v3.8.0.1

Real Estate - Summary of Acquisition (Detail) - Third parties and a controlling interest [Member] ft² in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 USD ($) ft² Property | Sep. 30, 2016 USD ($) ft² Property | Sep. 30, 2017 USD ($) ft² Property | Sep. 30, 2016 USD ($) ft² Property
Business Acquisition [Line Items] |  |  |  |
Number of operating properties | Property | 12 | 1 | 14 | 7
Square feet | ft² | 6,328 | 42 | 6,478 | 931
Acquisition value of net investments in real estate properties | $ | $ 703,686 | $ 16,795 | $ 744,581 | $ 86,840

X
- Definition Area of real estate properties. + References No definition available. + Details
Name: | pld_AreaOfRealEstateProperties
Namespace Prefix: | pld_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of real estate properties purchased. + References No definition available. + Details
Name: | pld_NumberOfRealEstatePropertiesPurchased
Namespace Prefix: | pld_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Real estate acquisition value acquired during period. + References No definition available. + Details
Name: | pld_RealEstateAcquisitionValueAcquiredDuringPeriod
Namespace Prefix: | pld_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=pld_ThirdPartyAndControllingInterestAcquisitionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |