Noncontrolling Interests - Noncontrolling Interest Summary (Detail) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
		Mar. 31, 2021	Dec. 31, 2020
Noncontrolling Interest [Line Items]
Operating Partnership noncontrolling interest		$ 3,473,462	$ 3,483,526
Noncontrolling interests		4,376,686	4,353,033
Total Assets		55,732,809	56,065,005
Total liabilities		19,347,606	19,740,425
Non-controlling Interests [Member]
Noncontrolling Interest [Line Items]
Total Assets		8,681,067	8,729,929
Total liabilities		$ 206,661	$ 219,118
Prologis U S Logistics Venture [Member]
Noncontrolling Interest [Line Items]
Parent Company's Ownership Percentage		55.00%	55.00%
Operating Partnership noncontrolling interest		$ 3,375,502	$ 3,385,110
Total Assets		7,625,390	7,663,800
Total liabilities		$ 134,457	$ 145,131
Other Consolidated Entities [Member]
Noncontrolling Interest [Line Items]
Parent Company's Ownership	[1]	various	various
Operating Partnership noncontrolling interest	[1]	$ 97,960	$ 98,416
Total Assets	[1]	1,055,677	1,066,129
Total liabilities	[1]	72,204	73,987
Prologis, L.P. [Member]
Noncontrolling Interest [Line Items]
Noncontrolling interests		3,473,462	3,483,526
Total Assets		55,732,809	56,065,005
Total liabilities		19,347,606	19,740,425
Prologis, L.P. [Member] | Non-controlling Interests [Member]
Noncontrolling Interest [Line Items]
Limited partners in Prologis, L.P.	[2],[3]	903,224	869,507
Total Assets	[2],[3]	0	0
Total liabilities	[2],[3]	0	0
Prologis, Inc. [Member]
Noncontrolling Interest [Line Items]
Total Assets		8,681,067	8,729,929
Total liabilities		206,661	219,118
Prologis, Inc. [Member] | Non-controlling Interests [Member]
Noncontrolling Interest [Line Items]
Noncontrolling interests		$ 4,376,686	$ 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 March 31, 2021 and December 31, 2020 were exchangeable into cash or, at our option, 0.3 million shares of the Parent’s common stock.

[2] At March 31, 2021 and December 31, 2020, excluding the Class A Units, there were limited partnership units in the OP that were exchangeable into cash or, at our option, 8.2 million shares of the Parent’s common stock. Also included were the vested OP Long-Term Incentive Plan Units (“LTIP Units”) associated with our long-term compensation plan of 4.7 million at March 31, 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 March 31, 2021 and December 31, 2020.