Earnings Per Common Share / Unit - Computation of Basic and Diluted Earnings Per Share Unit (Parenthetical) (Detail) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Weighted average exchangeable Operating Partnership units outstanding	1,767	1,894
Total weighted average potentially dilutive limited partnership units outstanding	15,546	14,140
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	1,949	1,173
Total weighted average potentially dilutive exchangeable debt outstanding	11,879	11,879