Noncontrolling Interests - Noncontrolling Interest Summary (Parenthetical) (Detail) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended				3 Months Ended			3 Months Ended
	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2013 Prologis Institutional Alliance Fund II [Member]	Dec. 31, 2012 Prologis Institutional Alliance Fund II [Member]	Mar. 31, 2013 Brazil Fund [Member] Property	Jun. 30, 2013 Brazil Fund [Member]	Dec. 31, 2012 Brazil Fund [Member]	Jun. 30, 2013 Mexico Fondo Logistico [Member] Property sqft	Jun. 30, 2013 Prologis, L.P. [Member]	Dec. 31, 2012 Prologis, L.P. [Member]
Noncontrolling Interest [Line Items]
Outstanding limited partnership units	1,949,501	1,173,571	804,734						1,893,266	1,893,266
Limited partnership units redeemed for cash	1,053
Limited partnership units redeemed for common stock	27,751
Number of properties sold					2			5
Square footage of properties sold								700,000
Proceeds from sale of property								$ 52.1
Investments in unconsolidated entities						$ 127.2
Parent Company's Ownership Percentage				28.20%		50.00%	50.00%