Earnings Per Common Share / Unit - Schedule of Earnings Per Share Basic and Diluted by Common Class (Parenthetical) (Detail) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Total weighted average potentially dilutive limited partnership units outstanding	3,067	3,347
Total weighted average potentially dilutive stock awards and warrants outstanding	14,140	10,132
Prologis, L.P. [Member]
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Total weighted average potentially dilutive limited partnership units outstanding	1,173	1,291
Total weighted average potentially dilutive stock awards and warrants outstanding	14,140	10,132