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Real Estate - Summary of Acquisition (Detail) (USD $)
In Thousands, unless otherwise specified
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12 Months Ended |
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Dec. 31, 2014
Property
sqft
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Dec. 31, 2013
sqft
Property
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Dec. 31, 2012
Property
sqft
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Jun. 30, 2014
sqft
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Dec. 31, 2011
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| Business Acquisition [Line Items] |
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| Number of industrial operating properties |
1,278us-gaap_NumberOfRealEstateProperties |
1,323us-gaap_NumberOfRealEstateProperties |
1,157us-gaap_NumberOfRealEstateProperties |
|
|
| Square feet |
260,700,000us-gaap_AreaOfRealEstateProperty |
264,300,000us-gaap_AreaOfRealEstateProperty |
208,800,000us-gaap_AreaOfRealEstateProperty |
12,600,000us-gaap_AreaOfRealEstateProperty |
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| Real estate acquisition value |
$ 20,109,432us-gaap_RealEstateGrossAtCarryingValue |
$ 18,822,081us-gaap_RealEstateGrossAtCarryingValue |
$ 23,559,891us-gaap_RealEstateGrossAtCarryingValue |
|
$ 22,413,079us-gaap_RealEstateGrossAtCarryingValue |
| Unconsolidated Properties [Member] |
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| Business Acquisition [Line Items] |
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| Number of industrial operating properties |
231us-gaap_NumberOfRealEstateProperties
/ us-gaap_RealEstatePropertiesAxis
= us-gaap_UnconsolidatedPropertiesMember |
58us-gaap_NumberOfRealEstateProperties
/ us-gaap_RealEstatePropertiesAxis
= us-gaap_UnconsolidatedPropertiesMember |
215us-gaap_NumberOfRealEstateProperties
/ us-gaap_RealEstatePropertiesAxis
= us-gaap_UnconsolidatedPropertiesMember |
|
|
| Square feet |
45,663,000us-gaap_AreaOfRealEstateProperty
/ us-gaap_RealEstatePropertiesAxis
= us-gaap_UnconsolidatedPropertiesMember |
16,319,000us-gaap_AreaOfRealEstateProperty
/ us-gaap_RealEstatePropertiesAxis
= us-gaap_UnconsolidatedPropertiesMember |
46,277,000us-gaap_AreaOfRealEstateProperty
/ us-gaap_RealEstatePropertiesAxis
= us-gaap_UnconsolidatedPropertiesMember |
|
|
| Real estate acquisition value |
2,770,191us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstatePropertiesAxis
= us-gaap_UnconsolidatedPropertiesMember |
1,141,128us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstatePropertiesAxis
= us-gaap_UnconsolidatedPropertiesMember |
2,294,892us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstatePropertiesAxis
= us-gaap_UnconsolidatedPropertiesMember |
|
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| Gains on revaluation of equity investments upon acquisition of a controlling interest |
201,319us-gaap_GainsLossesOnSalesOfInvestmentRealEstate
/ us-gaap_RealEstatePropertiesAxis
= us-gaap_UnconsolidatedPropertiesMember |
34,787us-gaap_GainsLossesOnSalesOfInvestmentRealEstate
/ us-gaap_RealEstatePropertiesAxis
= us-gaap_UnconsolidatedPropertiesMember |
286,335us-gaap_GainsLossesOnSalesOfInvestmentRealEstate
/ us-gaap_RealEstatePropertiesAxis
= us-gaap_UnconsolidatedPropertiesMember |
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| Third Parties [Member] |
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| Business Acquisition [Line Items] |
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| Number of industrial operating properties |
8us-gaap_NumberOfRealEstateProperties
/ us-gaap_RealEstatePropertiesAxis
= pld_ThirdPartiesMember |
12us-gaap_NumberOfRealEstateProperties
/ us-gaap_RealEstatePropertiesAxis
= pld_ThirdPartiesMember |
12us-gaap_NumberOfRealEstateProperties
/ us-gaap_RealEstatePropertiesAxis
= pld_ThirdPartiesMember |
|
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| Square feet |
1,004,000us-gaap_AreaOfRealEstateProperty
/ us-gaap_RealEstatePropertiesAxis
= pld_ThirdPartiesMember |
3,262,000us-gaap_AreaOfRealEstateProperty
/ us-gaap_RealEstatePropertiesAxis
= pld_ThirdPartiesMember |
1,622,000us-gaap_AreaOfRealEstateProperty
/ us-gaap_RealEstatePropertiesAxis
= pld_ThirdPartiesMember |
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| Real estate acquisition value |
$ 78,314us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstatePropertiesAxis
= pld_ThirdPartiesMember |
$ 146,331us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstatePropertiesAxis
= pld_ThirdPartiesMember |
$ 77,397us-gaap_RealEstateGrossAtCarryingValue
/ us-gaap_RealEstatePropertiesAxis
= pld_ThirdPartiesMember |
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