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		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Net earnings attributable to common stockholders/unit holders - Basic	$ 298,695	$ 450,639	$ 1,192,652	$ 1,181,470
Net earnings attributable to exchangeable limited partnership units	8,440	13,422	34,252	35,838
Adjusted net earnings attributable to common stockholders – Diluted	$ 307,135	$ 464,061	$ 1,226,904	$ 1,217,308
Weighted average common shares/units outstanding - Basic	738,194	630,929	724,876	630,356
Incremental weighted average effect on exchange of limited partnership units	21,110	18,760	20,960	19,403
Incremental weighted average effect of equity awards	5,315	5,570	5,135	5,059
Weighted average common shares/partnership units outstanding - Diluted	764,619	655,259	750,971	654,818
Net earnings per share/unit attributable to common stockholders/unitholders -
Basic	$ 0.40	$ 0.71	$ 1.65	$ 1.87
Diluted	$ 0.40	$ 0.71	$ 1.63	$ 1.86
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	$ 307,069	$ 463,997	$ 1,226,646	$ 1,217,088
Net earnings attributable to exchangeable limited partnership units	66	64	258	220
Adjusted net earnings attributable to common stockholders – Diluted	$ 307,135	$ 464,061	$ 1,226,904	$ 1,217,308
Weighted average common shares/units outstanding - Basic	750,971	641,229	737,489	641,077
Incremental weighted average effect on exchange of Class A convertible units	8,034	8,154	8,048	8,282
Incremental weighted average effect on exchange of limited partnership units	299	306	299	400
Incremental weighted average effect of equity awards	5,315	5,570	5,135	5,059
Weighted average common shares/partnership units outstanding - Diluted	764,619	655,259	750,971	654,818
Net earnings per share/unit attributable to common stockholders/unitholders -
Basic	$ 0.40	$ 0.71	$ 1.65	$ 1.87
Diluted	$ 0.40	$ 0.71	$ 1.63	$ 1.86
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	$ (3,216)	$ (5,840)	$ (13,242)	$ (15,523)
Adjusted net earnings attributable to common stockholders – Diluted	3,216	5,840	13,242	15,523
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	$ 303,853	$ 458,157	$ 1,213,404	$ 1,201,565