v2.4.0.6

Summary of Significant Accounting Policies (Details) | 12 Months Ended
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Dec. 31, 2011
Summary Of Significant Accounting Policies (Textual) [Abstract] |
Average lease term period | 6 years
Percentage of taxable income distribute | 100.00%
Consolidation percentage if not wholly owned but controlled | less than 100%
Depreciation commencement description | Depreciation commences at the earlier of stabilization (defined as 90% occupied) or one year after completion of construction.
Percentage of occupancy for stabilization | 90.00%
Period after completion of construction for commencement of depreciation | 1 year
Investment maturity period | Three months or less
Capital improvements [Member] |
Property, Plant and Equipment [Line Items] |
Estimated useful Lives Minimum | 5
Estimated useful Lives Maximum | 7
Tenant Improvements [Member] |
Property, Plant and Equipment [Line Items] |
Estimated useful Lives | 10
Depreciable and Land Improvements [Member] |
Property, Plant and Equipment [Line Items] |
Estimated useful Lives | 25
Industrial Properties Acquired [Member] |
Property, Plant and Equipment [Line Items] |
Estimated useful Lives | 30
Office and Retail Properties [Member] |
Property, Plant and Equipment [Line Items] |
Estimated useful Lives | 40
Leasehold development [Member] |
Property, Plant and Equipment [Line Items] |
Estimated useful Lives | 40

X
- Definition Average lease term period. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

X
- Definition Consolidation percentage if not wholly owned but controlled. + References No definition available. + Details
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Data Type: | xbrli:stringItemType
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Period Type: | duration

X
- Definition Depreciation commencement description. + References No definition available. + Details
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Period Type: | duration

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

X
- Definition Investment maturity period + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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

X
- Details
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X
- Details
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Balance Type: | na
Period Type: | duration

X
- Definition The average useful life of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References No definition available. + Details
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X
- Definition The maximum useful life of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References No definition available. + Details
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X
- Definition The minimum useful life of long lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. + References No definition available. + Details
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Period Type: | duration