Unconsolidated Entities - Summary of Remaining Equity Commitments (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2013
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Remaining equity commitments	$ 2,463.5
Prologis Targeted U.S. Logistics Fund [Member]
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Remaining equity commitments	294.8
Prologis Targeted Europe Logistics Fund [Member]
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Remaining equity commitments	319.4
Prologis European Properties Fund II [Member]
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Remaining equity commitments	166.9
Europe Logistics Venture 1 [Member]
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Remaining equity commitments	171.5
Prologis European Logistics Partners [Member]
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Remaining equity commitments	511.4
Prologis China Logistics Venture 1 [Member]
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Remaining equity commitments	411.3
Prologis China Logistics Venture II [Member]
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Remaining equity commitments	588.2
Prologis [Member]
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Remaining equity commitments	579.3
Prologis [Member] | Prologis Targeted Europe Logistics Fund [Member]
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Remaining equity commitments	136.0
Prologis [Member] | Prologis European Properties Fund II [Member]
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Remaining equity commitments	12.0
Prologis [Member] | Europe Logistics Venture 1 [Member]
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Remaining equity commitments	25.7
Prologis [Member] | Prologis European Logistics Partners [Member]
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Remaining equity commitments	255.7
Prologis [Member] | Prologis China Logistics Venture 1 [Member]
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Remaining equity commitments	61.7
Prologis [Member] | Prologis China Logistics Venture II [Member]
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Remaining equity commitments	88.2
Venture Partners [Member]
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Remaining equity commitments	1,884.2
Venture Partners [Member] | Prologis Targeted U.S. Logistics Fund [Member]
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Remaining equity commitments	294.8
Venture Partners [Member] | Prologis Targeted Europe Logistics Fund [Member]
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Remaining equity commitments	183.4
Venture Partners [Member] | Prologis European Properties Fund II [Member]
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Remaining equity commitments	154.9
Venture Partners [Member] | Europe Logistics Venture 1 [Member]
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Remaining equity commitments	145.8
Venture Partners [Member] | Prologis European Logistics Partners [Member]
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Remaining equity commitments	255.7
Venture Partners [Member] | Prologis China Logistics Venture 1 [Member]
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Remaining equity commitments	349.6
Venture Partners [Member] | Prologis China Logistics Venture II [Member]
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Remaining equity commitments	$ 500.0