v2.4.1.9

Real Estate and Accumulated Depreciation (Parenthetical) (Detail) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |  |  |
Balance at beginning of year | $ 18,822,081,000 us-gaap_RealEstateGrossAtCarryingValue | $ 23,559,891,000 us-gaap_RealEstateGrossAtCarryingValue | $ 22,413,079,000 us-gaap_RealEstateGrossAtCarryingValue
Total per Schedule III | 20,109,432,000 us-gaap_RealEstateGrossAtCarryingValue | 18,822,081,000 us-gaap_RealEstateGrossAtCarryingValue | 23,559,891,000 us-gaap_RealEstateGrossAtCarryingValue
Acquisitions of operating properties, improvements to operating properties, development activity, transfers of land to CIP and net effect of changes in foreign exchange rates and other | 3,595,836,000 us-gaap_RealEstateAcquisitionsThroughForeclosures | 2,050,810,000 us-gaap_RealEstateAcquisitionsThroughForeclosures | 2,881,005,000 us-gaap_RealEstateAcquisitionsThroughForeclosures
Land | 1,577,786,000 us-gaap_LandAvailableForDevelopment |  |
Basis of operating properties disposed of | (2,713,300,000)pld_BasisOfOperatingPropertiesDisposed | (6,857,994,000)pld_BasisOfOperatingPropertiesDisposed | (1,630,764,000)pld_BasisOfOperatingPropertiesDisposed
Other real estate investments | 502,927,000 us-gaap_RealEstateOtherAdditions |  |
Change in the development portfolio balance, including the acquisition of properties | 452,963,000 pld_RealEstatePeriodIncreaseDecreaseUnderDevelopmentBalance | 69,374,000 pld_RealEstatePeriodIncreaseDecreaseUnderDevelopmentBalance | 91,112,000 pld_RealEstatePeriodIncreaseDecreaseUnderDevelopmentBalance
Total per consolidated balance sheet | 22,190,145,000 us-gaap_RealEstateInvestmentPropertyAtCost | 20,824,477,000 us-gaap_RealEstateInvestmentPropertyAtCost |
Impairment of real estate properties |  |  | (194,541,000)pld_ImpairmentOfRealEstatePropertiesExcludingLand
Total accumulated depreciation per Schedule III | 2,748,835,000 us-gaap_RealEstateAccumulatedDepreciation | 2,540,267,000 us-gaap_RealEstateAccumulatedDepreciation | 2,460,642,000 us-gaap_RealEstateAccumulatedDepreciation
Assets transferred to held-for-sale | (48,148,000)pld_AssetsTransferredToHeldForSale |  |
Accumulated depreciation on other real estate investments | 41,946,000 pld_AccumulatedDepreciationOnOtherRealEstateInvestments |  |
Balance at end of year | 20,109,432,000 us-gaap_RealEstateGrossAtCarryingValue | 18,822,081,000 us-gaap_RealEstateGrossAtCarryingValue | 23,559,891,000 us-gaap_RealEstateGrossAtCarryingValue
Total per consolidated balance sheet | 2,790,781,000 us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation | 2,568,998,000 us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation |
Balance at beginning of year | 2,540,267,000 us-gaap_RealEstateAccumulatedDepreciation | 2,460,642,000 us-gaap_RealEstateAccumulatedDepreciation | 2,150,713,000 us-gaap_RealEstateAccumulatedDepreciation
Aggregate cost for Federal tax purposes | 14,000,000,000 us-gaap_RealEstateFederalIncomeTaxBasis |  |
Depreciation expense | 490,298,000 us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense | 505,691,000 us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense | 665,239,000 us-gaap_SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense
Balances retired upon disposition of operating properties and net effect of changes in foreign exchange rates and other | (277,516,000)us-gaap_RealEstateAccumulatedDepreciationRealEstateSold | (426,066,000)us-gaap_RealEstateAccumulatedDepreciationRealEstateSold | (355,310,000)us-gaap_RealEstateAccumulatedDepreciationRealEstateSold
Amount secured of mortgage notes | 4,500,000,000 us-gaap_RealEstateAndAccumulatedDepreciationAmountOfEncumbrances |  |
Assets transferred to held-for-sale | (4,214,000)pld_RealEstateAccumulatedDepreciationAssetsTransferredToHeldForSale |  |
Mortgage notes | 2,300,000,000 pld_PropertiesCollateralForNotes |  |
Balance at end of year | 2,748,835,000 us-gaap_RealEstateAccumulatedDepreciation | 2,540,267,000 us-gaap_RealEstateAccumulatedDepreciation | 2,460,642,000 us-gaap_RealEstateAccumulatedDepreciation
Assessment bonds | 15,500,000 pld_SecuredAssessmentBonds |  |
Assessment bonds, aggregate undepreciated cost | $ 783,400,000 pld_PropertiesCollateralForAssessmentBonds |  |
Standard Tenant Improvements [Member] |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |  |  |
Useful lives for real estate assets | 10 years |  |
Land improvements on developed buildings [Member] |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |  |  |
Useful lives for real estate assets | 25 years |  |
Acquired Industrial Properties [Member] |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |  |  |
Useful lives for real estate assets | 30 years |  |
Properties Developed [Member] |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |  |  |
Useful lives for real estate assets | 40 years |  |
Minimum [Member] | Capital Improvements [Member] |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |  |  |
Useful lives for real estate assets | 5 years |  |
Maximum [Member] | Capital Improvements [Member] |  |  |
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items] |  |  |
Useful lives for real estate assets | 7 years |  |

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- Definition Carrying amount of land available for development. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.(a),1(d)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Subparagraph d -Article 7 + Details
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- Definition Amount of accumulated depreciation pertaining to real estate investments for entities with a substantial portion of business acquiring and holding investment real estate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 970 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28.FN4) -URI http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule III) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 28 -Article 12 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph c -Subparagraph Schedule III -Article 5 + Details
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- Definition Amount of decrease to accumulated depreciation for real estate investments sold for entities with a substantial portion of business acquiring and holding investment real estate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 970 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28.FN4) -URI http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule III) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 28 -Article 12 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph c -Subparagraph Schedule III -Article 5 + Details
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- Definition Amount of real estate investments acquired through foreclosure for entities with a substantial portion of business acquiring and holding investment real estate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule III) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 28 -Article 12 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph c -Subparagraph Schedule III -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 970 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28.4) -URI http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024 + Details
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- Definition Amount of lien or mortgage outstanding on real estate investment properties for entities with a substantial portion of business acquiring and holding investment real estate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 970 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28) -URI http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule III) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 28 -Article 12 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph c -Subparagraph Schedule III -Article 5 + Details
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- Definition Useful life on which depreciation was computed for entities with a substantial portion of business acquiring and holding investment real estate, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 970 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28) -URI http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule III) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 28 -Article 12 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph c -Subparagraph Schedule III -Article 5 + Details
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