v2.4.1.9

Summary of Significant Accounting Policies - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2014
Schedule Of Significant Accounting Policies [Line Items] |
Consolidation percentage if not wholly owned but controlled | Less than 100% of the equity
Percentage of occupancy for stabilization | 90.00%pld_PercentageOfOccupancyForStabilization
Period after completion of construction for commencement of depreciation | 1 year
Estimated useful lives | 40 years
Average lease term period | 7 years
Depreciation commencement description | Depreciation commences when the asset is ready for its intended use, which we define as the earlier of stabilization (90% occupied) or one year after completion of construction.
Noncontrolling interests in real estate entities | 100.00%us-gaap_MinorityInterestOwnershipPercentageByParent
Percentage of taxable income distribute | 100.00%pld_DistributableIncomePercentageForTaxExemption
Capital Improvements [Member] | Minimum [Member] |
Schedule Of Significant Accounting Policies [Line Items] |
Estimated useful lives | 5 years
Capital Improvements [Member] | Maximum [Member] |
Schedule Of Significant Accounting Policies [Line Items] |
Estimated useful lives | 7 years
Standard Tenant Improvements [Member] |
Schedule Of Significant Accounting Policies [Line Items] |
Estimated useful lives | 10 years
Depreciable and Land Improvements [Member] |
Schedule Of Significant Accounting Policies [Line Items] |
Estimated useful lives | 25 years
Operating Properties [Member] |
Schedule Of Significant Accounting Policies [Line Items] |
Estimated useful lives | 30 years

X
- Definition Average lease term period. + References No definition available. + Details
Name: | pld_AverageLeaseTermPeriod
Namespace Prefix: | pld_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Consolidation percentage if not wholly owned but controlled. + References No definition available. + Details
Name: | pld_ConsolidationPercentageIfNotWhollyOwnedButControlled
Namespace Prefix: | pld_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Depreciation commencement description. + References No definition available. + Details
Name: | pld_DepreciationCommencementDescription
Namespace Prefix: | pld_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Distributable income percentage for tax exemption. + References No definition available. + Details
Name: | pld_DistributableIncomePercentageForTaxExemption
Namespace Prefix: | pld_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of occupancy for stabilization. + References No definition available. + Details
Name: | pld_PercentageOfOccupancyForStabilization
Namespace Prefix: | pld_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period after completion of construction for commencement of depreciation. + References No definition available. + Details
Name: | pld_PeriodAfterCompletionOfConstructionForCommencementOfDepreciation
Namespace Prefix: | pld_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
Name: | us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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

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

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

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