Unconsolidated Entities - Summary of Remaining Equity Commitments (Parenthetical) (Detail)	12 Months Ended	3 Months Ended	12 Months Ended		12 Months Ended				3 Months Ended		12 Months Ended	1 Months Ended	3 Months Ended		12 Months Ended					3 Months Ended	12 Months Ended		3 Months Ended			12 Months Ended
	Dec. 31, 2013 USD ($) Property	Sep. 30, 2013 Prologis Targeted U.S. Logistics Fund [Member] USD ($)	Dec. 31, 2013 Prologis Targeted U.S. Logistics Fund [Member] USD ($)	Dec. 31, 2013 Prologis Targeted U.S. Logistics Fund [Member] Expiring by June 2014 [Member] USD ($)	Dec. 31, 2013 Prologis Targeted Europe Logistics Fund [Member] USD ($)	Dec. 31, 2013 Prologis Targeted Europe Logistics Fund [Member] EUR (€)	Dec. 31, 2013 Prologis European Properties Fund II [Member] USD ($) Property	Dec. 31, 2013 Prologis European Properties Fund II [Member] EUR (€)	Dec. 31, 2013 Europe Logistics Venture 1 [Member] USD ($)	Dec. 31, 2013 Europe Logistics Venture 1 [Member] EUR (€)	Dec. 31, 2013 Europe Logistics Venture 1 [Member] USD ($) Property	Mar. 19, 2013 Prologis European Logistics Partners [Member] Property	Mar. 31, 2013 Prologis European Logistics Partners [Member] USD ($) Property	Mar. 31, 2013 Prologis European Logistics Partners [Member] EUR (€)	Dec. 31, 2013 Prologis European Logistics Partners [Member] USD ($)	Dec. 31, 2013 Prologis European Logistics Partners [Member] EUR (€)	Dec. 31, 2013 Prologis European Logistics Partners [Member] Additional Equity Commitments [Member] USD ($)	Dec. 31, 2013 Prologis European Logistics Partners [Member] Additional Equity Commitments [Member] EUR (€)	Dec. 31, 2013 Prologis China Logistics Venture 1 [Member] USD ($)	Dec. 31, 2013 Prologis China Logistics Venture II [Member] USD ($)	Dec. 31, 2013 British pound sterling [Member] Prologis European Logistics Partners [Member] Additional Equity Commitments [Member] USD ($)	Dec. 31, 2013 British pound sterling [Member] Prologis European Logistics Partners [Member] Additional Equity Commitments [Member] EUR (€)	Sep. 30, 2013 Third Party [Member] Prologis Targeted U.S. Logistics Fund [Member] USD ($)	Dec. 31, 2013 Third Party [Member] Europe Logistics Venture 1 [Member] USD ($)	Dec. 31, 2013 Third Party [Member] Europe Logistics Venture 1 [Member] EUR (€)	Dec. 31, 2013 Third Party [Member] Prologis China Logistics Venture 1 [Member] USD ($)
Schedule Of Equity Method Investments Joint Ventures [Line Items]
Commitments from third parties, secured			$ 438,000,000		$ 322,700,000	€ 234,000,000	$ 438,400,000	€ 325,000,000	$ 203,400,000	€ 149,700,000										$ 588,200,000						$ 39,100,000
Equity method investment remaining contribution		100,000,000			210,900,000	160,000,000	153,700,000	116,300,000							319,500,000	241,000,000	229,100,000	169,900,000		88,200,000	220,300,000	159,800,000	173,300,000			6,900,000
Additional equity commitments			100,000,000		346,800,000	258,600,000	165,700,000	125,000,000							457,900,000	339,800,000
Equity method investments contribution		273,300,000			350,100,000	261,000,000	438,400,000	329,000,000	30,500,000	22,400,000					159,800,000	120,500,000								172,900,000	127,200,000
Remaining equity commitments	2,463,500,000		294,800,000	245,000,000	319,400,000		166,900,000		171,500,000		171,500,000				511,400,000				411,300,000	588,200,000
Equity method investment partner contribution			274,700,000		139,300,000	101,000,000	284,700,000	212,700,000												500,000,000
Investment closed with NBIM													3,100,000,000	2,400,000,000
Partner capital, contributions													$ 1,600,000,000	€ 1,200,000,000
Number of properties contributed to venture	1						21	21			10	195	195	195