v3.8.0.1

Unconsolidated Entities - Summary of Operating Information and Financial Position of Unconsolidated Co-investment Ventures (Parenthetical) (Detail) $ in Thousands, € in Millions, £ in Millions | 1 Months Ended | 9 Months Ended | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jan. 31, 2017 USD ($) | Apr. 30, 2016 USD ($) | Apr. 30, 2016 EUR (€) | Sep. 30, 2017 USD ($) ft² a Buildings | Dec. 31, 2016 USD ($) ft² a Buildings | Sep. 30, 2017 GBP (£) ft² a Buildings | Aug. 31, 2017 ft² Property | Jul. 31, 2017 ft² Property | Feb. 28, 2017 GBP (£)
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |
Deferred gain recognize |  |  |  | $ 667,700 | $ 469,900 |  |  |  |
Additional costs associated with investment in a venture |  |  |  | 106,300 | 124,100 |  |  |  |
Advances to venture |  |  |  | 195,200 | 166,100 |  |  |  |
Equity commitments |  |  |  | 76,000 |  |  |  |  | £ 57.0
Aggregate sales price of real estate properties |  |  |  | $ 25,977,157 | $ 27,119,330 |  |  |  |
Properties Under Development [Member] |  |  |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |
Number of operating properties owned | Buildings |  |  |  | 55 | 60 | 55 |  |  |
Square feet | ft² |  |  |  | 22,189,000 | 19,539,000 | 22,189,000 |  |  |
Aggregate sales price of real estate properties |  |  |  | $ 1,059,764 | $ 633,849 |  |  |  |
Land [Member] |  |  |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |
Square feet | a |  |  |  | 5,871 | 5,892 | 5,871 |  |  |
Aggregate sales price of real estate properties |  |  |  | $ 1,313,268 | $ 1,218,904 |  |  |  |
Other Americas [Member] | Brazil Joint Venture [Member] |  |  |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |
Number of operating properties owned | Property |  |  |  |  |  |  | 9 |  |
Square feet | ft² |  |  |  |  |  |  | 2,800,000 |  |
Prologis Targeted European Logistics Fund [Member] |  |  |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |
Redeemed a portion of investment |  | $ 210,600 | € 185.0 |  |  |  |  |  |
Prologis Targeted U S Logistics Fund [Member] |  |  |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  |  |  | 27.10% |
Redeemed a portion of investment |  | $ 200,000 |  |  |  |  |  |  |
Number of operating properties owned | Property |  |  |  |  |  |  |  | 190 |
Square feet | ft² |  |  |  |  |  |  |  | 37,100,000 |
Europe Logistics Venture 1 [Member] |  |  |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |
Redeemed a portion of investment | $ 84,300 |  |  |  |  |  |  |  |
Prologis U.K. Logistics Venture [Member] |  |  |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |
Ownership percentage |  |  |  |  |  |  |  |  | 15.00%
Equity commitments |  |  |  | $ 508,900 |  |  |  |  | £ 380.0
Prologis U.K. Logistics Venture [Member] | Stabilized Properties [Member] |  |  |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |
Square feet | ft² |  |  |  | 1,400,000 |  | 1,400,000 |  |  |
Prologis U.K. Logistics Venture [Member] | Stabilized Properties, Properties under Development and Land [Member] |  |  |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |
Aggregate sales price of real estate properties |  |  |  | $ 336,400 |  | £ 269.5 |  |  |
Prologis U.K. Logistics Venture [Member] | Properties Under Development [Member] |  |  |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |
Square feet | ft² |  |  |  | 600,000 |  | 600,000 |  |  |
Prologis U.K. Logistics Venture [Member] | Land [Member] |  |  |  |  |  |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |
Square feet | a |  |  |  | 144.8 |  | 144.8 |  |  |

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- Definition Long-Term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership. This does not include advances to clients. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04.2) -URI http://asc.fasb.org/extlink&oid=6488278&loc=d3e603758-122996 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 4 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=82887183&loc=d3e6812-107765 + Details
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