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, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Summary Of Computation Of Basic And Diluted Earnings Per Share [Line Items]
Net earnings attributable to common stockholders/unit holders - Basic	$ 440,539	$ 279,255	$ 275,383	$ 208,041	$ 118,363	$ 258,979	$ 140,240	$ 345,206	$ 1,203,218	$ 862,788	$ 622,235
Net earnings attributable to exchangeable limited partnership units									37,079	13,120	3,636
Gains, net of expenses, associated with exchangeable debt assumed exchanged									0	(1,614)	0
Adjusted net earnings attributable to common stockholders – Diluted									$ 1,240,297	$ 874,294	$ 625,871
Weighted average common shares/units outstanding – Basic									526,103	521,241	499,583
Incremental weighted average effect on exchange of limited partnership units									16,833	8,569	3,501
Incremental weighted average effect of equity awards and warrant									3,730	1,961	3,307
Incremental weighted average effect on exchangeable debt assumed exchanged									0	2,173	0
Weighted average common shares/partnership units outstanding - Diluted									546,666	533,944	506,391
Net earnings per share/unit attributable to common stockholders/unitholders -
Basic	$ 0.83	$ 0.53	$ 0.52	$ 0.40	$ 0.23	$ 0.49	$ 0.27	$ 0.67	$ 2.29	$ 1.66	$ 1.25
Diluted	$ 0.82	$ 0.52	$ 0.52	$ 0.39	$ 0.23	$ 0.49	$ 0.27	$ 0.65	$ 2.27	$ 1.64	$ 1.24
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									$ 1,237,519	$ 873,914	$ 624,436
Net earnings attributable to exchangeable limited partnership units									2,778	1,994	1,435
Gains, net of expenses, associated with exchangeable debt assumed exchanged									0	(1,614)	0
Adjusted net earnings attributable to common stockholders – Diluted									$ 1,240,297	$ 874,294	$ 625,871
Weighted average common shares/units outstanding – Basic									532,326	525,912	501,349
Incremental weighted average effect on exchange of Class A convertible units									8,775	2,050	0
Incremental weighted average effect on exchange of limited partnership units									1,835	1,848	1,735
Incremental weighted average effect of equity awards and warrant									3,730	1,961	3,307
Incremental weighted average effect on exchangeable debt assumed exchanged									0	2,173	0
Weighted average common shares/partnership units outstanding - Diluted									546,666	533,944	506,391
Net earnings per share/unit attributable to common stockholders/unitholders -
Basic									$ 2.29	$ 1.66	$ 1.25
Diluted									$ 2.27	$ 1.64	$ 1.24
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									$ (20,069)	$ (3,393)	$ 0
Adjusted net earnings attributable to common stockholders – Diluted									20,069	3,393	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									$ 1,217,450	$ 870,521	$ 624,436