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Performance period.

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Vesting period for acquired plan.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Long-Term Compensation - Additional Information (Detail) - USD ($) $ in Thousands, shares in Millions	1 Months Ended	12 Months Ended
	Jan. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of employees annual compensation within the statutory compensation limit	12.00%	6.00%
Vesting percentage on defined contribution plan		100.00%
Vesting period for acquired plan		1 year
Compensation cost related to employees contribution plans		$ 5,900	$ 3,000	$ 2,900
Defined Contribution Plan Employer Matching Contribution Percent Of Match		0.50%
Restricted Stock Units (RSUs) [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Remaining compensation cost weighted average period		1 year 3 months 18 days
Grant date fair value of stock awards granted		$ 45,800	46,600
Aggregate fair value		36,000	35,700
Compensation cost		44,900
Long Term Incentive Plan Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Grant date fair value of stock awards granted		105,100	82,600
Aggregate fair value		$ 69,300	41,200
LTIP Units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Remaining compensation cost weighted average period		1 year 4 months 24 days
Compensation cost		$ 128,800
Minimum [Member] \| Restricted Stock Units (RSUs) [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period		4 years
2012 Long Term Incentive Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of common stocks are reserved for issuance		34.2
Securities issued upon options, warrants and rights		4.1
Common stock available for future issuance		23.5
Prologis Out-Performance Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance Period		3 years
Outperformance hurdle, above MSCI U.S. REIT Index		1.00%
Performance pool as percentage of excess value, if outperformance hurdle is met		3.00%
Forfeited awards after seven years		7 years
Initial performance period		3 years
Total remaining compensation cost related to the POP		$ 50,900
Remaining compensation cost weighted average period		3 years 2 months 12 days
Aggregate fair value		$ 28,800	$ 21,200	$ 23,300
Prologis Out-Performance Plan [Member] \| 2016 - 2018 Performance Period [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Cash incentive award maximum		75,000
Prologis Out-Performance Plan [Member] \| 2017 - 2019 Performance Period [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Cash incentive award maximum		$ 75,000
Prologis Out-Performance Plan [Member] \| 2018 - 2020 and Thereafter Performance Periods [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Initial performance period		3 years
Holding period		3 years
Prologis Out-Performance Plan [Member] \| 2018 - 2020 and Thereafter Performance Periods [Member] \| Tranche 1 [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting rights, percentage		20.00%
Prologis Out-Performance Plan [Member] \| 2018 - 2020 and Thereafter Performance Periods [Member] \| Tranche 2 (After Seven Year Cliff) [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period		7 years
Vesting rights, percentage		80.00%
Prologis Out-Performance Plan [Member] \| Minimum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period		3 years
Prologis Out-Performance Plan [Member] \| Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period		10 years
Prologis Out-Performance Plan [Member] \| Maximum [Member] \| 2018 - 2020 and Thereafter Performance Periods [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Cash incentive award maximum		$ 100,000
Prologis Promote Plan [Member] \| Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total compensation pool		40.00%