Stockholders' Equity of Prologis Inc. - Additional Information (Detail) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2020 USD ($) Agent $ / shares shares	Apr. 30, 2020 shares	Mar. 31, 2020 shares
Shareholders Equity [Line Items]
Aggregate price of shares repurchased and retired | $	$ 34,829
At the Market Offering [Member]
Shareholders Equity [Line Items]
Maximum proceeds from sale of stock | $	$ 1,500,000
Agents fee percentage	2.00%
Number of designated agents | Agent	20
Equity issued	0
Common Stock [Member]
Shareholders Equity [Line Items]
Repurchase and retire of common stock shares	539,000
Aggregate price of shares repurchased and retired | $	$ 5
Weighted average purchase price | $ / shares	$ 64.66
Common Stock [Member] | Maximum [Member]
Shareholders Equity [Line Items]
Aggregate purchase price of common stock			1,000,000,000.0
Common stock, shares authorized		2,000,000,000.0
Common Stock [Member] | Minimum [Member]
Shareholders Equity [Line Items]
Common stock, shares authorized		1,000,000,000.0