Taxonomy Viewer

Name	RecordedThirdPartyEnvironmentalRecoveriesDiscountRate
Namespace	http://fasb.org/us-gaap/2020-01-31
Prefix	us-gaap
Data type	num:percentItemType
Period type	instant
Substitution Group	xbrli:item
Balance	None
Nillable	True
Abstract	False

Text	Lang	Role	Container role
Recorded Third-Party Environmental Recoveries, Discount Rate	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link
Rate applied to the undiscounted amount of the asset for third-party recoveries related to environmental remediation obligations to arrive at the present value recorded as of the balance sheet date.	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	7	http://fasb.org/us-gaap/role/ref/legacyRef
URI	http://asc.fasb.org/extlink&oid=6393242&loc=d3e13207-110859	http://fasb.org/us-gaap/role/ref/legacyRef

	Name	Relation Type	Role
	Recorded Third Party Environmental Recoveries, Reconciliation of Undiscounted Amount to Recorded Balance [Abstract] `us-gaap:RecordedThirdPartyEnvironmentalRecoveriesReconciliationOfUndiscountedAmountToRecordedBalanceAbstract`	parent-child	http://fasb.org/us-gaap/role/disclosure/EnvironmentalRemediationObligations
	Recorded Third Party Environmental Recoveries, Reconciliation of Undiscounted Amount to Recorded Balance [Abstract] `us-gaap:RecordedThirdPartyEnvironmentalRecoveriesReconciliationOfUndiscountedAmountToRecordedBalanceAbstract`	domain-member	http://fasb.org/us-gaap/role/disclosure/EnvironmentalRemediationObligationsRecordedThirdPartyEnvironmentalRecoveriesTable