<SEC-DOCUMENT>0001127602-25-006950.txt : 20250226
<SEC-HEADER>0001127602-25-006950.hdr.sgml : 20250226
<ACCEPTANCE-DATETIME>20250226180135
ACCESSION NUMBER:		0001127602-25-006950
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20250130
FILED AS OF DATE:		20250226
DATE AS OF CHANGE:		20250226

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Smith Kenny Kellyn
		CENTRAL INDEX KEY:			0001829593
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08610
		FILM NUMBER:		25671887

	MAIL ADDRESS:	
		STREET 1:		208 S. AKARD ST
		STREET 2:		29TH FLOOR
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75202

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AT&T INC.
		CENTRAL INDEX KEY:			0000732717
		STANDARD INDUSTRIAL CLASSIFICATION:	TELEPHONE COMMUNICATIONS (NO RADIO TELEPHONE) [4813]
		ORGANIZATION NAME:           	06 Technology
		IRS NUMBER:				431301883
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		208 S. AKARD ST
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75202
		BUSINESS PHONE:		2108214105

	MAIL ADDRESS:	
		STREET 1:		208 S. AKARD ST
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75202

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SBC COMMUNICATIONS INC
		DATE OF NAME CHANGE:	19950501

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SOUTHWESTERN BELL CORP
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>form4a.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4/A</documentType>

    <periodOfReport>2025-01-30</periodOfReport>

    <dateOfOriginalSubmission>2025-02-03</dateOfOriginalSubmission>

    <issuer>
        <issuerCik>0000732717</issuerCik>
        <issuerName>AT&amp;T INC.</issuerName>
        <issuerTradingSymbol>T</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001829593</rptOwnerCik>
            <rptOwnerName>Smith Kenny Kellyn</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>208 S. AKARD STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>DALLAS</rptOwnerCity>
            <rptOwnerState></rptOwnerState>
            <rptOwnerZipCode>75202</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>Chief Marketing &amp; Growth Ofcr</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-01-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>F</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>20020.0941</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>24.02</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>33002.4459</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Benefit Plan</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-01-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F2"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>30326.4459</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>24.02</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>2676</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Benefit Plan</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2025-01-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F3"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2676</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F4"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Benefit Plan</value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>228262</value>
                    <footnoteId id="F5"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Revised to reflect shares withheld as a result of re-calculation of shares needed to satisfy federal taxes on distribution of performance shares.</footnote>
        <footnote id="F2">Revised to reflect shares distributed as a result of re-calculation of taxes. Represents performance shares distributed in cash, after taxes.</footnote>
        <footnote id="F3">Revised to reflect shares distributed as a result of re-calculation of taxes. Represents performance shares distributed in issuer's shares, after taxes.</footnote>
        <footnote id="F4">Each performance share is equivalent in value to a share of common stock.</footnote>
        <footnote id="F5">Revised to reflect transfer of 2,676 shares owned indirectly by benefit plan to direct ownership due to distribution of performance shares.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Johnell C. Holland, Attorney-in-fact</signatureName>
        <signatureDate>2025-02-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
