v2.4.1.9
Real Estate - Summary of Acquisition (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Property
sqft
Dec. 31, 2013
sqft
Property
Dec. 31, 2012
Property
sqft
Jun. 30, 2014
sqft
Dec. 31, 2011
Business Acquisition [Line Items]          
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  
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]          
Business Acquisition [Line Items]          
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
   
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
   
Third Parties [Member]          
Business Acquisition [Line Items]          
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
   
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
   
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