Real Estate - Summary of Acquisition (Detail) ft² in Thousands, $ in Thousands		12 Months Ended
		Dec. 31, 2021 USD ($) ft² a Property	[1]	Dec. 31, 2020 USD ($) ft² a Property	[2]	Dec. 31, 2019 USD ($) ft² a Property
Business Acquisition [Line Items]
Number of operating properties | Property		31		150		22
Square feet | ft²		6,760		21,874		1,405
Acquisition cost of net investments in real estate, excluding land	[3]	$ 1,590,457		$ 2,820,692		$ 633,923
Acquisition cost of land		$ 1,452,686		$ 439,773		$ 440,892
Acquisitions of Properties from Third Parties [Member] | Land [Member]
Business Acquisition [Line Items]
Acres of land | a		2,684		830		1,269

[1] In 2021, we acquired additional ownership interest in unconsolidated other ventures from our partners and began consolidating the real estate assets.

[2] On January 8, 2020, our two U.S. co-investment ventures, Prologis Targeted U.S. Logistics Fund, L.P. (“USLF”) and Prologis U.S. Logistics Venture, LLC (“USLV”), acquired the wholly-owned real estate assets of Industrial Property Trust Inc. (“IPT”) for $2.0 billion each in a cash transaction, including transaction costs and the assumption and repayment of debt (the “IPT Transaction”). As we consolidate USLV, the number of operating properties, square feet and acquisition cost for the properties acquired by USLV are included in the consolidated acquisition activity.

[3] The acquisition cost of net investments in real estate includes other real estate investments of $525.5 million, $206.1 million and $302.9 million during the years ended December 31, 2021, 2020 and 2019, respectively. Other real estate investments are not included in the number of operating properties and square feet