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General - Additional Information (Detail)
shares in Millions, $ in Millions
6 Months Ended
Jun. 30, 2018
USD ($)
Segment
shares
Dec. 31, 2017
Ground
Jun. 30, 2017
USD ($)
General [Line Items]      
Number of reportable segments | Segment 2    
Percentage of common limited partnership interest 2.89%    
Capitalized cost | $ $ 10.5   $ 12.4
Number of ground and office space leases | Ground   90  
General Partner | Prologis Limited Partnership [Member]      
General [Line Items]      
Percentage of ownership in operating partnership 97.11%    
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