    <SEC-DOCUMENT>0001193125-24-078306-index.html : 20240327
    <SEC-HEADER>0001193125-24-078306.hdr.sgml : 20240327
    <ACCEPTANCE-DATETIME>20240327090048
    ACCESSION NUMBER:		0001193125-24-078306
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		32
    CONFORMED PERIOD OF REPORT:	20240508
    FILED AS OF DATE:		20240327
    DATE AS OF CHANGE:		20240327

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			ADTRAN Holdings, Inc.
    		CENTRAL INDEX KEY:			0000926282
    		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE & TELEGRAPH APPARATUS [3661]
    		ORGANIZATION NAME:           	04 Manufacturing
    		IRS NUMBER:				872164282
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-41446
    		FILM NUMBER:		24785992

    	BUSINESS ADDRESS:
    		STREET 1:		901 EXPLORER BLVD
    		CITY:			HUNTSVILLE
    		STATE:			AL
    		ZIP:			35806
    		BUSINESS PHONE:		256-963-8220

    	MAIL ADDRESS:
    		STREET 1:		901 EXPLORER BLVD
    		CITY:			HUNTSVILLE
    		STATE:			AL
    		ZIP:			35806

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ADTRAN INC
    		DATE OF NAME CHANGE:	19940705
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>d721934ddef14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: d721934ddef14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>2
    <FILENAME>adtn-20231231.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
    <TEXT>
    Document 2 - file: adtn-20231231.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.DEF
    <SEQUENCE>3
    <FILENAME>adtn-20231231_def.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE
    <TEXT>
    Document 3 - file: adtn-20231231_def.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>4
    <FILENAME>adtn-20231231_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
    <TEXT>
    Document 4 - file: adtn-20231231_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>5
    <FILENAME>adtn-20231231_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE
    <TEXT>
    Document 5 - file: adtn-20231231_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>g721934dsp2.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g721934dsp2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g721934dsp24a.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g721934dsp24a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>g721934dsp24b.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g721934dsp24b.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>g721934dsp24c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: g721934dsp24c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>g721934dsp29a.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g721934dsp29a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>g721934dsp3.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g721934dsp3.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>g721934dsp30a.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: g721934dsp30a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>g721934dsp30b.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: g721934dsp30b.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>g721934dsp31.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: g721934dsp31.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>g721934dsp3a.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: g721934dsp3a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>g721934dsp5.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: g721934dsp5.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>g721934dsp76.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: g721934dsp76.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>g721934dsp77a.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: g721934dsp77a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>g721934dsp77b.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: g721934dsp77b.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>g721934dsp8.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 20 - file: g721934dsp8.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>g721934g09g09.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 21 - file: g721934g09g09.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>g721934page151.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 22 - file: g721934page151.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>g721934page152.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 23 - file: g721934page152.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>25
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 25 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>26
    <FILENAME>R2.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 26 - file: R2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>27
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 27 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>28
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 28 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>30
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 30 - file: FilingSummary.html

    Document 30 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>32
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 32 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>33
    <FILENAME>0001193125-24-078306-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 33 - file: 0001193125-24-078306-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>35
    <FILENAME>d721934ddef14a_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 35 - file: d721934ddef14a_htm.html

    Document 35 - RAW XML: d721934ddef14a_htm.xml

    </DOCUMENT>
    </SEC-DOCUMENT>