertyNet |
Improved Land [Member] |  |  |  |
Industrial operating properties: |  |  |  |
Total investments in real estate properties | 4,227,637 us-gaap_RealEstateInvestmentPropertyAtCost / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_LandImprovementsMember |  | 4,074,647 us-gaap_RealEstateInvestmentPropertyAtCost / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_LandImprovementsMember |
Building and Improvements [Member] |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Square Feet / Acres | 282,282,000 us-gaap_AreaOfRealEstateProperty / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_BuildingAndBuildingImprovementsMember |  | 267,097,000 us-gaap_AreaOfRealEstateProperty / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_BuildingAndBuildingImprovementsMember |
Number of buildings | 1,607 us-gaap_NumberOfRealEstateProperties / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_BuildingAndBuildingImprovementsMember |  | 1,610 us-gaap_NumberOfRealEstateProperties / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_BuildingAndBuildingImprovementsMember |
Industrial operating properties: |  |  |  |
Total investments in real estate properties | 14,407,815 us-gaap_RealEstateInvestmentPropertyAtCost / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_BuildingAndBuildingImprovementsMember |  | 13,726,417 us-gaap_RealEstateInvestmentPropertyAtCost / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_BuildingAndBuildingImprovementsMember |
Development Portfolio, Including Cost of Land: Pre-stabilized [Member] |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Square Feet / Acres | 7,448,000 us-gaap_AreaOfRealEstateProperty / us-gaap_PropertyPlantAndEquipmentByTypeAxis = pld_AssetsDevelopmentIncludingCostOfLandPrestabilizedMember |  | 4,491,000 us-gaap_AreaOfRealEstateProperty / us-gaap_PropertyPlantAndEquipmentByTypeAxis = pld_AssetsDevelopmentIncludingCostOfLandPrestabilizedMember |
Number of buildings | 24 us-gaap_NumberOfRealEstateProperties / us-gaap_PropertyPlantAndEquipmentByTypeAxis = pld_AssetsDevelopmentIncludingCostOfLandPrestabilizedMember |  | 11 us-gaap_NumberOfRealEstateProperties / us-gaap_PropertyPlantAndEquipmentByTypeAxis = pld_AssetsDevelopmentIncludingCostOfLandPrestabilizedMember |
Industrial operating properties: |  |  |  |
Total investments in real estate properties | 547,982 us-gaap_RealEstateInvestmentPropertyAtCost / us-gaap_PropertyPlantAndEquipmentByTypeAxis = pld_AssetsDevelopmentIncludingCostOfLandPrestabilizedMember |  | 204,022 us-gaap_RealEstateInvestmentPropertyAtCost / us-gaap_PropertyPlantAndEquipmentByTypeAxis = pld_AssetsDevelopmentIncludingCostOfLandPrestabilizedMember |
Properties Under Development [Member] |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Square Feet / Acres | 22,844,000 us-gaap_AreaOfRealEstateProperty / us-gaap_PropertyPlantAndEquipmentByTypeAxis = pld_PropertiesUnderDevelopmentMember |  | 18,587,000 us-gaap_AreaOfRealEstateProperty / us-gaap_PropertyPlantAndEquipmentByTypeAxis = pld_PropertiesUnderDevelopmentMember |
Number of buildings | 55 us-gaap_NumberOfRealEstateProperties / us-gaap_PropertyPlantAndEquipmentByTypeAxis = pld_PropertiesUnderDevelopmentMember |  | 46 us-gaap_NumberOfRealEstateProperties / us-gaap_PropertyPlantAndEquipmentByTypeAxis = pld_PropertiesUnderDevelopmentMember |
Industrial operating properties: |  |  |  |
Total investments in real estate properties | 925,998 us-gaap_RealEstateInvestmentPropertyAtCost / us-gaap_PropertyPlantAndEquipmentByTypeAxis = pld_PropertiesUnderDevelopmentMember |  | 816,995 us-gaap_RealEstateInvestmentPropertyAtCost / us-gaap_PropertyPlantAndEquipmentByTypeAxis = pld_PropertiesUnderDevelopmentMember |
Land [Member] |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Square Feet / Acres | 9,017,000 us-gaap_AreaOfRealEstateProperty / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_LandMember |  | 9,747,000 us-gaap_AreaOfRealEstateProperty / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_LandMember |
Industrial operating properties: |  |  |  |
Total investments in real estate properties | 1,577,786 us-gaap_RealEstateInvestmentPropertyAtCost / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_LandMember |  | 1,516,166 us-gaap_RealEstateInvestmentPropertyAtCost / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_LandMember |
Other Real Estate Investments [Member] |  |  |  |
Industrial operating properties: |  |  |  |
Total investments in real estate properties | $ 502,927 us-gaap_RealEstateInvestmentPropertyAtCost / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember |  | $ 486,230 us-gaap_RealEstateInvestmentPropertyAtCost / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember |

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- Definition The cumulative amount of depreciation for real estate property held for investment purposes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(3)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 7 + Details
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- Definition Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(d)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(d)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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