Liberty Transaction - Additional Information (Detail) - Liberty Transaction [Member] ft² in Millions, $ in Millions	Feb. 04, 2020 USD ($) ft² Property Venture
Business Acquisition [Line Items]
Business acquisition, date of acquisition agreement	Feb. 04, 2020
Business acquisition consideration transferred	$ 13,000.0
Fair value of Prologis shares and units issued	10,015.0
Business acquisition, assumption of debt	$ 2,800.0
Business acquisition stock conversion ratio	0.675
Number of operating properties acquired \| Property	519
Square feet of properties \| ft²	99.6
Non-Strategic Industrial Properties [Member]
Business Acquisition [Line Items]
Square feet of properties \| ft²	34.0
Other Ventures [Member]
Business Acquisition [Line Items]
Number of ventures that own industrial and office properties in which ownership interest is acquired \| Venture	8
Transaction costs	$ 115.8

Business acquisition stock conversion ratio.

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Number of ventures that own industrial and office properties in which ownership interest is acquired.

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Area of a real estate property.

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Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

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Date when the business acquisition agreement was executed, in CCYY-MM-DD format.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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The number of real estate properties owned as of the balance sheet date.

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