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								12 Months Ended
		Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Net earnings attributable to common stockholders/unit holders - Basic		$ 280,470	$ 298,695	$ 404,539	$ 489,418	$ 385,480	$ 450,639	$ 383,784	$ 347,047	$ 1,473,122	$ 1,566,950	$ 1,643,426
Net earnings/Noncontrolling interest attributable to exchangeable limited partnership units	[1]									41,938	46,986	49,743
Adjusted net earnings attributable to common stockholders – Diluted										$ 1,515,060	$ 1,613,936	$ 1,693,169
Weighted average common shares/units outstanding - Basic										728,323	630,580	567,367
Incremental weighted average effect on exchange of limited partnership units	[1]									20,877	19,154	17,768
Incremental weighted average effect of equity awards										5,214	5,169	5,104
Weighted average common shares/partnership units outstanding - Diluted	[2]									754,414	654,903	590,239
Net earnings per share/unit attributable to common stockholders/unitholders -
Basic		$ 0.38	$ 0.40	$ 0.55	$ 0.70	$ 0.61	$ 0.71	$ 0.61	$ 0.55	$ 2.02	$ 2.48	$ 2.90
Diluted		$ 0.38	$ 0.40	$ 0.54	$ 0.70	$ 0.61	$ 0.71	$ 0.60	$ 0.55	$ 2.01	$ 2.46	$ 2.87
Net earnings attributable to exchangeable other limited partnership units	[1]									$ (41,938)	$ (46,986)	$ (49,743)
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										1,514,743	1,613,615	1,692,313
Net earnings/Noncontrolling interest attributable to exchangeable limited partnership units										(317)	(321)	(856)
Adjusted net earnings attributable to common stockholders – Diluted										$ 1,515,060	$ 1,613,936	$ 1,693,169
Weighted average common shares/units outstanding - Basic										740,860	641,128	575,798
Incremental weighted average effect on exchange of Class A convertible units										8,041	8,231	8,446
Incremental weighted average effect on exchange of limited partnership units										299	375	891
Incremental weighted average effect of equity awards										5,214	5,169	5,104
Weighted average common shares/partnership units outstanding - Diluted	[2]									754,414	654,903	590,239
Net earnings per share/unit attributable to common stockholders/unitholders -
Basic										$ 2.02	$ 2.48	$ 2.90
Diluted										$ 2.01	$ 2.46	$ 2.87
Net earnings attributable to exchangeable other limited partnership units										$ 317	$ 321	$ 856
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										(16,262)	(20,454)	(24,465)
Adjusted net earnings attributable to common stockholders – Diluted										16,262	20,454	24,465
Prologis, L.P. [Member] | Common Unit [Member]
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Net earnings attributable to common stockholders/unit holders - Basic										$ 1,498,481	$ 1,593,161	$ 1,667,848

[1] The exchangeable limited partnership units include the units as discussed in Note 11. Earnings allocated to the exchangeable OP units not held by the Parent have been included in the numerator and exchangeable common units have been included in the denominator for the purpose of computing diluted earnings per share for all periods as the per share and unit amount is the same

[2] Our total weighted average potentially dilutive shares and units outstanding for the years ended December 31 consisted of the following: