Taxonomy Viewer

Name	RegulatoryEnvironmentalCostsPolicy
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
Disclosure of accounting policy for liabilities for remediation of environmental matters. The accounting policy may specify the conditions under which rate actions of a regulator provide reasonable assurance of the existence of an asset pertaining thereto.	en-US	http://www.xbrl.org/2003/role/documentation	http://www.xbrl.org/2003/role/link
Regulatory Environmental Costs, Policy [Policy Text Block]	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link

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