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General - Additional Information (Detail)
shares in Millions, $ in Millions
3 Months Ended
Mar. 31, 2019
USD ($)
Segment
shares
Mar. 31, 2018
USD ($)
General [Line Items]    
Number of reportable segments | Segment 2  
Rental revenues   $ 427.9
Rental recoveries   128.0
Rental Expense [Member]    
General [Line Items]    
Capitalized cost $ 6.5  
Other Assets [Member]    
General [Line Items]    
Capitalized cost   $ 5.4
Unaffiliated Investors and Certain Current and Former Directors and Officers [Member]    
General [Line Items]    
Percentage of common limited partnership interest 3.01%  
General Partner | Prologis Limited Partnership [Member]    
General [Line Items]    
Percentage of ownership in operating partnership 96.99%  
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 8.8