v2.4.1.9
Income Taxes - Deferred Income Tax Assets and Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Gross deferred income tax assets:    
Net operating loss carryforwards (1) $ 346,978us-gaap_DeferredTaxAssetsOperatingLossCarryforwards $ 391,764us-gaap_DeferredTaxAssetsOperatingLossCarryforwards
Basis difference - real estate properties 105,205pld_DeferredTaxAssetsBasisDifferenceRealEstateProperties 133,767pld_DeferredTaxAssetsBasisDifferenceRealEstateProperties
Basis difference - equity investments 12,401us-gaap_DeferredTaxAssetsEquityMethodInvestments 9,238us-gaap_DeferredTaxAssetsEquityMethodInvestments
Basis difference - intangibles 5,952pld_DeferredTaxAssetsIntangibleAssets 8,113pld_DeferredTaxAssetsIntangibleAssets
Section 163(j) interest limitation 32,703pld_DeferredTaxAssetsInterestLimitation 33,224pld_DeferredTaxAssetsInterestLimitation
Capital loss carryforward 25,282pld_DeferredTaxAssetsCapitalLossCarryforward 32,054pld_DeferredTaxAssetsCapitalLossCarryforward
Other - temporary differences 10,701us-gaap_DeferredTaxAssetsOther 20,124us-gaap_DeferredTaxAssetsOther
Total gross deferred income tax assets 539,222us-gaap_DeferredTaxAssetsGross 628,284us-gaap_DeferredTaxAssetsGross
Valuation allowance (518,241)us-gaap_DeferredTaxAssetsValuationAllowance (583,675)us-gaap_DeferredTaxAssetsValuationAllowance
Gross deferred income tax assets, net of valuation allowance 20,981us-gaap_DeferredTaxAssetsNet 44,609us-gaap_DeferredTaxAssetsNet
Gross deferred income tax liabilities:    
Basis difference - real estate properties 89,998pld_DeferredTaxLiabilitiesBasisDifferenceRealEstateProperties 167,951pld_DeferredTaxLiabilitiesBasisDifferenceRealEstateProperties
Built-in-gains - equity investments and real estate properties   27,116pld_DeferredTaxLiabilitiesBasisDifferenceEquityInvestmentsAndRealEstateProperties
Basis difference- intangibles 7,324pld_DeferredTaxLiabilitiesBasisDifferenceIntangibles 8,823pld_DeferredTaxLiabilitiesBasisDifferenceIntangibles
Other - temporary differences 716us-gaap_DeferredTaxLiabilitiesOther 5,269us-gaap_DeferredTaxLiabilitiesOther
Total gross deferred income tax liabilities 98,038us-gaap_DeferredTaxLiabilities 209,159us-gaap_DeferredTaxLiabilities
Net deferred income tax liabilities $ 77,057us-gaap_DeferredTaxAssetsLiabilitiesNet $ 164,550us-gaap_DeferredTaxAssetsLiabilitiesNet