v2.4.1.9

Other Assets and Other Liabilities - Additional Information (Detail) (USD $) | Dec. 31, 2014
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Real Estate [Abstract] |
Expected future amortization of leasing commissions | $ 241,557,000 us-gaap_FiniteLivedIntangibleAssetsNet
Above and below market leases and rent leveling assets | $ 193,900,000 pld_AboveAndBelowMarketLeasesAndRentLevelingAssets

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- Definition Above And Below Market Leases And Rent Leveling Assets + References No definition available. + Details
Name: | pld_AboveAndBelowMarketLeasesAndRentLevelingAssets
Namespace Prefix: | pld_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
Name: | us-gaap_FiniteLivedIntangibleAssetsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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