Unconsolidated Entities - Additional Information (Detail) Share data in Millions, unless otherwise specified	3 Months Ended		6 Months Ended		0 Months Ended		1 Months Ended	6 Months Ended				6 Months Ended	1 Months Ended		3 Months Ended		0 Months Ended		6 Months Ended
	Jun. 30, 2013 USD ($) Investment	Jun. 30, 2012 USD ($)	Jun. 30, 2013 USD ($) Investment	Jun. 30, 2012 USD ($)	Feb. 14, 2013 Nippon Prologis REIT Inc [Member] USD ($)	Feb. 14, 2013 Nippon Prologis REIT Inc [Member] JPY (¥)	Jun. 30, 2013 Nippon Prologis REIT Inc [Member] USD ($) Property	Jun. 30, 2013 Nippon Prologis REIT Inc [Member] USD ($) Property	Jun. 30, 2013 Nippon Prologis REIT Inc [Member] Secondary Offering [Member] USD ($)	Jun. 30, 2013 Nippon Prologis REIT Inc [Member] Secondary Offering [Member] JPY (¥)	Jun. 30, 2013 Subsequent Event [Member] Nippon Prologis REIT Inc [Member] Secondary Offering [Member]	Jun. 30, 2013 Subsequent Event [Member] Prologis North American Industrial Fund III [Member] USD ($)	Mar. 19, 2013 Prologis European Logistics Partners [Member] USD ($) Markets Property	Mar. 19, 2013 Prologis European Logistics Partners [Member] EUR (€)	Mar. 31, 2013 Prologis European Logistics Partners [Member]	Mar. 19, 2013 Norges Bank Investment Management [Member]	Feb. 14, 2013 Co Investment Venture In Japan [Member] USD ($) Property	Feb. 14, 2013 Co Investment Venture In Japan [Member] JPY (¥)	Jun. 30, 2013 Prologis Japan Fund 1 [Member] USD ($) Property sqft	Jun. 30, 2013 Prologis Japan Fund 1 [Member] Nippon Prologis REIT Inc [Member] sqft	Jun. 30, 2013 Minimum [Member]	Jun. 30, 2013 Maximum [Member]
Schedule of Equity Method Investments [Line Items]
Ownership interest resulting from secondary offering							15.00%	15.00%			17.00%		50.00%	50.00%							15.00%	50.00%
Unconsolidated co-investment ventures			1
Investments in unconsolidated property funds	12		12
Number of acquired operating properties							1	1					195	195	195		12	12
Aggregate purchase price of co-investment venture													$ 3,000,000,000	€ 2,300,000,000			$ 1,900,000,000	¥ 173,000,000,000
Gross proceeds from selling of a portfolio					1,700,000,000	158,000,000,000
Gains on acquisitions and dispositions of investments in real estate, net	61,035,000	520,000	399,880,000	268,291,000			0	337,900,000
Net deferred gain due to our ongoing investment							0	59,600,000
Contribution toward Income tax expense Benefit	24,838,000	17,995,000	80,345,000	29,068,000				38,600,000
Venture initial term													15 years	15 years
Venture extended term													15 years	15 years
Joint venture investment ownership reduction after second anniversary													20.00%	20.00%
Number of global markets													11	11
Gain on sale of asset													1,800,000
Warrant received at signing to acquire shares of Prologis common stock																6
Common Stock Strike Price Per Share																35.64
Number of properties acquired from the fund																			14
Investment in realestate property receivable																			93,100,000
Number of properties sold																			8
Square footage of property																			1,800,000	4,300,000
Contribution of property								232,600,000
Gains on Acquisitions and Dispositions of Investments in Real Estate								56,900,000
Tax expense	20,488,000	8,075,000	72,354,000	20,199,000				8,300,000
Investment in real estate									151,100,000	14,200,000,000
Ownership interest resulting from secondary offering after											15.00%
Proceeds from sale of properties												427,500,000
Number of real estate properties acquired												529,000,000
Fees earned from other investees and third parties	$ 700,000	$ 500,000	$ 900,000	$ 1,500,000