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		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Net earnings attributable to common stockholders/unit holders - Basic	$ 383,784	$ 334,611	$ 730,831	$ 700,513
Net earnings attributable to exchangeable limited partnership units	11,759	10,216	22,416	20,909
Adjusted net earnings attributable to common stockholders – Diluted	$ 395,543	$ 344,827	$ 753,247	$ 721,422
Weighted average common shares/units outstanding – Basic	630,271	532,639	629,990	532,427
Incremental weighted average effect on exchange of limited partnership units	19,556	16,847	19,637	16,560
Incremental weighted average effect of equity awards	5,620	5,029	5,139	5,079
Weighted average common shares/partnership units outstanding - Diluted	655,447	554,515	654,766	554,066
Net earnings per share/unit attributable to common stockholders/unitholders -
Basic	$ 0.61	$ 0.63	$ 1.16	$ 1.32
Diluted	$ 0.60	$ 0.62	$ 1.15	$ 1.30
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	$ 395,470	$ 344,633	$ 753,091	$ 721,058
Net earnings attributable to exchangeable limited partnership units	73	194	156	364
Adjusted net earnings attributable to common stockholders – Diluted	$ 395,543	$ 344,827	$ 753,247	$ 721,422
Weighted average common shares/units outstanding – Basic	641,127	540,084	640,832	539,547
Incremental weighted average effect on exchange of Class A convertible units	8,337	8,477	8,347	8,495
Incremental weighted average effect on exchange of limited partnership units	363	925	448	945
Incremental weighted average effect of equity awards	5,620	5,029	5,139	5,079
Weighted average common shares/partnership units outstanding - Diluted	655,447	554,515	654,766	554,066
Net earnings per share/unit attributable to common stockholders/unitholders -
Basic	$ 0.61	$ 0.63	$ 1.16	$ 1.32
Diluted	$ 0.60	$ 0.62	$ 1.15	$ 1.30
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	$ (5,077)	$ (5,324)	$ (9,683)	$ (11,177)
Adjusted net earnings attributable to common stockholders – Diluted	5,077	5,324	9,683	11,177
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	$ 390,393	$ 339,309	$ 743,408	$ 709,881