v2.4.0.6
Unconsolidated Investees (Details 3) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2011
Prologis [Member]
 
Summary of remaining equity commitments  
Remaining equity commitments $ 175.1
Fund partner [Member]
 
Summary of remaining equity commitments  
Remaining equity commitments 951.1
Prologis SGP Mexico Fund [Member] | Prologis [Member]
 
Summary of remaining equity commitments  
Remaining equity commitments 24.6
Prologis SGP Mexico Fund [Member] | Fund partner [Member]
 
Summary of remaining equity commitments  
Remaining equity commitments 98.1
Prologis Europe Logistics Fund [Member] | Prologis [Member]
 
Summary of remaining equity commitments  
Remaining equity commitments 79.5
Prologis Europe Logistics Fund [Member] | Fund partner [Member]
 
Summary of remaining equity commitments  
Remaining equity commitments 450.9
Prologis China Logistics Venture I [Member] | Prologis [Member]
 
Summary of remaining equity commitments  
Remaining equity commitments 71.0
Prologis China Logistics Venture I [Member] | Fund partner [Member]
 
Summary of remaining equity commitments  
Remaining equity commitments $ 402.1