v2.4.1.9

Financial Instruments and Fair Value Measurements - Schedule of Fair Value of Derivative Instruments (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
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Derivatives, Fair Value [Line Items] |  |
Asset | $ 106,664 us-gaap_DerivativeInstrumentsInHedgesAssetsAtFairValue | $ 20,241 us-gaap_DerivativeInstrumentsInHedgesAssetsAtFairValue
Liability | 1,395 us-gaap_DerivativeInstrumentsInHedgesLiabilitiesAtFairValue | 35,940 us-gaap_DerivativeInstrumentsInHedgesLiabilitiesAtFairValue
AOCI | 101,621 us-gaap_TranslationAdjustmentForNetInvestmentHedgeNetOfTax | (14,045)us-gaap_TranslationAdjustmentForNetInvestmentHedgeNetOfTax
Net Investment Hedges - Euro Denominated [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset | 22,891 us-gaap_DerivativeInstrumentsInHedgesAssetsAtFairValue / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = pld_NetInvestmentHedgesEuroDenominatedMember | 137 us-gaap_DerivativeInstrumentsInHedgesAssetsAtFairValue / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = pld_NetInvestmentHedgesEuroDenominatedMember
Liability |  | 30,302 us-gaap_DerivativeInstrumentsInHedgesLiabilitiesAtFairValue / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = pld_NetInvestmentHedgesEuroDenominatedMember
AOCI | 37,295 us-gaap_TranslationAdjustmentForNetInvestmentHedgeNetOfTax / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = pld_NetInvestmentHedgesEuroDenominatedMember | (21,705)us-gaap_TranslationAdjustmentForNetInvestmentHedgeNetOfTax / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = pld_NetInvestmentHedgesEuroDenominatedMember
Net Investment Hedges - Yen Denominated [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset | 46,934 us-gaap_DerivativeInstrumentsInHedgesAssetsAtFairValue / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = pld_NetInvestmentHedgesYenDenominatedMember | 20,104 us-gaap_DerivativeInstrumentsInHedgesAssetsAtFairValue / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = pld_NetInvestmentHedgesYenDenominatedMember
AOCI | 56,169 us-gaap_TranslationAdjustmentForNetInvestmentHedgeNetOfTax / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = pld_NetInvestmentHedgesYenDenominatedMember | 22,102 us-gaap_TranslationAdjustmentForNetInvestmentHedgeNetOfTax / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = pld_NetInvestmentHedgesYenDenominatedMember
Net Investment Hedges - Pounds Sterling Denominated [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset | 29,097 us-gaap_DerivativeInstrumentsInHedgesAssetsAtFairValue / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = pld_NetInvestmentHedgesPoundsSterlingDenominatedMember |
AOCI | 29,097 us-gaap_TranslationAdjustmentForNetInvestmentHedgeNetOfTax / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = pld_NetInvestmentHedgesPoundsSterlingDenominatedMember |
Foreign Currency Options - Euro Denominated [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset | 7,742 us-gaap_DerivativeInstrumentsInHedgesAssetsAtFairValue / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = pld_ForeignCurrencyOptionsEuroDenominatedMember |
Interest Rate Swap Hedges [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Liability | 1,395 us-gaap_DerivativeInstrumentsInHedgesLiabilitiesAtFairValue / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = pld_InterestRateSwapHedgeMember | 5,638 us-gaap_DerivativeInstrumentsInHedgesLiabilitiesAtFairValue / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = pld_InterestRateSwapHedgeMember
AOCI | (1,395)us-gaap_TranslationAdjustmentForNetInvestmentHedgeNetOfTax / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = pld_InterestRateSwapHedgeMember | (591)us-gaap_TranslationAdjustmentForNetInvestmentHedgeNetOfTax / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = pld_InterestRateSwapHedgeMember
Our Share of Derivatives from Unconsolidated Co-Investment Ventures [Member] |  |
Derivatives, Fair Value [Line Items] |  |
AOCI | $ (19,545)us-gaap_TranslationAdjustmentForNetInvestmentHedgeNetOfTax / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = pld_UnconsolidatedCoInvestmentVenturesMember | $ (13,851)us-gaap_TranslationAdjustmentForNetInvestmentHedgeNetOfTax / us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis = pld_UnconsolidatedCoInvestmentVenturesMember

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- Definition Aggregate fair value of all derivative assets designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611 + Details
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- Definition Aggregate fair value of all derivative liabilities designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611 + Details
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- Definition Cumulative adjustment resulting from gains and losses on foreign currency derivatives that are designated as, and are effective as, hedges of a net investment in a foreign entity, commencing as of the designation date. Adjustment reported in equity as part of accumulated other comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -Subparagraph (b),(c) -URI http://asc.fasb.org/extlink&oid=6915805&loc=d3e32211-110900 + Details
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