Taxonomy Viewer

Name	EnvironmentalExitCostsByCostTextBlock
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
Environmental Exit Costs by Cost [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 Environmental Exit Cost [Table] `us-gaap:ScheduleOfEnvironmentalExitCostTable`	parent-child	http://fasb.org/us-gaap/role/disclosure/EnvironmentalRemediationObligations

	Name	Relation Type	Role
	Table Text Block [Abstract] `us-gaap:TableTextBlock`	parent-child	http://fasb.org/us-gaap/role/disclosure/ComprehensiveTextBlockList
	Environmental Property Sale, Disposal or Abandonment Costs [Abstract] `us-gaap:EnvironmentalPropertySaleDisposalOrAbandonmentCostsAbstract`	parent-child	http://fasb.org/us-gaap/role/disclosure/EnvironmentalRemediationObligations