v2.4.1.9

Assets Held for Sale and Discontinued Operations - Additional Information (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2014 Property | Dec. 31, 2013 Parcels
Assets Held-for-sale [Member] |  |
Assets Held For Sale [Line Items] |  |
Number of operating properties that met criteria | 7 pld_NumberOfOperatingPropertiesThatMetCriteria / us-gaap_MajorPropertyClassAxis = us-gaap_AssetsHeldForSaleMember |
Land Parcel [Member] |  |
Assets Held For Sale [Line Items] |  |
Number of operating properties that met criteria |  | 3 pld_NumberOfOperatingPropertiesThatMetCriteria / us-gaap_MajorPropertyClassAxis = pld_LandParcelMember

X
- Details
Name: | pld_AssetsHeldForSaleLineItems
Namespace Prefix: | pld_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Operating Properties That Met Criteria + References No definition available. + Details
Name: | pld_NumberOfOperatingPropertiesThatMetCriteria
Namespace Prefix: | pld_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_MajorPropertyClassAxis=pld_LandParcelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MajorPropertyClassAxis=us-gaap_AssetsHeldForSaleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |