    <SEC-DOCUMENT>0001104659-24-037639-index.html : 20240322
    <SEC-HEADER>0001104659-24-037639.hdr.sgml : 20240322
    <ACCEPTANCE-DATETIME>20240322100217
    ACCESSION NUMBER:		0001104659-24-037639
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		43
    CONFORMED PERIOD OF REPORT:	20240501
    FILED AS OF DATE:		20240322
    DATE AS OF CHANGE:		20240322

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CNA FINANCIAL CORP
    		CENTRAL INDEX KEY:			0000021175
    		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
    		ORGANIZATION NAME:           	02 Finance
    		IRS NUMBER:				366169860
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-05823
    		FILM NUMBER:		24773483

    	BUSINESS ADDRESS:
    		STREET 1:		CNA
    		STREET 2:		151 N. FRANKLIN
    		CITY:			CHICAGO
    		STATE:			IL
    		ZIP:			60606
    		BUSINESS PHONE:		3128225000

    	MAIL ADDRESS:
    		STREET 1:		CNA
    		STREET 2:		151 N. FRANKLIN
    		CITY:			CHICAGO
    		STATE:			IL
    		ZIP:			60606
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>tm242682-d4_def14a.htm
    <DESCRIPTION>FORM DEF 14A
    <TEXT>
    Document 1 - file: tm242682-d4_def14a.htm

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>fc_directors-4clr.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: fc_directors-4clr.jpg

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

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

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

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

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

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

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

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>pc_equityneo-pn.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 24 - file: pc_equityneo-pn.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>bc_mixceo-pn.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 25 - file: bc_mixceo-pn.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>bc_mixneo-pn.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 26 - file: bc_mixneo-pn.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>lc_coreincome-pn.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 27 - file: lc_coreincome-pn.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>bc_tsr-pn.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 28 - file: bc_tsr-pn.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>lc_capvscsmci-pn.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 29 - file: lc_capvscsmci-pn.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>px_24cnafinancproxy1pg01-bw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 30 - file: px_24cnafinancproxy1pg01-bw.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>px_24cnafinancproxy1pg02-bw.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 31 - file: px_24cnafinancproxy1pg02-bw.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>px_24cnafinancproxy1pg03-4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 32 - file: px_24cnafinancproxy1pg03-4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>33
    <FILENAME>px_24cnafinancproxy1pg04-4c.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 33 - file: px_24cnafinancproxy1pg04-4c.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>37
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 37 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>38
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 38 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>40
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 40 - file: FilingSummary.html

    Document 40 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>42
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 42 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>43
    <FILENAME>0001104659-24-037639-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 43 - file: 0001104659-24-037639-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>46
    <FILENAME>tm242682-d4_def14a_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 46 - file: tm242682-d4_def14a_htm.html

    Document 46 - RAW XML: tm242682-d4_def14a_htm.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>47
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 47 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>48
    <FILENAME>R2.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 48 - file: R2.htm

    </DOCUMENT>
    </SEC-DOCUMENT>