Debt Instrument, Principal Amount Issued, Percentage Of Face Value

No definition available.

Name:	cbre_DebtInstrumentPrincipalAmountIssuedPercentageOfFaceValue
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- Definition

Debt Instrument, Redemption Price, Discount Rate, Adjustment To Treasury Rate

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Redemption Price Following Change in Control, Percentage

+ References

No definition available.

+ Details

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- Definition

Debt Instrument, Redemption Price, Semi-Annual Basis Adjustment, Percent

+ References

No definition available.

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- Definition

Line of Credit Facility, Accordion Feature, Increase Limit

+ References

No definition available.

+ Details

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Period Type:	instant

- Definition

Maximum leverage ratio during first four quarter that qualified acquisition is consummated.

+ References

No definition available.

+ Details

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- Definition

This element represents the maximum ratio of debt less available cash to earnings before interest, taxes, depreciation and amortization (EBITDA) allowed in the reporting entity's credit agreement.

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

This element represents the minimum ratio of earnings before interest, taxes, depreciation and amortization (EBITDA) to total interest expense required in the reporting entity's credit agreement.

+ References

No definition available.

+ Details

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- Definition

The percentage of long term debt outstanding that may be redeemed.

+ References

No definition available.

+ Details

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Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

+ Details

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Period Type:	instant

- Definition

The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Long-Term Debt and Short-Term Borrowings - Narrative (Details) £ in Millions							9 Months Ended
	Feb. 23, 2024 USD ($)	Jul. 10, 2023 USD ($)	Jun. 23, 2023 USD ($)	Aug. 05, 2022 USD ($)	Mar. 18, 2021 USD ($)	Aug. 13, 2015 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2024 EUR (€)	Dec. 31, 2023 USD ($)	Dec. 31, 2023 GBP (£)	Jul. 10, 2023 EUR (€)	Mar. 31, 2022 EUR (€)
Debt Instrument [Line Items]
Total long-term debt							$ 3,325,000,000		$ 2,824,000,000
Letters of credit outstanding amount							269,000,000
Revolving credit facility							683,000,000		0
2023 Credit Agreement with Wells Fargo
Debt Instrument [Line Items]
Interest rate		0.10%									0.10%
Minimum coverage ratio of EBITDA to total interest expense expressed in percentage		2.00%
Maximum leverage ratio of total debt less available cash to EBITDA expressed in percentage		4.25%
Maximum leverage ratio during first four quarter that qualified acquisition is consummated		4.75%
2023 Credit Agreement with Wells Fargo \| Euro Term Loan Facility
Debt Instrument [Line Items]
Total long-term debt							408,000,000
2023 Credit Agreement with Wells Fargo \| U.S. Dollar Term Loan
Debt Instrument [Line Items]
Total long-term debt							$ 348,000,000
2023 Credit Agreement with Wells Fargo \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap
Debt Instrument [Line Items]
Variable rate (as a percent)		1.00%
2023 Credit Agreement with Wells Fargo \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap \| U.S. Dollar Term Loan \| Minimum
Debt Instrument [Line Items]
Interest rate							1.25%	1.25%
2023 Credit Agreement with Wells Fargo \| Europe Interbank Offered Rate (EURIBOR) \| Euro Term Loan Facility \| Minimum
Debt Instrument [Line Items]
Interest rate							1.25%	1.25%
2023 Credit Agreement with Wells Fargo \| Fed Funds Effective Rate Overnight Index Swap Rate
Debt Instrument [Line Items]
Variable rate (as a percent)		0.50%
2023 Credit Agreement with Wells Fargo \| Unsecured Debt
Debt Instrument [Line Items]
Debt agreement term		5 years
2023 Credit Agreement with Wells Fargo, Tranche A Euro Denominated Term Loan \| Unsecured Debt
Debt Instrument [Line Items]
Aggregate principal amount \| €											€ 367,000,000
2023 Credit Agreement with Wells Fargo, Tranche A, US Dollar Denominated Term Loan \| Unsecured Debt
Debt Instrument [Line Items]
Aggregate principal amount		$ 350,000,000
Revolving Credit Agreement \| Senior Notes
Debt Instrument [Line Items]
Minimum coverage ratio of EBITDA to total interest expense expressed in percentage				2.00%
Maximum leverage ratio of total debt less available cash to EBITDA expressed in percentage				4.25%
Maximum leverage ratio during first four quarter that qualified acquisition is consummated				4.75%
Revolving Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Debt agreement term				5 years
Interest rate				0.10%
Amounts available to borrow under credit agreement				$ 3,500,000,000
Revolving Credit Agreement \| Revolving Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Letters of credit outstanding amount				$ 300,000,000
Revolving Credit Agreement \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap \| Revolving Credit Facility
Debt Instrument [Line Items]
Variable rate (as a percent)				1.00%
Revolving Credit Agreement \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap \| Revolving Credit Facility \| Minimum
Debt Instrument [Line Items]
Variable rate (as a percent)				0.63%
Revolving Credit Agreement \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap \| Revolving Credit Facility \| Maximum
Debt Instrument [Line Items]
Variable rate (as a percent)				1.10%
Revolving Credit Agreement \| Base Rate \| Revolving Credit Facility \| Minimum
Debt Instrument [Line Items]
Variable rate (as a percent)				0.00%
Revolving Credit Agreement \| Base Rate \| Revolving Credit Facility \| Maximum
Debt Instrument [Line Items]
Variable rate (as a percent)				0.10%
Revolving Credit Agreement \| Fed Funds Effective Rate Overnight Index Swap Rate \| Revolving Credit Facility
Debt Instrument [Line Items]
Variable rate (as a percent)				0.50%
5.950% senior notes \| Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount			$ 1,000,000,000
Interest rate							5.95%	5.95%
Percentage of face value			98.174%
5.950% senior notes \| Senior Notes \| On Or After January 1, 2031
Debt Instrument [Line Items]
Redemption price percentage			100.00%
5.950% senior notes \| Senior Notes \| US Treasury (UST) Interest Rate
Debt Instrument [Line Items]
Semi-annual basis adjustment (basis points)							0.40%
5.500% senior notes \| Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount	$ 500,000,000
Interest rate							5.50%	5.50%
Total long-term debt							$ 496,000,000		0
Percentage of face value	99.837%
5.500% senior notes \| Senior Notes \| On Or After January 1, 2031
Debt Instrument [Line Items]
Redemption price percentage	100.00%
5.500% senior notes \| Senior Notes \| US Treasury (UST) Interest Rate
Debt Instrument [Line Items]
Semi-annual basis adjustment (basis points)							0.20%
2.500% senior notes \| Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount					$ 500,000,000
Interest rate							2.50%	2.50%
Total long-term debt							$ 495,000,000		494,000,000
Percentage of face value					98.451%
4.875% senior notes \| Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount						$ 600,000,000
Interest rate							4.875%	4.875%
Total long-term debt							$ 599,000,000		599,000,000
Redemption price percentage						99.24%
2019 Credit Agreement \| Revolving Credit Facility
Debt Instrument [Line Items]
Revolving credit facility							683,000,000		0
2019 Credit Agreement \| Revolving Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Letters of credit outstanding amount							10,000,000
2027 Credit Agreement \| Revolving Credit Facility \| Turner & Townsend
Debt Instrument [Line Items]
Amounts available to borrow under credit agreement \| €												€ 120,000,000
Revolving credit facility							$ 0
Additional accordion option \| €								€ 20,000,000
Two Point Five Percent Senior Notes \| Senior Notes
Debt Instrument [Line Items]
Adjustment to treasury rate					0.20%
Two Point Five Percent Senior Notes \| Senior Notes \| On Or After January 1, 2031
Debt Instrument [Line Items]
Redemption price percentage					100.00%
Four Point Eight Seven Five Senior Notes \| Senior Notes
Debt Instrument [Line Items]
Percentage of long term debt available for redemption						100.00%
Redemption price percentage, following change in control						101.00%
Revolving Credit Facility, Maturity Date January 31, 2024 \| Revolving Credit Facility \| Turner & Townsend
Debt Instrument [Line Items]
Revolving credit facility									$ 10,000,000	£ 8.0