Unconsolidated Entities - Information About Investments in Co-investment Ventures by Property Funds (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Property Fund [Member] sqft Property	Dec. 31, 2012 Property Fund [Member]	Dec. 31, 2013 Prologis Mexico Industrial Fund [Member] Property Fund [Member] sqft Property	Dec. 31, 2012 Prologis Mexico Industrial Fund [Member] Property Fund [Member]	Dec. 31, 2013 Prologis Targeted U.S. Logistics Fund [Member] Property Fund [Member] Property sqft	Dec. 31, 2012 Prologis Targeted U.S. Logistics Fund [Member] Property Fund [Member]	Dec. 31, 2013 Prologis North American Industrial Fund [Member] Property Fund [Member] sqft Property	Dec. 31, 2012 Prologis North American Industrial Fund [Member] Property Fund [Member]	Dec. 31, 2013 Prologis North American Industrial Fund III [Member] Property Fund [Member] Property sqft	Dec. 31, 2012 Prologis North American Industrial Fund III [Member] Property Fund [Member]	Dec. 31, 2013 Prologis SGP Mexico [Member] Property Fund [Member] Property sqft	Dec. 31, 2012 Prologis SGP Mexico [Member] Property Fund [Member]	Dec. 31, 2013 Prologis Brazil Logistics Partners Fund and related joint ventures [Member]	Dec. 31, 2013 Prologis Brazil Logistics Partners Fund and related joint ventures [Member] Property Fund [Member] sqft Property	Dec. 31, 2012 Prologis Brazil Logistics Partners Fund and related joint ventures [Member] Property Fund [Member]	Dec. 31, 2013 Prologis Targeted European Logistics Fund [Member] Property Fund [Member] Property sqft	Dec. 31, 2012 Prologis Targeted European Logistics Fund [Member] Property Fund [Member]	Dec. 31, 2013 Prologis European Properties Fund II [Member] Property Fund [Member] Property sqft	Dec. 31, 2012 Prologis European Properties Fund II [Member] Property Fund [Member]	Dec. 31, 2013 Europe Logistics Venture 1 [Member] Property Fund [Member] sqft Property	Dec. 31, 2012 Europe Logistics Venture 1 [Member] Property Fund [Member]	Mar. 19, 2013 Prologis European Logistics Partners [Member] sqft	Dec. 31, 2013 Prologis European Logistics Partners [Member] Property Fund [Member] sqft Property	Dec. 31, 2012 Prologis European Logistics Partners [Member] Property Fund [Member]	Dec. 31, 2013 Nippon Prologis REIT Inc [Member] Property Fund [Member] Property sqft	Dec. 31, 2012 Nippon Prologis REIT Inc [Member] Property Fund [Member]	Dec. 31, 2013 Prologis Japan Fund 1 [Member] Property Fund [Member] Property sqft	Dec. 31, 2012 Prologis Japan Fund 1 [Member] Property Fund [Member]	Dec. 31, 2013 Prologis China Logistics Venture 1 [Member] Property Fund [Member] Property sqft	Dec. 31, 2012 Prologis China Logistics Venture 1 [Member] Property Fund [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Number of real estate properties owned			1,317		74		385		237							11		84		250		24			209		24				19
Square feet of the property			264,293,000		9,503,000		48,490,000		46,500,000							4,044,000		13,652,000		62,364,000		5,070,000		48,700,000	51,790,000		18,508,000				4,372,000
Ownership Percentage in property fund					20.00%	20.00%	25.90%	23.90%	23.10%	23.10%		20.00%		21.60%	50.00%	50.00%	50.00%	43.10%	32.40%	32.50%	29.70%	15.00%	15.00%	50.00%	50.00%		15.10%			20.00%	15.00%	15.00%
Investment in and Advances to unconsolidated investees	$ 4,430,239	$ 2,195,782	$ 4,250,015	$ 2,013,080	$ 49,684	$ 50,681	$ 743,454	$ 645,241	$ 201,482	$ 209,580		$ 20,860		$ 33,245		$ 199,392	$ 152,224	$ 471,896	$ 280,430	$ 582,828	$ 398,291	$ 62,654	$ 44,027		$ 1,585,923		$ 309,715			$ 144,352	$ 42,987	$ 34,149