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

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