    <SEC-DOCUMENT>0000018349-22-000156-index.html : 20220811
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    <ACCEPTANCE-DATETIME>20220811161616
    ACCESSION NUMBER:		0000018349-22-000156
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		27
    CONFORMED PERIOD OF REPORT:	20220811
    ITEM INFORMATION:		Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20220811
    DATE AS OF CHANGE:		20220811

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			SYNOVUS FINANCIAL CORP
    		CENTRAL INDEX KEY:			0000018349
    		STANDARD INDUSTRIAL CLASSIFICATION:	NATIONAL COMMERCIAL BANKS [6021]
    		IRS NUMBER:				581134883
    		STATE OF INCORPORATION:			GA
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-10312
    		FILM NUMBER:		221156095

    	BUSINESS ADDRESS:
    		STREET 1:		1111 BAY AVENUE
    		STREET 2:		STE 500
    		CITY:			COLUMBUS
    		STATE:			GA
    		ZIP:			31901
    		BUSINESS PHONE:		7066492311

    	MAIL ADDRESS:
    		STREET 1:		1111 BAY AVENUE
    		STREET 2:		STE 500
    		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-20220811.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: syn-20220811.htm

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    <TYPE>EX-4.2
    <SEQUENCE>2
    <FILENAME>snv-august2022offeringxf.htm
    <DESCRIPTION>EX-4.2
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    Document 2 - file: snv-august2022offeringxf.htm

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    <FILENAME>snv-august2022offeringxa.htm
    <DESCRIPTION>EX-5.1
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    Document 3 - file: snv-august2022offeringxa.htm

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    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>4
    <FILENAME>syn-20220811.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
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    Document 4 - file: syn-20220811.xsd

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    <FILENAME>syn-20220811_def.xml
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    Document 5 - file: syn-20220811_def.xml

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    Document 6 - file: syn-20220811_lab.xml

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    Document 7 - file: syn-20220811_pre.xml

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    Document 10 - file: snv-august2022offeringxa003.jpg

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    <FILENAME>snv-august2022offeringxf001.jpg
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    Document 11 - file: snv-august2022offeringxf001.jpg

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    <FILENAME>snv-august2022offeringxf002.jpg
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    Document 12 - file: snv-august2022offeringxf002.jpg

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    Document 13 - file: snv-august2022offeringxf003.jpg

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    Document 15 - file: snv-august2022offeringxf005.jpg

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    Document 16 - file: snv-august2022offeringxf006.jpg

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    Document 17 - file: snv-august2022offeringxf007.jpg

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    Document 19 - file: snv-august2022offeringxf009.jpg

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    <DESCRIPTION>IDEA: XBRL DOCUMENT
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    Document 20 - file: R1.htm

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    Document 21 - RAW XML: syn-20220811_htm.xml

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    <SEQUENCE>22
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    Document 22 - file: Financial_Report.xlsx

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    <SEQUENCE>25
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    Document 25 - file: FilingSummary.html

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    <SEQUENCE>27
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