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, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Net earnings attributable to common stockholders/unit holders - Basic	$ 275,383	$ 140,240	$ 483,424	$ 485,446
Net earnings attributable to exchangeable limited partnership units	9,085	1,623	15,694	3,273
Gains, net of expenses, associated with exchangeable debt assumed exchanged	0	0	0	(1,614)
Adjusted net earnings attributable to common stockholders – Diluted	$ 284,468	$ 141,863	$ 499,118	$ 487,105
Weighted average common shares/units outstanding – Basic	524,842	523,476	524,540	518,791
Incremental weighted average effect on exchange of limited partnership units	17,703	5,431	17,623	4,617
Incremental weighted average effect of equity awards	2,843	1,733	2,130	2,037
Incremental weighted average effect on exchangeable debt assumed exchanged	0	0	0	4,382
Weighted average common shares/partnership units outstanding - Diluted	545,388	530,640	544,293	529,827
Net earnings per share/unit attributable to common stockholders/unitholders -
Basic	$ 0.52	$ 0.27	$ 0.92	$ 0.94
Diluted	$ 0.52	$ 0.27	$ 0.92	$ 0.92
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	$ 283,699	$ 141,538	$ 497,974	$ 488,026
Net earnings attributable to exchangeable limited partnership units	768	325	1,143	693
Gains, net of expenses, associated with exchangeable debt assumed exchanged	0	0	0	(1,614)
Adjusted net earnings attributable to common stockholders – Diluted	$ 284,467	$ 141,863	$ 499,117	$ 487,105
Weighted average common shares/units outstanding – Basic	531,912	527,071	531,507	521,548
Incremental weighted average effect on exchange of limited partnership units	1,835	1,836	1,835	1,860
Incremental weighted average effect of equity awards	2,843	1,733	2,130	2,037
Incremental weighted average effect on exchangeable debt assumed exchanged	0	0	0	4,382
Weighted average common shares/partnership units outstanding - Diluted	545,388	530,640	544,293	529,827
Net earnings per share/unit attributable to common stockholders/unitholders -
Basic	$ 0.52	$ 0.27	$ 0.92	$ 0.94
Diluted	$ 0.52	$ 0.27	$ 0.92	$ 0.92
Incremental weighted average effect on exchange of Class A convertible units	8,798	0	8,821	0
Prologis, L.P. [Member] | Class A Capital [Member]
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Net earnings attributable to common stockholders/unit holders - Basic	$ 4,619	$ 0	$ 8,129	$ 0
Adjusted net earnings attributable to common stockholders – Diluted	4,619	0	8,129	0
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	$ 279,080	$ 141,538	$ 489,845	$ 488,026