v2.4.1.9

Business Segments - Segment Reporting, Reconciliation of Revenues, Operating Income and Assets (Parenthetical) (Detail) (USD $) | 3 Months Ended | 12 Months Ended
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Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues | $ 450,865,000 us-gaap_RealEstateRevenueNet | $ 415,151,000 us-gaap_RealEstateRevenueNet | $ 460,089,000 us-gaap_RealEstateRevenueNet | $ 434,682,000 us-gaap_RealEstateRevenueNet | $ 436,764,000 us-gaap_RealEstateRevenueNet | $ 423,058,000 us-gaap_RealEstateRevenueNet | $ 410,693,000 us-gaap_RealEstateRevenueNet | $ 479,971,000 us-gaap_RealEstateRevenueNet | $ 1,760,787,000 us-gaap_RealEstateRevenueNet | $ 1,750,486,000 us-gaap_RealEstateRevenueNet | $ 1,960,518,000 us-gaap_RealEstateRevenueNet
Europe Private Capital Segment [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Goodwill | 25,300,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = pld_EuropePrivateCapitalSegmentMember |  |  |  | 25,300,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = pld_EuropePrivateCapitalSegmentMember |  |  |  | 25,300,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = pld_EuropePrivateCapitalSegmentMember | 25,300,000 us-gaap_Goodwill / us-gaap_StatementBusinessSegmentsAxis = pld_EuropePrivateCapitalSegmentMember |
United States [Member] |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  | 1,400,000,000 us-gaap_RealEstateRevenueNet / us-gaap_StatementGeographicalAxis = country_US | 1,100,000,000 us-gaap_RealEstateRevenueNet / us-gaap_StatementGeographicalAxis = country_US | 1,100,000,000 us-gaap_RealEstateRevenueNet / us-gaap_StatementGeographicalAxis = country_US
Long-lived assets attributable to the United States | $ 17,300,000,000 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_US |  |  |  | $ 15,300,000,000 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_US |  |  |  | $ 17,300,000,000 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_US | $ 15,300,000,000 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_US |

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition Long-lived assets other than financial instruments, long-term customer relationships of a financial institution, mortgage and other servicing rights, deferred policy acquisition costs, and deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599 + Details
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- Definition The aggregate revenue from real estate operations during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1(e)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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