Earnings Per Common Share or Unit - Computation of Basic and Diluted Earnings Per Share Unit (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Net earnings attributable to common stockholders/unit holders - Basic	$ 203,255	$ 208,041
Net earnings attributable to redeemable limited partnership unitholders	(5,967)	(6,609)
Adjusted net earnings attributable to common stockholders – Diluted	$ 209,222	$ 214,650
Weighted average common shares/units outstanding – Basic	528,721	524,205
Incremental weighted average effect on redemption of limited partnership units	16,455	17,543
Incremental weighted average effect of equity awards	4,834	1,814
Weighted average common shares/partnership units outstanding - Diluted	550,010	543,562
Net earnings per share/unit attributable to common stockholders/unitholders -
Basic	$ 0.38	$ 0.40
Diluted	$ 0.38	$ 0.39
Prologis, L.P. [Member]
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Net earnings attributable to common stockholders/unit holders - Basic	$ 208,878	$ 214,275
Net earnings attributable to limited partnership unitholders	344	375
Adjusted net earnings attributable to common stockholders – Diluted	$ 209,222	$ 214,650
Weighted average common shares/units outstanding – Basic	534,685	531,070
Incremental weighted average effect on conversion of Class A Units	8,664	8,844
Incremental weighted average effect on redemption of limited partnership units	1,827	1,834
Incremental weighted average effect of equity awards	4,834	1,814
Weighted average common shares/partnership units outstanding - Diluted	550,010	543,562
Net earnings per share/unit attributable to common stockholders/unitholders -
Basic	$ 0.38	$ 0.40
Diluted	$ 0.38	$ 0.39
Prologis, L.P. [Member] | Class A Common [Member]
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Net earnings attributable to common stockholders/unit holders - Basic	$ (3,331)	$ (3,510)
Adjusted net earnings attributable to common stockholders – Diluted	3,331	3,510
Prologis, L.P. [Member] | Common Units
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Net earnings attributable to common stockholders/unit holders - Basic	$ 205,547	$ 210,765