Noncontrolling Interests - Noncontrolling Interest Summary (Detail) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018
Noncontrolling Interest [Line Items]
Operating Partnership noncontrolling interest		$ 2,775,394	$ 2,836,469
Noncontrolling interests		3,418,657	3,502,795
Total Assets		40,031,850	38,417,664
Total Liabilities		13,960,066	12,616,776
Noncontrolling Interests [Member]
Noncontrolling Interest [Line Items]
Total Assets		6,926,636	7,117,289
Total Liabilities		$ 184,583	$ 145,927
Prologis U S Logistics Venture
Noncontrolling Interest [Line Items]
Parent Company's Ownership Percentage		55.00%	55.00%
Operating Partnership noncontrolling interest		$ 2,677,846	$ 2,697,095
Total Assets		6,077,016	6,072,087
Total Liabilities		$ 99,397	$ 92,782
Other Consolidated Entities [Member]
Noncontrolling Interest [Line Items]
Parent Company's Ownership	[1]	various	various
Operating Partnership noncontrolling interest	[1]	$ 97,548	$ 139,374
Total Assets	[1]	849,620	1,045,202
Total Liabilities	[1]	85,186	53,145
Prologis, L.P. [Member]
Noncontrolling Interest [Line Items]
Noncontrolling interests		2,775,394	2,836,469
Total Assets		40,031,850	38,417,664
Total Liabilities		13,960,066	12,616,776
Prologis, L.P. [Member] | Noncontrolling Interests [Member]
Noncontrolling Interest [Line Items]
Limited partners in Prologis, L.P.	[2],[3]	643,263	666,326
Total Assets	[2],[3]	0	0
Total Liabilities	[2],[3]	0	0
Prologis, Inc. [Member]
Noncontrolling Interest [Line Items]
Total Assets		6,926,636	7,117,289
Total Liabilities		184,583	145,927
Prologis, Inc. [Member] | Noncontrolling Interests [Member]
Noncontrolling Interest [Line Items]
Noncontrolling interests		$ 3,418,657	$ 3,502,795

[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 December 31, 2019 and 2018 were exchangeable into cash or, at our option, 0.3 million and 0.7 million shares of the Parent’s common stock, respectively.

[2] At December 31, 2019 and 2018, excluding the Class A Units, there were limited partnership units in the OP that were exchangeable into cash or, at our option, 6.2 million and 7.2 million shares of the Parent’s common stock, respectively. Also included are the vested OP Long-Term Incentive Plan Units associated with our long-term compensation plans. See further discussion of Long-Term Incentive Plan Units in Note 12.

[3] We had 8.6 million and 8.8 million Class A Units that were convertible into 8.1 million and 8.4 million limited partnership units of the OP at December 31, 2019 and 2018, respectively.