Unconsolidated Entities - Information About Investments in Co-investment Ventures by Property Funds (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Schedule Of Equity Method Investments [Line Items]
Investment in and Advances to unconsolidated investees	$ 6,237,371	$ 5,745,294
Unconsolidated Co-Investment Ventures [Member]
Schedule Of Equity Method Investments [Line Items]
Investment in and Advances to unconsolidated investees	$ 5,873,784	$ 5,407,838
Prologis Targeted U S Logistics Fund [Member] \| Unconsolidated Co-Investment Ventures [Member]
Schedule Of Equity Method Investments [Line Items]
Ownership percentage in property fund	27.30%	27.40%
Investment in and Advances to unconsolidated investees	$ 1,728,043	$ 1,456,427
FIBRA Prologis [Member] \| Unconsolidated Co-Investment Ventures [Member]
Schedule Of Equity Method Investments [Line Items]
Ownership percentage in property fund	47.10%	46.70%
Investment in and Advances to unconsolidated investees	$ 517,347	$ 536,377
Prologis European Logistics Partners \| Unconsolidated Co-Investment Ventures [Member]
Schedule Of Equity Method Investments [Line Items]
Ownership percentage in property fund	50.00%	50.00%
Investment in and Advances to unconsolidated investees	$ 1,595,331	$ 1,517,115
Prologis European Logistics Fund [Member] \| Unconsolidated Co-Investment Ventures [Member]
Schedule Of Equity Method Investments [Line Items]
Ownership percentage in property fund	24.10%	27.90%
Investment in and Advances to unconsolidated investees	$ 1,144,831	$ 1,198,904
Prologis China Core Logistics Fund, LP [Member] \| Unconsolidated Co-Investment Ventures [Member]
Schedule Of Equity Method Investments [Line Items]
Ownership percentage in property fund	15.60%	0.00%
Investment in and Advances to unconsolidated investees	$ 59,984	$ 0
Nippon Prologis REIT Inc [Member] \| Unconsolidated Co-Investment Ventures [Member]
Schedule Of Equity Method Investments [Line Items]
Ownership percentage in property fund	15.10%	15.10%
Investment in and Advances to unconsolidated investees	$ 544,333	$ 472,035
Prologis China Logistics Venture [Member] \| Unconsolidated Co-Investment Ventures [Member]
Schedule Of Equity Method Investments [Line Items]
Ownership percentage in property fund	15.00%	15.00%
Investment in and Advances to unconsolidated investees	$ 83,285	$ 141,071
Prologis UK Logistics Venture [Member] \| Unconsolidated Co-Investment Ventures [Member]
Schedule Of Equity Method Investments [Line Items]
Ownership percentage in property fund	15.00%	15.00%
Investment in and Advances to unconsolidated investees	$ 59,937	$ 68,002
Prologis Brazil Logistics Venture and other joint ventures [Member]
Schedule Of Equity Method Investments [Line Items]
Ownership percentage in property fund	10.00%
Prologis Brazil Logistics Venture and other joint ventures [Member] \| Unconsolidated Co-Investment Ventures [Member]
Schedule Of Equity Method Investments [Line Items]
Ownership percentage in property fund	20.00%	10.00%
Investment in and Advances to unconsolidated investees	$ 140,693	$ 17,907

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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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