    <SEC-DOCUMENT>0000018349-25-000124-index.html : 20251106
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    <ACCEPTANCE-DATETIME>20251106153037
    ACCESSION NUMBER:		0000018349-25-000124
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		25
    CONFORMED PERIOD OF REPORT:	20251106
    ITEM INFORMATION:		Submission of Matters to a Vote of Security Holders
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20251106
    DATE AS OF CHANGE:		20251106

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			SYNOVUS FINANCIAL CORP
    		CENTRAL INDEX KEY:			0000018349
    		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
    		ORGANIZATION NAME:           	02 Finance
    		EIN:				581134883
    		STATE OF INCORPORATION:			X1
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-10312
    		FILM NUMBER:		251457821

    	BUSINESS ADDRESS:
    		STREET 1:		33 W 14TH STREET
    		CITY:			COLUMBUS
    		STATE:			GA
    		ZIP:			31901
    		BUSINESS PHONE:		7066416500

    	MAIL ADDRESS:
    		STREET 1:		33 W 14TH STREET
    		CITY:			COLUMBUS
    		STATE:			GA
    		ZIP:			31901

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	CB&T BANCSHARES INC
    		DATE OF NAME CHANGE:	19890912
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>syn-20251106.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: syn-20251106.htm

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    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>exhibit991.htm
    <DESCRIPTION>EX-99.1
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    Document 2 - file: exhibit991.htm

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    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>4
    <FILENAME>syn-20251106.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
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    Document 4 - file: syn-20251106.xsd

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    <FILENAME>syn-20251106_lab.xml
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    <FILENAME>exhibit991001.jpg
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    <SEQUENCE>17
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    <TYPE>XML
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    <TEXT>
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    <SEQUENCE>20
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    <SEQUENCE>21
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    <TYPE>XML
    <SEQUENCE>23
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    <TYPE>JSON
    <SEQUENCE>25
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