Unconsolidated Entities - Summary of Remaining Equity Commitments (Parenthetical) (Detail)	Mar. 31, 2017 $ / € $ / £
Prologis Targeted Europe Logistics Fund [Member]
Schedule Of Equity Method Investments [Line Items]
Exchange rate	1.07
Prologis European Properties Fund II [Member]
Schedule Of Equity Method Investments [Line Items]
Exchange rate	1.07
Europe Logistics Venture 1 [Member]
Schedule Of Equity Method Investments [Line Items]
Exchange rate	1.07
Prologis U.K. Logistics Venture [Member]
Schedule Of Equity Method Investments [Line Items]
Exchange rate | $ / £	1.25