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Guarantees (Details) (USD $)
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3 Months Ended | 3 Months Ended | ||||||
|---|---|---|---|---|---|---|---|---|
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Mar. 31, 2013
|
Dec. 31, 2012
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Mar. 31, 2013
Australia Pacific APLNG [Member]
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Mar. 31, 2013
Train 1 and Train 2 [Member]
Australia Pacific APLNG [Member]
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Mar. 31, 2013
Construction completion guarantee [Member]
Australia Pacific APLNG [Member]
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Mar. 31, 2013
Continued development [Member]
Australia Pacific APLNG [Member]
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Mar. 31, 2013
Other Guarantees [Member]
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Mar. 31, 2013
Indemnifications [Member]
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| Guarantees (Textual) [Abstract] | ||||||||
| Ownership percentage in joint venture | 37.50% | |||||||
| Maximum potential amount of future payments | $ 1,000,000,000 | $ 110,000,000 | $ 3,200,000,000 | $ 180,000,000 | $ 280,000,000 | |||
| Maximum potential amount of future payments under the guarantees in the event of intentional or reckless breach | 2,400,000,000 | |||||||
| Maximum potential amount of future payments based on current pro-rata share | 1,700,000,000 | |||||||
| Terms of guarantees outstanding | 4 to 19 years | 4 years | up to 33 years or the life of the venture | up to 11 years or the 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 | $ 350,000,000 | $ 364,000,000 | $ 50,000,000 | |||||
| Number Of Joint Ventures Backed By Guarantee | 2 | |||||||