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Unconsolidated Entities - Summary of Operating Information and Financial Position of Unconsolidated Co-investment Ventures (Parenthetical) (Detail) € in Millions, $ in Millions | 1 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Feb. 28, 2019 USD ($) | Feb. 28, 2019 EUR (€) | Mar. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Schedule Of Equity Method Investments [Line Items] |  |  |  |
Deferred gain recognized from contribution of property to a venture |  |  | $ 627.4 | $ 635.9
Additional costs associated with investment in a venture |  |  | 88.4 | 94.4
Receivables from unconsolidated co-investment ventures |  |  | 100.9 | 166.7
Customer security deposits retained subsequent to property contributions |  |  | $ 122.0 | $ 122.0
Redemption of a portion of investment Prologis European Logistics Fund | $ 313.3 | € 278.2 |  |
Prologis European Logistics Fund [Member] |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |
Ownership Percentage in property fund |  |  | 24.30% |

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