    <SEC-DOCUMENT>0001021635-21-000195-index.html : 20211221
    <SEC-HEADER>0001021635-21-000195.hdr.sgml : 20211221
    <ACCEPTANCE-DATETIME>20211221120037
    ACCESSION NUMBER:		0001021635-21-000195
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		15
    CONFORMED PERIOD OF REPORT:	20211217
    ITEM INFORMATION:		Entry into a Material Definitive Agreement
    ITEM INFORMATION:		Termination of a Material Definitive Agreement
    ITEM INFORMATION:		Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20211221
    DATE AS OF CHANGE:		20211221

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			OGE ENERGY CORP.
    		CENTRAL INDEX KEY:			0001021635
    		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
    		IRS NUMBER:				731481638
    		STATE OF INCORPORATION:			OK
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-12579
    		FILM NUMBER:		211507968

    	BUSINESS ADDRESS:
    		STREET 1:		321 N HARVEY
    		STREET 2:		P.O. BOX 321
    		CITY:			OKLAHOMA CITY
    		STATE:			OK
    		ZIP:			73101-0321
    		BUSINESS PHONE:		4055533000

    	MAIL ADDRESS:
    		STREET 1:		321 N HARVEY
    		STREET 2:		P.O. BOX 321
    		CITY:			OKLAHOMA CITY
    		STATE:			OK
    		ZIP:			73101-0321

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	OGE ENERGY CORP
    		DATE OF NAME CHANGE:	19960827

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			OKLAHOMA GAS & ELECTRIC CO
    		CENTRAL INDEX KEY:			0000074145
    		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC SERVICES [4911]
    		IRS NUMBER:				730382390
    		STATE OF INCORPORATION:			OK
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-01097
    		FILM NUMBER:		211507969

    	BUSINESS ADDRESS:
    		STREET 1:		321 NORTH HARVEY
    		STREET 2:		PO BOX 321
    		CITY:			OKLAHOMA CITY
    		STATE:			OK
    		ZIP:			73101-0321
    		BUSINESS PHONE:		4055533000

    	MAIL ADDRESS:
    		STREET 1:		321 N HARVEY
    		STREET 2:		P O BOX 321
    		CITY:			OKLAHOMA CITY
    		STATE:			OK
    		ZIP:			73101
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>oge-20211217.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: oge-20211217.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.01
    <SEQUENCE>2
    <FILENAME>exhibit990112-17x21.htm
    <DESCRIPTION>EX-99.01
    <TEXT>
    Document 2 - file: exhibit990112-17x21.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.02
    <SEQUENCE>3
    <FILENAME>exhibit990212-17x21.htm
    <DESCRIPTION>EX-99.02
    <TEXT>
    Document 3 - file: exhibit990212-17x21.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>4
    <FILENAME>oge-20211217.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 4 - file: oge-20211217.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.DEF
    <SEQUENCE>5
    <FILENAME>oge-20211217_def.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT
    <TEXT>
    Document 5 - file: oge-20211217_def.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>6
    <FILENAME>oge-20211217_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
    <TEXT>
    Document 6 - file: oge-20211217_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>7
    <FILENAME>oge-20211217_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
    <TEXT>
    Document 7 - file: oge-20211217_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>8
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 8 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>9
    <FILENAME>oge-20211217_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 9 - file: oge-20211217_htm.html

    Document 9 - RAW XML: oge-20211217_htm.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>10
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 10 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>11
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 11 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>12
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 12 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>13
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 13 - file: FilingSummary.html

    Document 13 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>15
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 15 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>16
    <FILENAME>0001021635-21-000195-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 16 - file: 0001021635-21-000195-xbrl.zip

    </DOCUMENT>
    </SEC-DOCUMENT>