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Restructuring (Tables) | 3 Months Ended
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Mar. 31, 2024
Restructuring and Related Activities [Abstract] |
Schedule of Initial Restructuring Charge Recorded and the Ending Reserve Balance | The initial restructuring charge recorded and the ending reserve balance as of March 31, 2024 by segment is as follows:
| 2024 Restructuring Plan |  | 2023 Restructuring Plan
(in millions) | Initial Charge Recorded |  | Ending Reserve Balance |  | Initial Charge Recorded |  | Ending Reserve Balance
Market Intelligence | $ | 31 |  |  | $ | 24 |  |  | $ | 90 |  |  | $ | 41 |
Ratings | 1 |  |  | 1 |  |  | 10 |  |  | 5 |
Commodity Insights | — |  |  | — |  |  | 26 |  |  | 12 |
Mobility | — |  |  | — |  |  | 9 |  |  | 5 |
Indices | 1 |  |  | 1 |  |  | 5 |  |  | 2 |
Corporate | 2 |  |  | 2 |  |  | 43 |  |  | 18 |
Total | $ | 35 |  |  | $ | 28 |  |  | $ | 183 |  |  | $ | 83 |

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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 -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -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 -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 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479823/420-10-S99-2 + Details
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