Noncontrolling Interests - Noncontrolling Interest Summary (Parenthetical) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Noncontrolling Interest [Line Items]
Outstanding limited partnership units, redeemed		52,000
Outstanding limited partnership redemption value		$ 3,200
Business acquisition, common limited partnership units issued	4,600,000	6,400,000
Fair value of outstanding limited partnership units	$ 241,800	$ 275,000
KTR Capital Partners and Affiliates [Member]
Noncontrolling Interest [Line Items]
Business acquisition, common limited partnership units issued	0	4,700,000
LTIP Units [Member]
Noncontrolling Interest [Line Items]
Number of units outstanding	2,200,000	1,200,000
Class A Common [Member]
Noncontrolling Interest [Line Items]
Units outstanding	8,900,000	8,900,000
Conversion and exchange of units to shares	8,700,000	8,800,000
Common Stock [Member]
Noncontrolling Interest [Line Items]
Outstanding limited partnership units	1,800	1,800
Prologis Brazil Logistics Partners Fund I [Member]
Noncontrolling Interest [Line Items]
Investments in unconsolidated entities	$ 113,100	$ 103,100
Prologis, L.P. [Member] | Class A Common [Member] | Limited Partners [Member]
Noncontrolling Interest [Line Items]
Units outstanding	8,894,000	8,894,000
Prologis, L.P. [Member] | Common [Member] | Limited Partners [Member]
Noncontrolling Interest [Line Items]
Units outstanding	5,323,000	6,711,000	1,767,000	1,767,000
Conversion and exchange of units to shares	(1,877,000)
Conversion of limited partners units, value	$ (52,256)