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		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Weighted average exchangeable Operating Partnership units outstanding	1,859	1,900	1,882	1,973
Total weighted average potentially dilutive limited partnership units outstanding	14,133	9,633	14,070	9,824
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	1,950	1,285	1,426	1,287
Total weighted average potentially dilutive exchangeable debt outstanding	11,879	11,879	11,879	11,879