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General - Additional Information (Detail)
shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2018
USD ($)
Sep. 30, 2019
Segment
shares
Sep. 30, 2018
USD ($)
General [Line Items]      
Number of reportable segments | Segment   2  
Rental revenue $ 476.8   $ 1,300.0
Rental recoveries 132.1   378.3
Other Assets [Member]      
General [Line Items]      
Capitalized cost $ 5.2   $ 15.7
Unaffiliated Investors and Certain Current and Former Directors and Officers [Member]      
General [Line Items]      
Percentage of common limited partnership interest   2.78%  
General Partner | Prologis Limited Partnership [Member]      
General [Line Items]      
Percentage of ownership in operating partnership   97.22%  
Preferred [Member] | Prologis Limited Partnership [Member]      
General [Line Items]      
Percentage of ownership in operating partnership   100.00%  
Class A Common [Member]      
General [Line Items]      
Class of common limited partnership units designated as class A common units | shares   8.6