Partners' Capital of Prologis, L.P. - Additional Information (Detail) - $ / shares shares in Millions		12 Months Ended
	Feb. 04, 2020	Dec. 31, 2021	Dec. 31, 2020		Dec. 31, 2019	Dec. 31, 2015
Shareholders Equity [Line Items]
Distributions paid		$ 2.52	$ 2.32	[1]	$ 2.12
Common Units [Member]
Shareholders Equity [Line Items]
Issuance of units related to acquisitions, units		1.0	0.5
Dividends per share entitled, issued in acquisition						$ 0.40
Common Units [Member] | Liberty Transaction [Member]
Shareholders Equity [Line Items]
Issuance of units related to acquisitions, units	2.3
Class A Common [Member]
Shareholders Equity [Line Items]
Dividends per share entitled, issued in acquisition						$ 0.64665
Distributions paid		$ 2.58660	$ 2.58660		$ 2.58660
Class A units convertible into common limited partnership units		8.0	8.0
Limited partnership unit, redemption price per share		$ 43.11

[1] Taxability for 2021 is estimated.