Earnings Per Common Share / Unit - Computation of Basic and Diluted Earnings Per Share Unit (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Net earnings attributable to common stockholders	$ 4,666	$ 265,416
Noncontrolling interest attributable to exchangeable limited partnership units	17	1,182
Interest expense on exchangeable debt assumed exchanged		4,235
Adjusted net earnings attributable to common stockholders	4,683	270,833
Weighted average common partnership units outstanding-Basic	498,696	461,468
Incremental weighted average effect on exchange of limited partnership units	1,767	3,039
Incremental weighted average effect of stock awards and warrants	3,910	2,566
Incremental weighted average effect on exchange of certain exchangeable debt		11,879
Weighted average common partnership units outstanding-Diluted	504,373	478,952
Net earnings per share attributable to common stockholders -
Basic	$ 0.01	$ 0.58
Diluted	$ 0.01	$ 0.57
Prologis, L.P. [Member]
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Net earnings attributable to common stockholders	4,683	266,548
Noncontrolling interest attributable to exchangeable limited partnership units		50
Interest expense on exchangeable debt assumed exchanged		4,235
Adjusted net earnings attributable to common stockholders	$ 4,683	$ 270,833
Weighted average common partnership units outstanding-Basic	500,463	463,361
Incremental weighted average effect on exchange of limited partnership units		1,146
Incremental weighted average effect of stock awards and warrants	3,910	2,566
Incremental weighted average effect on exchange of certain exchangeable debt		11,879
Weighted average common partnership units outstanding-Diluted	504,373	478,952
Net earnings per share attributable to common stockholders -
Basic	$ 0.01	$ 0.58
Diluted	$ 0.01	$ 0.57