Noncontrolling Interests - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended		3 Months Ended	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2013 Prologis Institutional Alliance Fund II [Member]	Dec. 31, 2013 Prologis Institutional Alliance Fund II [Member]	Dec. 31, 2013 Prologis Us Logistics Venture [Member] Property
Noncontrolling Interest [Line Items]
Description of conversion rate	One share of common stock to one unit
Percentage of co-investment	Less than 100%
Payment to acquire partners' interest			$ 245.8
Number of limited partnership units issued	1,948,608	1,173,571	804,734	804,734
Amount of partnership units issued			31.3
Earnings from the fund			18.8
Earnings attributable to noncontrolling interest				13.5
Investment management expenses				2.7
Ownership percentage in joint venture					55.00%
Number of properties sold					66
Common partnership units of operating partnership owned by REIT	99.65%
Net earnings attributable to noncontrolling interest	10.1
(Loss) from continuing operations	(0.5)
Income from discontinued operations	$ 10.6