Unconsolidated Entities - Summary of Remaining Equity Commitments (Parenthetical) (Detail) |
Dec. 31, 2017
$ / €
$ / £
|
|---|---|
| Prologis European Logistics Fund [Member] | |
| Schedule Of Equity Method Investments [Line Items] | |
| Exchange rate | $ / € | 1.20 |
| Prologis U.K. Logistics Venture [Member] | |
| Schedule Of Equity Method Investments [Line Items] | |
| Exchange rate | $ / £ | 1.35 |