v3.8.0.1

Real Estate - Investments in Real Estate Properties (Detail) ft² in Thousands, $ in Thousands | Sep. 30, 2017 USD ($) ft² a Buildings | Dec. 31, 2016 USD ($) ft² a Buildings
--- | --- | ---
Real Estate Properties [Line Items] |  |
Total investments in real estate properties | $ 25,977,157 | $ 27,119,330
Less accumulated depreciation | 3,977,667 | 3,758,372
Net investments in real estate properties | $ 21,999,490 | $ 23,360,958
Improved Land [Member] |  |
Real Estate Properties [Line Items] |  |
Square Feet | ft² | 0 | 0
Number of buildings | Buildings | 0 | 0
Total investments in real estate properties | $ 5,826,773 | $ 6,037,543
Building and Improvements [Member] |  |
Real Estate Properties [Line Items] |  |
Square Feet | ft² | 298,240 | 331,210
Number of buildings | Buildings | 1,566 | 1,776
Total investments in real estate properties | $ 16,829,500 | $ 17,905,914
Development Portfolio, Including Cost of Land: Pre-stabilized [Member] |  |
Real Estate Properties [Line Items] |  |
Square Feet | ft² | 7,394 | 8,256
Number of buildings | Buildings | 24 | 29
Total investments in real estate properties | $ 441,235 | $ 798,233
Properties Under Development [Member] |  |
Real Estate Properties [Line Items] |  |
Square Feet | ft² | 22,189 | 19,539
Number of buildings | Buildings | 55 | 60
Total investments in real estate properties | $ 1,059,764 | $ 633,849
Land [Member] |  |
Real Estate Properties [Line Items] |  |
Square Feet | a | 5,871 | 5,892
Total investments in real estate properties | $ 1,313,268 | $ 1,218,904
Other Real Estate Investments [Member] |  |
Real Estate Properties [Line Items] |  |
Square Feet | ft² | 0 | 0
Number of buildings | Buildings | 0 | 0
Total investments in real estate properties | $ 506,617 | $ 524,887

X
- Definition Area of a real estate property. + References No definition available. + Details
Name: | us-gaap_AreaOfRealEstateProperty
Namespace Prefix: | us-gaap_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfRealEstateProperties
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- 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 + Details
Name: | us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- 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
Name: | us-gaap_RealEstateInvestmentPropertyAtCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- 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
Name: | us-gaap_RealEstateInvestmentPropertyNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RealEstatePropertiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LandImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_BuildingAndBuildingImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=pld_DevelopmentPortfolioIncludingCostOfLandPrestabilizedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=pld_PropertiesUnderDevelopmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_OtherCapitalizedPropertyPlantAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |