Earnings Per Common Share or Unit - Computation of Basic and Diluted Earnings Per Share or Unit (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Net earnings attributable to common stockholders/unit holders - Basic	$ 489,418	$ 347,047
Net earnings attributable to exchangeable limited partnership units	14,049	10,657
Adjusted net earnings attributable to common stockholders – Diluted	$ 503,467	$ 357,704
Weighted average common shares/units outstanding - Basic	698,272	629,676
Incremental weighted average effect on exchange of limited partnership units	20,230	19,718
Incremental weighted average effect of equity awards	5,481	4,965
Weighted average common shares/partnership units outstanding - Diluted	723,983	654,359
Net earnings per share/unit attributable to common stockholders/unitholders -
Basic	$ 0.70	$ 0.55
Diluted	$ 0.70	$ 0.55
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	$ 503,388	$ 357,621
Net earnings attributable to exchangeable limited partnership units	79	83
Adjusted net earnings attributable to common stockholders – Diluted	$ 503,467	$ 357,704
Weighted average common shares/units outstanding - Basic	710,141	640,504
Incremental weighted average effect on exchange of Class A convertible units	8,062	8,356
Incremental weighted average effect on exchange of limited partnership units	299	534
Incremental weighted average effect of equity awards	5,481	4,965
Weighted average common shares/partnership units outstanding - Diluted	723,983	654,359
Net earnings per share/unit attributable to common stockholders/unitholders -
Basic	$ 0.70	$ 0.55
Diluted	$ 0.70	$ 0.55
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	$ (5,651)	$ (4,606)
Adjusted net earnings attributable to common stockholders – Diluted	5,651	4,606
Prologis, L.P. [Member] | Common Units [Member]
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Net earnings attributable to common stockholders/unit holders - Basic	$ 497,737	$ 353,015