    <SEC-DOCUMENT>0001981599-25-000019-index.html : 20250305
    <SEC-HEADER>0001981599-25-000019.hdr.sgml : 20250305
    <ACCEPTANCE-DATETIME>20250305085131
    ACCESSION NUMBER:		0001981599-25-000019
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		34
    CONFORMED PERIOD OF REPORT:	20250416
    FILED AS OF DATE:		20250305
    DATE AS OF CHANGE:		20250305

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Centuri Holdings, Inc.
    		CENTRAL INDEX KEY:			0001981599
    		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS TRANSMISSION & DISTRIBUTION [4923]
    		ORGANIZATION NAME:           	01 Energy & Transportation
    		IRS NUMBER:				931817741
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1229

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-42022
    		FILM NUMBER:		25709038

    	BUSINESS ADDRESS:
    		STREET 1:		19820 NORTH 7TH AVENUE SUITE 120
    		CITY:			PHOENIX
    		STATE:			AZ
    		ZIP:			85027
    		BUSINESS PHONE:		(623) 582-1235

    	MAIL ADDRESS:
    		STREET 1:		19820 NORTH 7TH AVENUE SUITE 120
    		CITY:			PHOENIX
    		STATE:			AZ
    		ZIP:			85027
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>ctri-20250305.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: ctri-20250305.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>2
    <FILENAME>ctri-20250305.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 2 - file: ctri-20250305.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.DEF
    <SEQUENCE>3
    <FILENAME>ctri-20250305_def.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT
    <TEXT>
    Document 3 - file: ctri-20250305_def.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>4
    <FILENAME>ctri-20250305_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
    <TEXT>
    Document 4 - file: ctri-20250305_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>5
    <FILENAME>ctri-20250305_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
    <TEXT>
    Document 5 - file: ctri-20250305_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>ctri-20250305_g1.jpg
    <TEXT>
    Document 6 - file: ctri-20250305_g1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>ctri-20250305_g10.jpg
    <TEXT>
    Document 7 - file: ctri-20250305_g10.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>ctri-20250305_g11.jpg
    <TEXT>
    Document 8 - file: ctri-20250305_g11.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>ctri-20250305_g12.jpg
    <TEXT>
    Document 9 - file: ctri-20250305_g12.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>ctri-20250305_g13.jpg
    <TEXT>
    Document 10 - file: ctri-20250305_g13.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>ctri-20250305_g14.jpg
    <TEXT>
    Document 11 - file: ctri-20250305_g14.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>ctri-20250305_g15.jpg
    <TEXT>
    Document 12 - file: ctri-20250305_g15.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>ctri-20250305_g16.jpg
    <TEXT>
    Document 13 - file: ctri-20250305_g16.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>ctri-20250305_g17.jpg
    <TEXT>
    Document 14 - file: ctri-20250305_g17.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>ctri-20250305_g18.jpg
    <TEXT>
    Document 15 - file: ctri-20250305_g18.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>ctri-20250305_g19.jpg
    <TEXT>
    Document 16 - file: ctri-20250305_g19.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>ctri-20250305_g2.jpg
    <TEXT>
    Document 17 - file: ctri-20250305_g2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>ctri-20250305_g3.jpg
    <TEXT>
    Document 18 - file: ctri-20250305_g3.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>ctri-20250305_g4.jpg
    <TEXT>
    Document 19 - file: ctri-20250305_g4.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>ctri-20250305_g5.jpg
    <TEXT>
    Document 20 - file: ctri-20250305_g5.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>ctri-20250305_g6.jpg
    <TEXT>
    Document 21 - file: ctri-20250305_g6.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>ctri-20250305_g7.jpg
    <TEXT>
    Document 22 - file: ctri-20250305_g7.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>ctri-20250305_g8.jpg
    <TEXT>
    Document 23 - file: ctri-20250305_g8.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>ctri-20250305_g9.jpg
    <TEXT>
    Document 24 - file: ctri-20250305_g9.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>26
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 26 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>27
    <FILENAME>R2.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 27 - file: R2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>28
    <FILENAME>R3.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 28 - file: R3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>29
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 29 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>30
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 30 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>32
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 32 - file: FilingSummary.html

    Document 32 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>34
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 34 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>35
    <FILENAME>0001981599-25-000019-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 35 - file: 0001981599-25-000019-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>36
    <FILENAME>ctri-20250305_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 36 - file: ctri-20250305_htm.html

    Document 36 - RAW XML: ctri-20250305_htm.xml

    </DOCUMENT>
    </SEC-DOCUMENT>