    <SEC-DOCUMENT>0001628280-23-037589-index.html : 20231108
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    <ACCEPTANCE-DATETIME>20231108092054
    ACCESSION NUMBER:		0001628280-23-037589
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		16
    CONFORMED PERIOD OF REPORT:	20231108
    ITEM INFORMATION:		Other Events
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20231108
    DATE AS OF CHANGE:		20231108

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			SEALED AIR CORP/DE
    		CENTRAL INDEX KEY:			0001012100
    		STANDARD INDUSTRIAL CLASSIFICATION:	PLASTIC MATERIAL, SYNTH RESIN/RUBBER, CELLULOS (NO GLASS) [2820]
    		IRS NUMBER:				650654331
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-12139
    		FILM NUMBER:		231386292

    	BUSINESS ADDRESS:
    		STREET 1:		2415 CASCADE POINTE BOULEVARD
    		CITY:			CHARLOTTE
    		STATE:			NC
    		ZIP:			28208
    		BUSINESS PHONE:		980-221-3235

    	MAIL ADDRESS:
    		STREET 1:		2415 CASCADE POINTE BOULEVARD
    		CITY:			CHARLOTTE
    		STATE:			NC
    		ZIP:			28208

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	WR GRACE & CO/DE
    		DATE OF NAME CHANGE:	19961015

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	GRACE HOLDING INC
    		DATE OF NAME CHANGE:	19960805
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>see-20231108.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: see-20231108.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>q42023tenderofferexhibit991.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 2 - file: q42023tenderofferexhibit991.htm

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    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>q42023notesexhibit992.htm
    <DESCRIPTION>EX-99.2
    <TEXT>
    Document 3 - file: q42023notesexhibit992.htm

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    <SEQUENCE>4
    <FILENAME>see-20231108.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
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    <FILENAME>see-20231108_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
    <TEXT>
    Document 5 - file: see-20231108_lab.xml

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    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>6
    <FILENAME>see-20231108_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
    <TEXT>
    Document 6 - file: see-20231108_pre.xml

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    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>image_0.jpg
    <DESCRIPTION>COMPANY LOGO
    <TEXT>
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    <SEQUENCE>8
    <FILENAME>logo.jpg
    <DESCRIPTION>COMPANY LOGO
    <TEXT>
    Document 8 - file: logo.jpg

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    <TYPE>XML
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    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 9 - file: R1.htm

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    <TYPE>XML
    <SEQUENCE>10
    <FILENAME>see-20231108_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
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    Document 10 - RAW XML: see-20231108_htm.xml

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    <TYPE>EXCEL
    <SEQUENCE>11
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 11 - file: Financial_Report.xlsx

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>12
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    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 12 - file: Show.js

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    <SEQUENCE>13
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
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    <TYPE>XML
    <SEQUENCE>14
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
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    Document 14 - RAW XML: FilingSummary.xml

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    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>17
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 17 - file: MetaLinks.json

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    <TYPE>ZIP
    <SEQUENCE>18
    <FILENAME>0001628280-23-037589-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
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