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		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Net earnings (loss) attributable to common stockholders	$ 72,715	$ (1,517)	$ 77,381	$ 263,899
Noncontrolling interest attributable to exchangeable limited partnership units	264	(75)	302	1,599
Gains, net of expenses, associated with exchangeable debt assumed exchanged	(7,498)
Adjusted net earnings (loss) attributable to common stockholders	65,481	(1,592)	77,683	265,498
Weighted average common partnership units outstanding - Basic	499,112	486,032	498,919	473,892
Incremental weighted average effect on exchange of limited partnership units	1,964	1,893	1,964	3,039
Incremental weighted average effect of stock awards and warrants	3,664		3,677	3,078
Incremental weighted average effect on exchange of exchangeable debt	11,879
Weighted average common partnership units outstanding - Diluted	516,619	487,925	504,560	480,009
Net earnings (loss) per share attributable to common stockholders -
Basic	$ 0.15	$ 0.00	$ 0.16	$ 0.56
Diluted	$ 0.13	$ 0.00	$ 0.15	$ 0.55
Prologis, L.P. [Member]
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Net earnings (loss) attributable to common stockholders	72,973	(1,592)	77,655	264,956
Noncontrolling interest attributable to exchangeable limited partnership units	6		28	542
Gains, net of expenses, associated with exchangeable debt assumed exchanged	(7,498)
Adjusted net earnings (loss) attributable to common stockholders	$ 65,481	$ (1,592)	$ 77,683	$ 265,498
Weighted average common partnership units outstanding - Basic	500,879	487,925	500,686	475,785
Incremental weighted average effect on exchange of limited partnership units	197		197	1,146
Incremental weighted average effect of stock awards and warrants	3,664		3,677	3,078
Incremental weighted average effect on exchange of exchangeable debt	11,879
Weighted average common partnership units outstanding - Diluted	516,619	487,925	504,560	480,009
Net earnings (loss) per share attributable to common stockholders -
Basic	$ 0.15	$ 0.00	$ 0.16	$ 0.56
Diluted	$ 0.13	$ 0.00	$ 0.15	$ 0.55