v2.4.0.6
Guarantees (Details) (USD $)
9 Months Ended 9 Months Ended
Sep. 30, 2012
Dec. 31, 2011
Sep. 30, 2012
Australia Pacific LNG [Member]
Sep. 30, 2012
APLNG Construction Completion Guarantee [Member]
Sep. 30, 2012
APLNG Continued Development [Member]
Sep. 30, 2012
APLNG Train 1 [Member]
Sep. 30, 2012
Guarantees of Joint Venture Debt [Member]
Sep. 30, 2012
Other Guarantees [Member]
Sep. 30, 2012
Indemnifications [Member]
Guarantees (Textual) [Abstract]                  
Ownership percentage in joint venture     37.50%            
Maximum potential amount of future payments     $ 1,100,000,000 $ 3,200,000,000 $ 110,000,000 $ 120,000,000 $ 70,000,000 $ 380,000,000  
Maximum potential amount of future payments under the guarantees in the event of intentional or reckless breach     2,600,000,000            
Maximum potential amount of future payments based on current pro-rata share       0          
Terms of guarantees outstanding     4 to 19 years       up to 24 years up to 12 years or life of the venture  
Carrying value of the guarantee to third-party lenders       114,000,000         70,000,000
Environmental accruals for known contamination in carrying amount recorded for indemnifications $ 380,000,000 $ 922,000,000             $ 60,000,000
Number Of Joint Ventures Backed By Guarantee               2