Taxonomy Viewer

Name	ScheduleOfAgingOfCapitalizedExploratoryWellCostsTextBlock
Namespace	http://fasb.org/us-gaap/2020-01-31
Prefix	us-gaap
Data type	nonnum:textBlockItemType
Period type	duration
Substitution Group	xbrli:item
Balance	None
Nillable	True
Abstract	False

Text	Lang	Role	Container role
Schedule of Aging of Capitalized Exploratory Well Costs [Table Text Block]	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link

	Name	Relation Type	Role
	Schedule of Projects with Exploratory Well Costs Capitalized for More than One Year [Table Text Block] `us-gaap:ScheduleOfProjectsWithExploratoryWellCostsCapitalizedForMoreThanOneYearTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries
	Capitalized Exploratory Well Costs [Abstract] `us-gaap:CapitalizedExploratoryWellCostsAbstract`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries

	Name	Relation Type	Role
	Table Text Block [Abstract] `us-gaap:TableTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
	Suspended Well Costs Disclosure [Text Block] `us-gaap:SuspendedWellCostsDisclosureTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ExtractiveIndustries