<SEC-DOCUMENT>0001127602-20-011086.txt : 20200317
<SEC-HEADER>0001127602-20-011086.hdr.sgml : 20200317
<ACCEPTANCE-DATETIME>20200317163526
ACCESSION NUMBER:		0001127602-20-011086
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200313
FILED AS OF DATE:		20200317
DATE AS OF CHANGE:		20200317

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Dorlack Jerome J.
		CENTRAL INDEX KEY:			0001697185

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-37757
		FILM NUMBER:		20721480

	MAIL ADDRESS:	
		STREET 1:		5725 DELPHI DRIVE
		CITY:			TROY
		STATE:			MI
		ZIP:			48098

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Adient plc
		CENTRAL INDEX KEY:			0001670541
		STANDARD INDUSTRIAL CLASSIFICATION:	MOTOR VEHICLE PARTS & ACCESSORIES [3714]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			L2
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		25-28 NORTH WALL QUAY
		CITY:			DUBLIN
		STATE:			L2
		ZIP:			D01 H104
		BUSINESS PHONE:		1-734-254-5000

	MAIL ADDRESS:	
		STREET 1:		25-28 NORTH WALL QUAY
		CITY:			DUBLIN
		STATE:			L2
		ZIP:			D01 H104

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Adient Ltd
		DATE OF NAME CHANGE:	20160328
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-03-13</periodOfReport>

    <issuer>
        <issuerCik>0001670541</issuerCik>
        <issuerName>Adient plc</issuerName>
        <issuerTradingSymbol>ADNT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001697185</rptOwnerCik>
            <rptOwnerName>Dorlack Jerome J.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>49200 HALYARD DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PLYMOUTH</rptOwnerCity>
            <rptOwnerState>MI</rptOwnerState>
            <rptOwnerZipCode>48170</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>VP, Americas</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Ordinary Shares</value>
            </securityTitle>
            <transactionDate>
                <value>2020-03-13</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2700</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>13.11</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>93973</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <ownerSignature>
        <signatureName>/s/ Cathi Walker, attorney-in-fact for Jerome J. Dorlack</signatureName>
        <signatureDate>2020-03-17</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
