Real Estate - Summary of Dispositions of Net Investments in Real Estate (Parenthetical) (Detail) - Unconsolidated Co-Investment Ventures [Member] ft² in Millions	1 Months Ended
	Jan. 31, 2019 ft² a Property	Mar. 31, 2020 Property	Dec. 31, 2019 Property
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of operating properties contributed		1,799	1,694
Prologis Brazil Logistics Venture [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of operating properties contributed	14
Square feet | ft²	6.9
Ownership percentage in property fund	20.00%	20.00%
Prologis Brazil Logistics Venture [Member] | Land [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Square feet | a	371