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Guarantees (Details) (USD $)
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9 Months Ended | 9 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|
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Sep. 30, 2012
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Dec. 31, 2011
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Sep. 30, 2012
Australia Pacific LNG [Member]
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Sep. 30, 2012
APLNG Construction Completion Guarantee [Member]
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Sep. 30, 2012
APLNG Continued Development [Member]
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Sep. 30, 2012
APLNG Train 1 [Member]
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Sep. 30, 2012
Guarantees of Joint Venture Debt [Member]
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Sep. 30, 2012
Other Guarantees [Member]
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Sep. 30, 2012
Indemnifications [Member]
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| 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 | ||||||||