    <SEC-DOCUMENT>0001193125-25-065530-index.html : 20250327
    <SEC-HEADER>0001193125-25-065530.hdr.sgml : 20250327
    <ACCEPTANCE-DATETIME>20250327162118
    ACCESSION NUMBER:		0001193125-25-065530
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		62
    CONFORMED PERIOD OF REPORT:	20250508
    FILED AS OF DATE:		20250327
    DATE AS OF CHANGE:		20250327

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CAPITAL ONE FINANCIAL CORP
    		CENTRAL INDEX KEY:			0000927628
    		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
    		ORGANIZATION NAME:           	02 Finance
    		EIN:				541719854
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-13300
    		FILM NUMBER:		25779593

    	BUSINESS ADDRESS:
    		STREET 1:		1680 CAPITAL ONE DRIVE
    		STREET 2:		SUITE 1400
    		CITY:			MCLEAN
    		STATE:			VA
    		ZIP:			22102
    		BUSINESS PHONE:		7037201000

    	MAIL ADDRESS:
    		STREET 1:		1680 CAPITAL ONE DRIVE
    		STREET 2:		SUITE 1400
    		CITY:			MCLEAN
    		STATE:			VA
    		ZIP:			22102

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	OAKSTONE FINANCIAL CORP
    		DATE OF NAME CHANGE:	19940728
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>d845790ddef14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: d845790ddef14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>2
    <FILENAME>cof-20241231.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
    <TEXT>
    Document 2 - file: cof-20241231.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g845790g00n04.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g845790g00n04.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g845790g00n05.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g845790g00n05.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g845790g00n22.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g845790g00n22.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>g845790g00n24.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g845790g00n24.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g845790g00n26.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g845790g00n26.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>g845790g00n27.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g845790g00n27.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>g845790g00z02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: g845790g00z02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>g845790g00z03.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g845790g00z03.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>g845790g01a51.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g845790g01a51.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>g845790g01n06.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: g845790g01n06.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>g845790g01n23.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: g845790g01n23.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>g845790g01n25.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: g845790g01n25.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>g845790g01s10.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: g845790g01s10.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>g845790g01s12.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: g845790g01s12.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>g845790g02a51.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: g845790g02a51.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>g845790g02n06.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: g845790g02n06.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>g845790g02n21.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: g845790g02n21.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>g845790g02n23.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 20 - file: g845790g02n23.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>g845790g02n25.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 21 - file: g845790g02n25.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>g845790g02n28.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 22 - file: g845790g02n28.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>g845790g03n06.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 23 - file: g845790g03n06.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>g845790g04n06.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 24 - file: g845790g04n06.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>g845790g05a25.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 25 - file: g845790g05a25.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>g845790g11i30.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 26 - file: g845790g11i30.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>g845790g11v71.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 27 - file: g845790g11v71.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>g845790g13t01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 28 - file: g845790g13t01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>g845790g14g60.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 29 - file: g845790g14g60.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>g845790g15p04.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 30 - file: g845790g15p04.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>g845790g29a30.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 31 - file: g845790g29a30.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>g845790g31k31.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 32 - file: g845790g31k31.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>33
    <FILENAME>g845790g42k42.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 33 - file: g845790g42k42.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>34
    <FILENAME>g845790g49k49.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 34 - file: g845790g49k49.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>35
    <FILENAME>g845790g51c01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 35 - file: g845790g51c01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>36
    <FILENAME>g845790g51g02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 36 - file: g845790g51g02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>37
    <FILENAME>g845790g59a80.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 37 - file: g845790g59a80.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>38
    <FILENAME>g845790g63i01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 38 - file: g845790g63i01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>39
    <FILENAME>g845790g63i02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 39 - file: g845790g63i02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>40
    <FILENAME>g845790g63i03.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 40 - file: g845790g63i03.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>41
    <FILENAME>g845790g68w64.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 41 - file: g845790g68w64.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>42
    <FILENAME>g845790g71b01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 42 - file: g845790g71b01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>43
    <FILENAME>g845790g71b02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 43 - file: g845790g71b02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>44
    <FILENAME>g845790g72b01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 44 - file: g845790g72b01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>45
    <FILENAME>g845790g72b02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 45 - file: g845790g72b02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>46
    <FILENAME>g845790g72b03.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 46 - file: g845790g72b03.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>47
    <FILENAME>g845790g72b04.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 47 - file: g845790g72b04.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>48
    <FILENAME>g845790g74a01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 48 - file: g845790g74a01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>49
    <FILENAME>g845790g74a02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 49 - file: g845790g74a02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>50
    <FILENAME>g845790g81k81.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 50 - file: g845790g81k81.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>51
    <FILENAME>g845790g97t00.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 51 - file: g845790g97t00.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>53
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 53 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>54
    <FILENAME>R2.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 54 - file: R2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>55
    <FILENAME>R3.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 55 - file: R3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>56
    <FILENAME>R4.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 56 - file: R4.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>57
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 57 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>58
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 58 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>60
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 60 - file: FilingSummary.html

    Document 60 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>63
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 63 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>64
    <FILENAME>0001193125-25-065530-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 64 - file: 0001193125-25-065530-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>65
    <FILENAME>d845790ddef14a_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 65 - file: d845790ddef14a_htm.html

    Document 65 - RAW XML: d845790ddef14a_htm.xml

    </DOCUMENT>
    </SEC-DOCUMENT>