v2.4.0.6

Subsequent Event (Details) (USD $) | Feb. 03, 2012
--- | ---
Subsequent Event [Line Items] |
Ownership interest in co investment | 100.00%
Acquisition [Member] |
Subsequent Event [Line Items] |
Business acquisition, percentage of interest acquired | 63.00%
Business acquisition, loan repayment | 335,000,000
Real Estate assumed, fair value | 1,600,000,000
Business acquisition, debt assumed | 835,000,000

X
- Definition Business acquisition loan repayment + References No definition available. + Details
Name: | pld_BusinessAcquisitionLoanRepayment
Namespace Prefix: | pld_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Business acquisition percentage of interest acquired + References No definition available. + Details
Name: | pld_BusinessAcquisitionPercentageOfInterestAcquired
Namespace Prefix: | pld_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Business Acquisition Purchase Price Allocation Debt Assumed + References No definition available. + Details
Name: | pld_BusinessAcquisitionPurchasePriceAllocationDebtAssumed
Namespace Prefix: | pld_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Ownership interest in co investment + References No definition available. + Details
Name: | pld_OwnershipInterestInCoInvestment
Namespace Prefix: | pld_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount of acquisition cost of a business combination allocated to tangible assets. + References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionPurchasePriceAllocationTangibleAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration