Unconsolidated Entities - Summarized Financial Information of Co-Investment Ventures (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended			3 Months Ended				12 Months Ended		3 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Mar. 31, 2013 Venture	Jun. 30, 2014 U.S, Prologis North American Industrial Fund III [Member] Property Venture	Mar. 31, 2014 U.S, Prologis North American Industrial Fund III [Member] Property Venture	Jun. 30, 2014 Nippon Prologis REIT Inc [Member]	Dec. 31, 2013 Nippon Prologis REIT Inc [Member]	Dec. 31, 2013 Prologis European Logistics Partners [Member]	Jun. 30, 2014 Fibra [Member] Venture	Jun. 30, 2014 Fibra [Member] U.S, Prologis North American Industrial Fund III [Member]
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Number of co-investment ventures			2	2	1				2
Number of Co-investment ventures concluded									3
Gain (Loss) on disposition of property				$ 14.2	$ 21.1
Number of disposed Properties				12	2
Acquisition Cost	16.5									36.8
Intercompany notes receivable						88.5	88.5
Proceeds of remaining sale								35.5
Due from affiliate	42.1
Guaranteed debt	$ 0	$ 0