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Restructuring Activities (Tables)

12 Months Ended

Dec. 31, 2024

Restructuring and Related Activities [Abstract]

Summary of Transformation Initiative Costs

The following tables present the detail of expenses incurred by segment (dollars in millions):

			Year Ended December 31, 2024
			Advisory Services						Global Workplace Solutions						Real Estate Investments						Corporate						Consolidated
Employee separation benefits			$	40					$	65					$	3					$	71					$	179
Professional fees and other			—						—						—						80						80
Total			$	40					$	65					$	3					$	151					$	259

			Year Ended December 31, 2023
			Advisory Services						Global Workplace Solutions						Real Estate Investments						Corporate						Consolidated
Employee separation benefits			$	26					$	32					$	13					$	11					$	82
Lease exit costs			39						1						4						1						45
Professional fees and other			7						19						4						2						32
Subtotal			72						52						21						14						159
Depreciation expense			6						—						3						—						9
Total			$	78					$	52					$	24					$	14					$	168

			Year Ended December 31, 2022
			Advisory Services						Global Workplace Solutions						Real Estate Investments						Corporate						Consolidated
Employee separation benefits			$	33					$	20					$	9					$	19					$	81
Lease exit costs			10						3						—						—						13
Professional fees and other			3						5						3						13						24
Subtotal			46						28						12						32						118
Depreciation expense			5						3						—						—						8
Total			$	51					$	31					$	12					$	32					$	126

Schedule of Liability Balance Associated with major Cash-based Charges

The following table shows ending liability balances associated with major cash-based charges (dollars in millions):

			Employee separation benefits						Professional fees and other
Balance at December 31, 2022			$	37					$	10
Expense incurred			82						32
Payments made			(106)						(42)
Balance at December 31, 2023			13						—
Expense incurred			179						79
Payments made			(146)						(79)
Balance at December 31, 2024			$	46					$	—

X

- References

No definition available.

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- Definition

Tabular disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.P.3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479823/420-10-S99-1

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-SubTopic 10
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-Name Accounting Standards Codification
-Topic 420
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-Section 50
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- Definition

Tabular disclosure of an entity's restructuring reserve that occurred during the period associated with the exit from or disposal of business activities or restructurings for each major type of cost. This element may also include a description of any reversal and other adjustment made during the period to the amount of an accrued liability for restructuring activities. This element may be used to encapsulate the roll forward presentations of an entity's restructuring reserve by type of cost and in total, and explanation of changes that occurred in the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4.b.2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2

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-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482017/420-10-50-1

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