    <SEC-DOCUMENT>0001357615-25-000053-index.html : 20250924
    <SEC-HEADER>0001357615-25-000053.hdr.sgml : 20250924
    <ACCEPTANCE-DATETIME>20250924060156
    ACCESSION NUMBER:		0001357615-25-000053
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		31
    CONFORMED PERIOD OF REPORT:	20250924
    ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20250924
    DATE AS OF CHANGE:		20250924

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			KBR, INC.
    		CENTRAL INDEX KEY:			0001357615
    		STANDARD INDUSTRIAL CLASSIFICATION:	HEAVY CONSTRUCTION OTHER THAN BUILDING CONST - CONTRACTORS [1600]
    		ORGANIZATION NAME:           	05 Real Estate & Construction
    		EIN:				204536774
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			0102

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-33146
    		FILM NUMBER:		251335122

    	BUSINESS ADDRESS:
    		STREET 1:		601 JEFFERSON STREET
    		STREET 2:		SUITE 3400
    		CITY:			HOUSTON
    		STATE:			TX
    		ZIP:			77002
    		BUSINESS PHONE:		(713) 753-2000

    	MAIL ADDRESS:
    		STREET 1:		601 JEFFERSON STREET
    		STREET 2:		SUITE 3400
    		CITY:			HOUSTON
    		STATE:			TX
    		ZIP:			77002
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>kbr-20250924.htm
    <DESCRIPTION>CURRENT REPORT
    <TEXT>
    Document 1 - file: kbr-20250924.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>exhibit99-109242025.htm
    <DESCRIPTION>EX-99.1
    <TEXT>
    Document 2 - file: exhibit99-109242025.htm

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    <DOCUMENT>
    <TYPE>EX-99.2
    <SEQUENCE>3
    <FILENAME>exhibit99-209242025.htm
    <DESCRIPTION>EX-99.2
    <TEXT>
    Document 3 - file: exhibit99-209242025.htm

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    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>4
    <FILENAME>kbr-20250924.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 4 - file: kbr-20250924.xsd

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    <SEQUENCE>5
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    <TEXT>
    Document 5 - file: kbr-20250924_lab.xml

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    <SEQUENCE>6
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    <TEXT>
    Document 6 - file: kbr-20250924_pre.xml

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    <DOCUMENT>
    <TYPE>GRAPHIC
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    <FILENAME>exhibit99-209242025001.jpg
    <DESCRIPTION>KBR STRATEGIC INTENT TO SPIN OFF MTS PRESENTATION
    <TEXT>
    Document 7 - file: exhibit99-209242025001.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>exhibit99-209242025002.jpg
    <DESCRIPTION>KBR STRATEGIC INTENT TO SPIN OFF MTS PRESENTATION
    <TEXT>
    Document 8 - file: exhibit99-209242025002.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>exhibit99-209242025003.jpg
    <DESCRIPTION>KBR STRATEGIC INTENT TO SPIN OFF MTS PRESENTATION
    <TEXT>
    Document 9 - file: exhibit99-209242025003.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>exhibit99-209242025004.jpg
    <DESCRIPTION>KBR STRATEGIC INTENT TO SPIN OFF MTS PRESENTATION
    <TEXT>
    Document 10 - file: exhibit99-209242025004.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>exhibit99-209242025005.jpg
    <DESCRIPTION>KBR STRATEGIC INTENT TO SPIN OFF MTS PRESENTATION
    <TEXT>
    Document 11 - file: exhibit99-209242025005.jpg

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    <SEQUENCE>12
    <FILENAME>exhibit99-209242025006.jpg
    <DESCRIPTION>KBR STRATEGIC INTENT TO SPIN OFF MTS PRESENTATION
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    Document 12 - file: exhibit99-209242025006.jpg

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    <SEQUENCE>13
    <FILENAME>exhibit99-209242025007.jpg
    <DESCRIPTION>KBR STRATEGIC INTENT TO SPIN OFF MTS PRESENTATION
    <TEXT>
    Document 13 - file: exhibit99-209242025007.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>exhibit99-209242025008.jpg
    <DESCRIPTION>KBR STRATEGIC INTENT TO SPIN OFF MTS PRESENTATION
    <TEXT>
    Document 14 - file: exhibit99-209242025008.jpg

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    <SEQUENCE>15
    <FILENAME>exhibit99-209242025009.jpg
    <DESCRIPTION>KBR STRATEGIC INTENT TO SPIN OFF MTS PRESENTATION
    <TEXT>
    Document 15 - file: exhibit99-209242025009.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>exhibit99-209242025010.jpg
    <DESCRIPTION>KBR STRATEGIC INTENT TO SPIN OFF MTS PRESENTATION
    <TEXT>
    Document 16 - file: exhibit99-209242025010.jpg

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    <SEQUENCE>17
    <FILENAME>exhibit99-209242025011.jpg
    <DESCRIPTION>KBR STRATEGIC INTENT TO SPIN OFF MTS PRESENTATION
    <TEXT>
    Document 17 - file: exhibit99-209242025011.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>exhibit99-209242025012.jpg
    <DESCRIPTION>KBR STRATEGIC INTENT TO SPIN OFF MTS PRESENTATION
    <TEXT>
    Document 18 - file: exhibit99-209242025012.jpg

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>exhibit99-209242025013.jpg
    <DESCRIPTION>KBR STRATEGIC INTENT TO SPIN OFF MTS PRESENTATION
    <TEXT>
    Document 19 - file: exhibit99-209242025013.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>exhibit99-209242025014.jpg
    <DESCRIPTION>KBR STRATEGIC INTENT TO SPIN OFF MTS PRESENTATION
    <TEXT>
    Document 20 - file: exhibit99-209242025014.jpg

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    <SEQUENCE>21
    <FILENAME>exhibit99-209242025015.jpg
    <DESCRIPTION>KBR STRATEGIC INTENT TO SPIN OFF MTS PRESENTATION
    <TEXT>
    Document 21 - file: exhibit99-209242025015.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>image_0a.jpg
    <DESCRIPTION>KBR PR LOGO
    <TEXT>
    Document 22 - file: image_0a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>kbr-20250924_g1.jpg
    <DESCRIPTION>KBR LOGO
    <TEXT>
    Document 23 - file: kbr-20250924_g1.jpg

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    <TYPE>XML
    <SEQUENCE>25
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 25 - file: R1.htm

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    <TYPE>XML
    <SEQUENCE>26
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    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 26 - file: Show.js

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    <TYPE>XML
    <SEQUENCE>27
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 27 - file: report.css

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>29
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 29 - file: FilingSummary.html

    Document 29 - RAW XML: FilingSummary.xml

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    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>31
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 31 - file: MetaLinks.json

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    <TYPE>ZIP
    <SEQUENCE>32
    <FILENAME>0001357615-25-000053-xbrl.zip
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    <TEXT>
    Document 32 - file: 0001357615-25-000053-xbrl.zip

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    <SEQUENCE>33
    <FILENAME>kbr-20250924_htm.xml
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    Document 33 - file: kbr-20250924_htm.html

    Document 33 - RAW XML: kbr-20250924_htm.xml

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