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Restructuring Activities (Tables) | 9 Months Ended
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Sep. 30, 2024
Restructuring and Related Activities [Abstract] |
Schedule of Expense Incurred By Segments |
| Three Months Ended September 30, 2024
| Advisory Services |  | Global Workplace Solutions |  | Real Estate Investments |  | Corporate |  | Consolidated
Employee separation benefits | $ | 13 |  |  | $ | 11 |  |  | $ | 4 |  |  | $ | 4 |  |  | $ | 32 |
Professional fees and other | — |  |  | — |  |  | — |  |  | 32 |  |  | 32 |
Total | $ | 13 |  |  | $ | 11 |  |  | $ | 4 |  |  | $ | 36 |  |  | $ | 64 |
| Nine Months Ended September 30, 2024
| Advisory Services |  | Global Workplace Solutions |  | Real Estate Investments |  | Corporate |  | Consolidated
Employee separation benefits | $ | 13 |  |  | $ | 40 |  |  | $ | 4 |  |  | $ | 55 |  |  | $ | 112 |
Professional fees and other | — |  |  | — |  |  | — |  |  | 71 |  |  | 71 |
Total | $ | 13 |  |  | $ | 40 |  |  | $ | 4 |  |  | $ | 126 |  |  | $ | 183 |
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, 2023 | $ | 13 |  |  | $ | — |
Expense incurred | 112 |  |  | 58 |
Payments made | (100) |  |  | (33) |
Balance at September 30, 2024 | $ | 25 |  |  | $ | 25 |

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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 Reference 2: 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) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482017/420-10-50-1 + Details
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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 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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