v2.4.0.6
Variable Interest Entities (VIEs) (Details) (USD $)
In Millions, unless otherwise specified
9 Months Ended
Sep. 30, 2012
Dec. 31, 2011
Freeport GP [Member]
   
Variable Interest Entities (VIEs) (Textual) [Abstract]    
Ownership percentage in joint venture 50.00%  
Freeport LNG [Member]
   
Variable Interest Entities (VIEs) (Textual) [Abstract]    
Long-term agreement with Freeport LNG to use LNG regasification capacity, cubic feet per day 900,000,000  
Loan balance with affiliated company $ 579 $ 612