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Financial Instruments - Narrative (Details) - Oil	Dec. 31, 2018 liquefiedNaturalGasTons $ / barrel
Derivative [Line Items]
Derivative floor price (in usd per barrel) | $ / barrel	60.00
Tons of liquefied natural gas	1,000,000
Tons of liquefied natural gas linked to TTF index	200,000

X

- Definition

Tons Of Liquefied Natural Gas

+ References

No definition available.

+ Details

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- Definition

Tons Of Liquefied Natural Gas Linked To TTF Index

+ References

No definition available.

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X

- Definition

Floor rate on a price risk derivative such as a floor or a collar. A payment or receipt is triggered if the market rate falls below the floor rate on the contract.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480237/815-40-50-5

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