Unconsolidated Entities - Additional Information (Detail) - Prologis, Inc. [Member] $ in Millions	12 Months Ended
Dec. 31, 2020 USD ($)
Schedule Of Equity Method Investments [Line Items]
Outstanding equity commitments	$ 346.2
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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