v2.4.0.6

Assets Held for Sale and Discontinued Operations (Details 2) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 Property | Dec. 31, 2010 Property | Dec. 31, 2009 Property
Number of properties, proceeds and gains from dispositions, including minor adjustments |  |  |
Number of properties | 94 | 205 | 140
Net proceeds from dispositions | $ 931,443 | $ 1,065,239 | $ 845,186
Net gains from dispositions, net of taxes | $ 58,614 | $ 234,574 | $ 261,464

X
- Definition Net gains (impairment) on dispositions development properties and land. + References No definition available. + Details
Name: | pld_NetGainsImpairmentOnDispositionsDevelopmentPropertiesAndLand
Namespace Prefix: | pld_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition Net proceeds from dispositions. + References No definition available. + Details
Name: | pld_ProceedsFromDispositionsOfRealEstateAssetsIncludingAdjustments
Namespace Prefix: | pld_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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