Unconsolidated Entities - Summarized Financial Information of Co-Investment Ventures (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	0 Months Ended	12 Months Ended				1 Months Ended	3 Months Ended	12 Months Ended
	Apr. 30, 2013	Dec. 31, 2013 Property Transactions Venture	Dec. 31, 2013 U.S, Prologis North American Industrial Fund III [Member] Property Venture	Dec. 31, 2012 U.S, Prologis North American Industrial Fund III [Member] Property Venture	Dec. 31, 2012 Prologis SGP Mexico [Member]	Mar. 19, 2013 Prologis European Logistics Partners [Member] Property	Mar. 31, 2013 Prologis European Logistics Partners [Member] Property	Dec. 31, 2013 Prologis European Logistics Partners [Member]	Dec. 31, 2013 Nippon Prologis REIT Inc [Member] Property
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Number of co-investment ventures		2	3	5
Gain (Loss) on disposition of property			$ 60.6	$ 9.4
Number of disposed properties			23	38
Equity method investments, extinguishment of debt				25.1
Interest rate swap agreements				21.5
Intercompany notes receivable					19.8				88.5
Proceeds of remaining sale	1,400.0							35.5
Guaranteed debt		$ 0
Number of types of transactions		3
Number of additional property contributed		1				195	195		6