Statement of Consolidated Operations (unaudited) (Parenthetical)	6 Months Ended
Jun. 30, 2020
Income Statement [Abstract]
Cost, Product and Service [Extensible List]	us-gaap:ProductMember

Indicates type of cost from product sold and service rendered.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 55
-Paragraph 91
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121551570&loc=SL49130690-203046-203046

Name:	us-gaap_TypeOfCostGoodOrServiceExtensibleList
Namespace Prefix:	us-gaap_
Data Type:	srt-types:extensibleListItemType
Balance Type:	na
Period Type:	duration