Taxonomy Viewer

Name	OilAndGasQuantitiesReceivedUnderLongTermSupplyAgreementsWithGovernmentsOrAuthorities
Namespace	http://fasb.org/srt/2020-01-31
Prefix	srt
Data type	num:volumeItemType
Period type	duration
Substitution Group	xbrli:item
Balance	None
Nillable	True
Abstract	False

Text	Lang	Role	Container role
Oil and Gas Quantities Received under Long-term Supply Agreements with Governments or Authorities	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link
The net quantity of oil and/or gas received under long-term supply, purchase, or similar agreements and contracts, including such agreements with governments or authorities, as of the end of the period if the enterprise participates in the operation of the properties in which the oil or gas is located or otherwise serves as the "producer" of those reserves, as opposed, for example, to being an independent purchaser, broker, dealer or importer.	en-US	http://www.xbrl.org/2003/role/documentation	http://www.xbrl.org/2003/role/link

Name	Value	Role
Publisher	SEC	http://www.xbrl.org/2003/role/disclosureRef
Name	Form 20-F	http://www.xbrl.org/2003/role/disclosureRef
Section	Item 18	http://www.xbrl.org/2003/role/disclosureRef
Subsection	Instruction 2	http://www.xbrl.org/2003/role/disclosureRef

	Name	Relation Type	Role
	Long-term Supply Agreements with Governments or Authorities [Abstract] `srt:LongTermSupplyAgreementsWithGovernmentsOrAuthoritiesAbstract`	parent-child	http://fasb.org/srt/role/disclosure/ExtractiveIndustries
	Long-term Supply Agreements with Governments or Authorities [Abstract] `srt:LongTermSupplyAgreementsWithGovernmentsOrAuthoritiesAbstract`	domain-member	http://fasb.org/srt/role/disclosure/ExtractiveIndustriesProvedDevelopedAndUndevelopedOilAndGasReserveQuantitiesTable