v2.4.0.8
Unconsolidated Entities - Summary of Remaining Equity Commitments (Detail) (USD $)
In Millions, unless otherwise specified
Sep. 30, 2014
Schedule Of Equity Method Investments Joint Ventures [Line Items]  
Remaining equity commitments $ 2,765.2
Prologis Targeted U.S. Logistics Fund [Member]
  
Schedule Of Equity Method Investments Joint Ventures [Line Items]  
Remaining equity commitments 351.5
Prologis Targeted Europe Logistics Fund [Member]
  
Schedule Of Equity Method Investments Joint Ventures [Line Items]  
Remaining equity commitments 281.9
Prologis European Properties Fund II [Member]
  
Schedule Of Equity Method Investments Joint Ventures [Line Items]  
Remaining equity commitments 257.9
Europe Logistics Venture 1 [Member]
  
Schedule Of Equity Method Investments Joint Ventures [Line Items]  
Remaining equity commitments 145.8
Prologis European Logistics Partners [Member]
  
Schedule Of Equity Method Investments Joint Ventures [Line Items]  
Remaining equity commitments 215.6
Prologis China Logistics Venture 1 and 2 [Member]
  
Schedule Of Equity Method Investments Joint Ventures [Line Items]  
Remaining equity commitments 1,512.5
Prologis [Member]
  
Schedule Of Equity Method Investments Joint Ventures [Line Items]  
Remaining equity commitments 556.6
Prologis [Member] | Prologis Targeted Europe Logistics Fund [Member]
  
Schedule Of Equity Method Investments Joint Ventures [Line Items]  
Remaining equity commitments 121.4
Prologis [Member] | Prologis European Properties Fund II [Member]
  
Schedule Of Equity Method Investments Joint Ventures [Line Items]  
Remaining equity commitments 78.6
Prologis [Member] | Europe Logistics Venture 1 [Member]
  
Schedule Of Equity Method Investments Joint Ventures [Line Items]  
Remaining equity commitments 21.9
Prologis [Member] | Prologis European Logistics Partners [Member]
  
Schedule Of Equity Method Investments Joint Ventures [Line Items]  
Remaining equity commitments 107.8
Prologis [Member] | Prologis China Logistics Venture 1 and 2 [Member]
  
Schedule Of Equity Method Investments Joint Ventures [Line Items]  
Remaining equity commitments 226.9
Venture Partners [Member]
  
Schedule Of Equity Method Investments Joint Ventures [Line Items]  
Remaining equity commitments 2,208.6
Venture Partners [Member] | Prologis Targeted U.S. Logistics Fund [Member]
  
Schedule Of Equity Method Investments Joint Ventures [Line Items]  
Remaining equity commitments 351.5
Venture Partners [Member] | Prologis Targeted Europe Logistics Fund [Member]
  
Schedule Of Equity Method Investments Joint Ventures [Line Items]  
Remaining equity commitments 160.5
Venture Partners [Member] | Prologis European Properties Fund II [Member]
  
Schedule Of Equity Method Investments Joint Ventures [Line Items]  
Remaining equity commitments 179.3
Venture Partners [Member] | Europe Logistics Venture 1 [Member]
  
Schedule Of Equity Method Investments Joint Ventures [Line Items]  
Remaining equity commitments 123.9
Venture Partners [Member] | Prologis European Logistics Partners [Member]
  
Schedule Of Equity Method Investments Joint Ventures [Line Items]  
Remaining equity commitments 107.8
Venture Partners [Member] | Prologis China Logistics Venture 1 and 2 [Member]
  
Schedule Of Equity Method Investments Joint Ventures [Line Items]  
Remaining equity commitments $ 1,285.6