Taxonomy Viewer

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

Text	Lang	Role	Container role
Indicates (true false) whether Medicare Prescription Drug, Improvement, and Modernization Act exists and accumulated postretirement benefit obligation or net periodic postretirement benefit cost (credit) does not reflect amount associated with government subsidy for prescription drug benefit because employer is unable to conclude whether benefit provided by plan is actuarially equivalent to Medicare Part D under Act.	en-US	http://www.xbrl.org/2003/role/documentation	http://www.xbrl.org/2003/role/link
Defined Benefit Plan, Prescription Drug Benefit Subsidy, Effect Not Determined [true false]	en-US	http://www.xbrl.org/2003/role/label	http://www.xbrl.org/2003/role/link

Name	Value	Role
Publisher	FASB	http://www.xbrl.org/2003/role/disclosureRef
Name	Accounting Standards Codification	http://www.xbrl.org/2003/role/disclosureRef
Topic	715	http://www.xbrl.org/2003/role/disclosureRef
SubTopic	60	http://www.xbrl.org/2003/role/disclosureRef
Section	50	http://www.xbrl.org/2003/role/disclosureRef
Paragraph	6	http://www.xbrl.org/2003/role/disclosureRef
Subparagraph	(a)	http://www.xbrl.org/2003/role/disclosureRef
URI	http://asc.fasb.org/extlink&oid=6414203&loc=d3e39769-114964	http://www.xbrl.org/2003/role/disclosureRef
Publisher	FASB	http://www.xbrl.org/2003/role/disclosureRef
Name	Accounting Standards Codification	http://www.xbrl.org/2003/role/disclosureRef
Topic	715	http://www.xbrl.org/2003/role/disclosureRef
SubTopic	60	http://www.xbrl.org/2003/role/disclosureRef
Section	50	http://www.xbrl.org/2003/role/disclosureRef
Paragraph	6	http://www.xbrl.org/2003/role/disclosureRef
Subparagraph	(b)	http://www.xbrl.org/2003/role/disclosureRef
URI	http://asc.fasb.org/extlink&oid=6414203&loc=d3e39769-114964	http://www.xbrl.org/2003/role/disclosureRef