Unconsolidated Entities - Information About Investments in Co-investment Ventures by Property Funds (Parenthetical) (Detail) In Millions, unless otherwise specified	12 Months Ended		12 Months Ended
	Dec. 31, 2013 Property Investor Partner Venture	Dec. 31, 2013 Prologis Mexico Industrial Fund [Member] Venture	Dec. 31, 2013 Prologis Targeted U.S. Logistics Fund [Member] USD ($) Property sqft	Dec. 31, 2013 Prologis North American Industrial Fund [Member] USD ($) Property Venture	Dec. 31, 2013 Prologis Brazil Logistics Partners Fund and related joint ventures [Member] USD ($) Property sqft	Dec. 31, 2013 Prologis Targeted European Logistics Fund [Member] USD ($) sqft Property	Dec. 31, 2013 Prologis European Properties Fund II [Member] USD ($) sqft Property	Dec. 31, 2013 Prologis European Properties Fund II [Member] EUR (€)	Dec. 31, 2013 Europe Logistics Venture 1 [Member] USD ($) sqft Property	Dec. 31, 2013 Nippon Prologis REIT Inc [Member] USD ($) sqft Property	Dec. 31, 2013 Minimum [Member]	Dec. 31, 2013 Minimum [Member] Prologis Brazil Logistics Partners Fund and related joint ventures [Member]	Dec. 31, 2013 Maximum [Member]	Dec. 31, 2013 Maximum [Member] Prologis Brazil Logistics Partners Fund and related joint ventures [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Gain (Loss ) on disposition of property			$ 35.5	$ 2.3
Number of disposed properties			14	6
Number of acquired property from third party			34				10	10
Area of acquired property			4,400,000				2,600,000	2,600,000
Equity method investment contribution			274.7				284.7	212.7
Number of institutional investors	9
Number of Co investment Ventures	2	1		1
Percentage of equity interest holds in unconsolidated joint venture	50.00%
Ownership Percentage in property fund					50.00%						15.00%	5.00%	50.00%	50.00%
Number of properties contributed to venture	1				3,000,000	8	21	21	10	6
Area of development properties					1,100,000	1,600,000	4,500,000	4,500,000	1,900,000	4,600,000
Proceeds from co-investment venture					122.6	144.6	391.6		189.9	963.9
Amount of acquisition							222.4
Number of fund partner	1
Number of properties contributed									4
Area of properties contributed									500,000
Proceeds from properties contributed									57.6
Number of properties acquired									12	6
Area of properties acquired									2,600,000	4,300,000
Payment to acquire properties									$ 380.4