Business Combinations - Additional Information (Detail) (USD $)	3 Months Ended		9 Months Ended		1 Months Ended				9 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Aug. 31, 2013 Prologis North American Industrial Fund III [Member]	Aug. 06, 2013 Prologis North American Industrial Fund III [Member] Property sqft	Aug. 06, 2013 Prologis North American Industrial Fund III [Member] Minimum [Member]	Aug. 06, 2013 Prologis North American Industrial Fund III [Member] Maximum [Member]	Sep. 30, 2013 NAIF II [Member]	Feb. 03, 2012 NAIF II [Member]	Sep. 30, 2012 Prologis California [Member]	Feb. 22, 2012 Prologis California [Member]
Business Acquisition Actual Revenue And Pre Tax Income Loss [Line Items]
Number of properties sold						73
Square footage of property						9,500,000
Proceeds from sale of properties					$ 427,500,000
Equity method investment, percentage							80.00%	100.00%	63.00%
Business acquisition purchase price allocation real estate						519,200,000				1,600,000,000		496,300,000
Business acquisition purchase price allocation other assets						22,000,000				27,300,000		17,700,000
Business acquisition purchase price allocation debt						43,700,000				875,400,000		150,000,000
Gain on acquisition					0						273,000,000
Percentage owned in unconsolidated co-investment venture									100.00%
Business acquisition, loan repayment									336,100,000
Rental income	297,044,000	372,491,000	941,969,000	1,096,600,000					124,000,000
Rental expenses	108,912,000	126,431,000	353,272,000	369,284,000					30,300,000
Rental Income included in discontinued operations	801,000	23,910,000	8,602,000	88,245,000					9,200,000
Rental expenses included in discontinued operations									$ 1,800,000