v2.4.0.6
Variable Interest Entities (VIEs) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Freeport GP [Member]
Mar. 31, 2013
Freeport LNG [Member]
Dec. 31, 2012
Freeport LNG [Member]
Variable Interest Entities (VIEs) (Textual) [Abstract]      
Ownership percentage in joint venture 50.00%    
Long-term agreement with Freeport LNG to use LNG regasification capacity, cubic feet per day 900,000,000    
Loan balance with affiliated company   $ 551 $ 565
Prepaid balance of terminal use agreement   $ 244