Guarantees (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2017	Dec. 31, 2016
Guarantees (Textual) [Abstract]
Environmental accruals for known contamination in carrying amount recorded for indemnifications	$ 260	$ 247
Australia Pacific APLNG [Member]
Guarantees (Textual) [Abstract]
Ownership percentage in equity investment	37.50%
Train 1 and Train 2 [Member] \| Australia Pacific APLNG [Member]
Guarantees (Textual) [Abstract]
Maximum potential amount of future payments	$ 10
Terms of guarantees outstanding	1 year
Construction completion guarantee [Member] \| Australia Pacific APLNG [Member]
Guarantees (Textual) [Abstract]
Maximum potential amount of future payments based on current pro-rata share	$ 1,240
Carrying value of the guarantee to third-party lenders	46
Continued development [Member] \| Australia Pacific APLNG [Member]
Guarantees (Textual) [Abstract]
Maximum potential amount of future payments	$ 150
Terms of guarantees outstanding	up to 29 years or the life of the venture
Other Guarantees [Member]
Guarantees (Textual) [Abstract]
Maximum potential amount of future payments	$ 540
Terms of guarantees outstanding	up to six years
Indemnifications [Member]
Guarantees (Textual) [Abstract]
Carrying value of the guarantee to third-party lenders	$ 100
Environmental accruals for known contamination in carrying amount recorded for indemnifications	40
Indemnifications [Member] \| Refinery Supplier [Member]
Guarantees (Textual) [Abstract]
Maximum potential amount of future payments	$ 1,350
Terms of guarantees outstanding	eight years
Carrying value of the guarantee to third-party lenders	$ 98
Carrying value of indemnification asset	98
Guarantee existing sales agreement of natural gas delivery \| Australia Pacific APLNG [Member]
Guarantees (Textual) [Abstract]
Maximum potential amount of future payments	1,000
Maximum potential amount of future payments under the guarantees in the event of intentional or reckless breach	$ 1,760
Terms of guarantees outstanding	up to 25 years
Finance Reserve Guarantee [Member] \| Australia Pacific APLNG [Member]
Guarantees (Textual) [Abstract]
Maximum potential amount of future payments	$ 100
Terms of guarantees outstanding	12 years
Carrying value of the guarantee to third-party lenders	$ 9

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- Definition

Guarantees.

+ References

No definition available.

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee based on pro-rata share of facility usage.

+ References

No definition available.

+ Details

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries, under recourse or collateralization provisions, in the event of intentional or reckless breach.

+ References

No definition available.

+ Details

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- Definition

Total costs accrued as of the balance sheet date for environmental loss contingencies.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 30
-Section 50
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859

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-Publisher FASB
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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
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- Definition

The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 460
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- Definition

Describe the approximate term of the guarantee or each group of similar guarantees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
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