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Revenue from Contracts with Customers (Tables)

3 Months Ended

Mar. 31, 2025

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenue from Contracts with Customers

The following tables represent a disaggregation of revenue from contracts with customers by type of service and/or segment (dollars in millions):

			Three Months Ended March 31, 2025
			Advisory Services						Building Operations & Experience						Project Management						Real Estate Investments						Corporate, other and eliminations						Consolidated
Topic 606 Revenue:
Facilities management			$	—					$	4,769					$	—					$	—					$	—					$	4,769
Project management			—						—						1,632						—						—						1,632
Advisory leasing			862						—						—						—						—						862
Advisory sales			360						—						—						—						—						360
Property management			—						586						—						—						(4)						582
Valuation			183						—						—						—						—						183
Other portfolio services			81						—						—						—						—						81
Commercial mortgage origination (1)			43						—						—						—						—						43
Loan servicing (2)			23						—						—						—						—						23
Investment management			—						—						—						154						—						154
Development services			—						—						—						74						—						74
Topic 606 Revenue			1,552						5,355						1,632						228						(4)						8,763
Out of Scope of Topic 606 Revenue:
Commercial mortgage origination			45						—						—						—						—						45
Loan servicing			97						—						—						—						—						97
Development services (3)			—						—						—						5						—						5
Total Out of Scope of Topic 606 Revenue			142						—						—						5						—						147
Total Revenue			$	1,694					$	5,355					$	1,632					$	233					$	(4)					$	8,910

			Three Months Ended March 31, 2024
			Advisory Services						Building Operations & Experience						Project Management						Real Estate Investments						Corporate, other and eliminations						Consolidated
Topic 606 Revenue:
Facilities management			$	—					$	4,266					$	—					$	—					$	—					$	4,266
Project management			—						—						1,519						—						—						1,519
Advisory leasing			733						—						—						—						—						733
Advisory sales			325						—						—						—						—						325
Property management			—						434						—						—						(6)						428
Valuation			167						—						—						—						—						167
Other portfolio services			93						—						—						—						—						93
Commercial mortgage origination (1)			30						—						—						—						—						30
Loan servicing (2)			35						—						—						—						—						35
Investment management			—						—						—						149						—						149
Development services			—						—						—						77						—						77
Topic 606 Revenue			1,383						4,700						1,519						226						(6)						7,822
Out of Scope of Topic 606 Revenue:
Commercial mortgage origination			28						—						—						—						—						28
Loan servicing			83						—						—						—						—						83
Development services (3)			—						—						—						2						—						2
Total Out of Scope of Topic 606 Revenue			111						—						—						2						—						113
Total Revenue			$	1,494					$	4,700					$	1,519					$	228					$	(6)					$	7,935

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- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-5

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- References

No definition available.

+ Details

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