Taxonomy Viewer

Name	SiteContingencyIndicationAccrualMayChange
Namespace	http://fasb.org/us-gaap/2021-01-31
Prefix	us-gaap
Data type	xbrli:stringItemType
Period type	duration
Substitution Group	xbrli:item
Balance	None
Nillable	True
Abstract	False

Text	Lang	Role	Container role
Site Contingency, Indication Accrual May Change	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link
Disclosure that it is reasonably possible that a change in an estimate of the obligation will occur in the near term when information available prior to issuance of the financial statements indicates that it is at least reasonably possible that the site accrual estimate will change due to one or more future confirming events.	en-US	http://www.xbrl.org/2003/role/documentation	http://www.xbrl.org/2003/role/link

Name	Value	Role
elementCreationTaxonomyVersion	2008	http://fasb.org/us-gaap/role/tin/taxonomyImplementationNote
Publisher	FASB	http://fasb.org/us-gaap/role/ref/legacyRef
Name	Accounting Standards Codification	http://fasb.org/us-gaap/role/ref/legacyRef
Topic	275	http://fasb.org/us-gaap/role/ref/legacyRef
SubTopic	10	http://fasb.org/us-gaap/role/ref/legacyRef
Section	50	http://fasb.org/us-gaap/role/ref/legacyRef
Paragraph	6	http://fasb.org/us-gaap/role/ref/legacyRef
URI	http://asc.fasb.org/extlink&oid=99393423&loc=d3e6093-108592	http://fasb.org/us-gaap/role/ref/legacyRef

	Name	Relation Type	Role
	Site Contingency [Line Items] `us-gaap:SiteContingencyLineItems`	parent-child	http://fasb.org/us-gaap/role/disclosure/EnvironmentalRemediationObligations
	Site Contingency [Line Items] `us-gaap:SiteContingencyLineItems`	domain-member	http://fasb.org/us-gaap/role/disclosure/EnvironmentalRemediationObligationsSiteContingencyTable