Taxonomy Viewer

Name	SiteContingencyUnassertedClaims
Namespace	http://fasb.org/us-gaap/2020-01-31
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, Unasserted Claims	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link
Extent to which unasserted claims are reflected in an accrual or may affect the magnitude of the site contingency.	en-US	http://www.xbrl.org/2003/role/documentation	http://www.xbrl.org/2003/role/link

Name	Value	Role
Publisher	FASB	http://fasb.org/us-gaap/role/ref/legacyRef
Name	Accounting Standards Codification	http://fasb.org/us-gaap/role/ref/legacyRef
Topic	410	http://fasb.org/us-gaap/role/ref/legacyRef
SubTopic	30	http://fasb.org/us-gaap/role/ref/legacyRef
Section	50	http://fasb.org/us-gaap/role/ref/legacyRef
Paragraph	10	http://fasb.org/us-gaap/role/ref/legacyRef
Subparagraph	(d)(1),(2)	http://fasb.org/us-gaap/role/ref/legacyRef
URI	http://asc.fasb.org/extlink&oid=6393242&loc=d3e13237-110859	http://fasb.org/us-gaap/role/ref/legacyRef
Publisher	FASB	http://fasb.org/us-gaap/role/ref/legacyRef
Name	Accounting Standards Codification	http://fasb.org/us-gaap/role/ref/legacyRef
Topic	450	http://fasb.org/us-gaap/role/ref/legacyRef
SubTopic	20	http://fasb.org/us-gaap/role/ref/legacyRef
Section	S99	http://fasb.org/us-gaap/role/ref/legacyRef
Paragraph	1	http://fasb.org/us-gaap/role/ref/legacyRef
Subparagraph	(SAB TOPIC 5.Y.Q2)	http://fasb.org/us-gaap/role/ref/legacyRef
URI	http://asc.fasb.org/extlink&oid=27011672&loc=d3e149879-122751	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