Unconsolidated Entities - Additional Information (Detail) - Prologis, Inc. [Member] $ in Millions	9 Months Ended
Sep. 30, 2020 USD ($)
Schedule Of Equity Method Investments [Line Items]
Remaining equity commitments	$ 336.6
Expiration date for remaining commitments range start	2021
Expiration date for remaining commitments range end	2028

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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