v3.8.0.1
Unconsolidated Entities - Summary of Remaining Equity Commitments (Parenthetical) (Detail)
Sep. 30, 2017
$ / €
$ / £
Prologis Targeted European Logistics Fund [Member]  
Schedule Of Equity Method Investments [Line Items]  
Exchange rate | $ / € 1.18
Prologis U.K. Logistics Venture [Member]  
Schedule Of Equity Method Investments [Line Items]  
Exchange rate | $ / £ 1.34