    <SEC-DOCUMENT>0000950170-25-039555-index.html : 20250314
    <SEC-HEADER>0000950170-25-039555.hdr.sgml : 20250314
    <ACCEPTANCE-DATETIME>20250314170128
    ACCESSION NUMBER:		0000950170-25-039555
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		13
    CONFORMED PERIOD OF REPORT:	20250313
    ITEM INFORMATION:		Entry into a Material Definitive Agreement
    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:		20250314
    DATE AS OF CHANGE:		20250314

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			CBRE GROUP, INC.
    		CENTRAL INDEX KEY:			0001138118
    		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE [6500]
    		ORGANIZATION NAME:           	05 Real Estate & Construction
    		IRS NUMBER:				943391143
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-32205
    		FILM NUMBER:		25741092

    	BUSINESS ADDRESS:
    		STREET 1:		2121 NORTH PEARL STREET
    		STREET 2:		SUITE 300
    		CITY:			DALLAS
    		STATE:			TX
    		ZIP:			75201
    		BUSINESS PHONE:		214-979-6100

    	MAIL ADDRESS:
    		STREET 1:		2121 NORTH PEARL STREET
    		STREET 2:		SUITE 300
    		CITY:			DALLAS
    		STATE:			TX
    		ZIP:			75201

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	CB RICHARD ELLIS GROUP INC
    		DATE OF NAME CHANGE:	20040217

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	CBRE HOLDING INC
    		DATE OF NAME CHANGE:	20010411
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>cbre-20250313.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: cbre-20250313.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.1
    <SEQUENCE>2
    <FILENAME>cbre-ex10_1.htm
    <DESCRIPTION>EX-10.1
    <TEXT>
    Document 2 - file: cbre-ex10_1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-10.2
    <SEQUENCE>3
    <FILENAME>cbre-ex10_2.htm
    <DESCRIPTION>EX-10.2
    <TEXT>
    Document 3 - file: cbre-ex10_2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>4
    <FILENAME>cbre-20250313.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT
    <TEXT>
    Document 4 - file: cbre-20250313.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>6
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 6 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>7
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 7 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>8
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 8 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>9
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 9 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>11
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 11 - file: FilingSummary.html

    Document 11 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>13
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 13 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>14
    <FILENAME>0000950170-25-039555-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 14 - file: 0000950170-25-039555-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>15
    <FILENAME>cbre-20250313_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 15 - file: cbre-20250313_htm.html

    Document 15 - RAW XML: cbre-20250313_htm.xml

    </DOCUMENT>
    </SEC-DOCUMENT>