<SEC-DOCUMENT>0001490906-24-000008-index.html : 20240126
<SEC-HEADER>0001490906-24-000008.hdr.sgml : 20240126
<ACCEPTANCE-DATETIME>20240126122934
ACCESSION NUMBER:		0001490906-24-000008
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		14
CONFORMED PERIOD OF REPORT:	20240123
ITEM INFORMATION:		Changes in Registrant's Certifying Accountant
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20240126
DATE AS OF CHANGE:		20240126

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Capitol Federal Financial, Inc.
		CENTRAL INDEX KEY:			0001490906
		STANDARD INDUSTRIAL CLASSIFICATION:	SAVINGS INSTITUTION, FEDERALLY CHARTERED [6035]
		ORGANIZATION NAME:           	02 Finance
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			MD
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34814
		FILM NUMBER:		24566163

	BUSINESS ADDRESS:	
		STREET 1:		700 S KANSAS AVENUE
		CITY:			TOPEKA
		STATE:			KS
		ZIP:			66603
		BUSINESS PHONE:		785-235-1341

	MAIL ADDRESS:	
		STREET 1:		700 S KANSAS AVENUE
		CITY:			TOPEKA
		STATE:			KS
		ZIP:			66603

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Capitol Federal Financial Inc
		DATE OF NAME CHANGE:	20100503
</SEC-HEADER>
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<TYPE>8-K
<SEQUENCE>1
<FILENAME>cffn-20240123.htm
<DESCRIPTION>CURRENT REPORT ITEM 4.01 AND 9.01
<TEXT>
Document 1 - file: cffn-20240123.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-16.1
<SEQUENCE>2
<FILENAME>letterfromdtllpdated0126.htm
<DESCRIPTION>LETTER FROM DELOITTE & TOUCHE LLP DATED JANUARY 26 2024
<TEXT>
Document 2 - file: letterfromdtllpdated0126.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>3
<FILENAME>cffn-20240123.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
<TEXT>
Document 3 - file: cffn-20240123.xsd

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<TYPE>EX-101.LAB
<SEQUENCE>4
<FILENAME>cffn-20240123_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
<TEXT>
Document 4 - file: cffn-20240123_lab.xml

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<TEXT>
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<FILENAME>letterfromdtllpdated0126001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: letterfromdtllpdated0126001.jpg

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<TYPE>XML
<SEQUENCE>7
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 7 - file: R1.htm

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<TEXT>
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Document 8 - RAW XML: cffn-20240123_htm.xml

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<TYPE>EXCEL
<SEQUENCE>9
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 9 - file: Financial_Report.xlsx

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<SEQUENCE>10
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<TEXT>
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<SEQUENCE>11
<FILENAME>report.css
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<TEXT>
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<DOCUMENT>
<TYPE>XML
<SEQUENCE>12
<FILENAME>FilingSummary.xml
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<TEXT>
Document 12 - file: FilingSummary.html

Document 12 - RAW XML: FilingSummary.xml

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<DOCUMENT>
<TYPE>JSON
<SEQUENCE>14
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 14 - file: MetaLinks.json

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<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>15
<FILENAME>0001490906-24-000008-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 15 - file: 0001490906-24-000008-xbrl.zip

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