Unconsolidated Entities - Information About Investments in Co-investment Ventures by Property Funds (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Investment in and Advances to unconsolidated investees	$ 4,755,620	$ 4,824,724
Unconsolidated Co-investment Ventures [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Ownership Percentage in property fund	0.00%	0.00%
Investment in and Advances to unconsolidated investees	$ 4,585,427	$ 4,665,918
Prologis Targeted U.S. Logistics Fund [Member] \| Unconsolidated Co-investment Ventures [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Ownership Percentage in property fund	22.50%	24.30%
Investment in and Advances to unconsolidated investees	$ 689,408	$ 712,044
Fibra Prologis [Member] \| Unconsolidated Co-investment Ventures [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Ownership Percentage in property fund	45.90%	45.90%
Investment in and Advances to unconsolidated investees	$ 569,800	$ 589,627
Prologis Brazil Logistics Partners Fund and Related Joint Ventures [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Ownership Percentage in property fund	50.00%
Prologis Brazil Logistics Partners Fund and Related Joint Ventures [Member] \| Unconsolidated Co-investment Ventures [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Ownership Percentage in property fund	0.00%	0.00%
Investment in and Advances to unconsolidated investees	$ 216,668	$ 235,496
Prologis Europe Logistics Fund FCP-FIS [Member] \| Unconsolidated Co-investment Ventures [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Ownership Percentage in property fund	41.60%	43.20%
Investment in and Advances to unconsolidated investees	$ 480,401	$ 458,702
Prologis European Properties Fund II [Member] \| Unconsolidated Co-investment Ventures [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Ownership Percentage in property fund	31.30%	31.10%
Investment in and Advances to unconsolidated investees	$ 410,984	$ 488,503
Europe Logistics Venture 1 [Member] \| Unconsolidated Co-investment Ventures [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Ownership Percentage in property fund	15.00%	15.00%
Investment in and Advances to unconsolidated investees	$ 53,960	$ 56,127
Prologis European Logistics Partners [Member] \| Unconsolidated Co-investment Ventures [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Ownership Percentage in property fund	50.00%	50.00%
Investment in and Advances to unconsolidated investees	$ 1,762,291	$ 1,769,720
Nippon Prologis REIT Inc [Member] \| Unconsolidated Co-investment Ventures [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Ownership Percentage in property fund	15.10%	15.10%
Investment in and Advances to unconsolidated investees	$ 300,822	$ 303,178
Prologis China Logistics Venture 1 and 2 [Member] \| Unconsolidated Co-investment Ventures [Member]
Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]
Ownership Percentage in property fund	15.00%	15.00%
Investment in and Advances to unconsolidated investees	$ 101,093	$ 52,521

Schedule of Variable Interest Entities for Loans to Commercial Borrowers [Line Items]

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

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Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.12)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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