Noncontrolling Interests - Noncontrolling Interest Summary (Detail) - USD ($) $ in Thousands		9 Months Ended	12 Months Ended
		Sep. 30, 2021	Dec. 31, 2020
Minority Interest [Line Items]
Total Assets		$ 57,016,670	$ 56,065,005
Operating Partnership noncontrolling interest		3,335,787	3,483,526
Operating Partnership noncontrolling interest		4,251,357	4,353,033
Total Liabilities		20,259,196	19,740,425
Noncontrolling Interests [Member]
Minority Interest [Line Items]
Total Assets		8,668,210	8,729,929
Total Liabilities		$ 328,690	$ 219,118
Prologis U S Logistics Venture [Member]
Minority Interest [Line Items]
Parent Company's Ownership Percentage		55.00%	55.00%
Total Assets		$ 7,272,631	$ 7,663,800
Operating Partnership noncontrolling interest		3,204,673	3,385,110
Total Liabilities		$ 159,883	$ 145,131
Other Consolidated Entities [Member]
Minority Interest [Line Items]
Parent Company's Ownership	[1]	0	0
Total Assets	[1]	$ 1,395,579	$ 1,066,129
Operating Partnership noncontrolling interest	[1]	131,114	98,416
Total Liabilities	[1]	168,807	73,987
Prologis, L.P. [Member]
Minority Interest [Line Items]
Total Assets		57,016,670	56,065,005
Operating Partnership noncontrolling interest		3,335,787	3,483,526
Total Liabilities		20,259,196	19,740,425
Prologis, L.P. [Member] | Noncontrolling Interests [Member]
Minority Interest [Line Items]
Limited partners in Prologis, L.P.	[2],[3]	915,570	869,507
Total Assets	[2],[3]	0	0
Total Liabilities	[2],[3]	0	0
Prologis, Inc. [Member]
Minority Interest [Line Items]
Total Assets		8,668,210	8,729,929
Total Liabilities		328,690	219,118
Prologis, Inc. [Member] | Noncontrolling Interests [Member]
Minority Interest [Line Items]
Operating Partnership noncontrolling interest		$ 4,251,357	$ 4,353,033

[1] Includes our two partnerships that have issued limited partnership units to third parties, as discussed above, along with various other consolidated entities. The limited partnership units outstanding at September 30, 2021 and December 31, 2020 were exchangeable into cash or, at our option, 0.3 million shares of the Parent’s common stock.

[2] There were limited partnership units in the OP, excluding the Class A Units, that were exchangeable into cash or, at our option, 8.9 million and 8.2 million shares of the Parent’s common stock at September 30, 2021 and December 31, 2020, respectively. We issued 1.0 million limited partnership units to our partner as partial consideration for the acquisition of additional ownership interest in an unconsolidated other venture in 2021. Also included are the vested OP Long-Term Incentive Plan Units (“LTIP Units”) associated with our long-term compensation plan of 4.0 million at September 30, 2021 and 3.9 million at December 31, 2020. See further discussion of LTIP Units in Note 8.

[3] We had 8.6 million Class A Units that were convertible into 8.0 million limited partnership units of the OP at September 30, 2021 and December 31, 2020.