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Goodwill and Other Intangible Assets - Schedule of Change in Carrying Amount of Goodwill (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | $ 34,850 | $ 34,545
Acquisitions | 245 | 239
Dispositions | (80) |
Other | (98) | 66
Goodwill, ending balance | 34,917 | 34,850
Operating Segments | Market Intelligence |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | 18,183 | 18,110
Acquisitions | 229 | 62
Dispositions | (80) |
Other | (26) | 11
Goodwill, ending balance | 18,306 | 18,183
Operating Segments | Ratings |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | 274 | 257
Acquisitions | 0 | 3
Dispositions | 0 |
Other | (15) | 14
Goodwill, ending balance | 259 | 274
Operating Segments | Commodity Insights |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | 5,538 | 5,522
Acquisitions | 16 | 6
Dispositions | 0 |
Other | (4) | 10
Goodwill, ending balance | 5,550 | 5,538
Operating Segments | Mobility |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | 8,863 | 8,695
Acquisitions | 0 | 168
Dispositions | 0 |
Other | (5) | 0
Goodwill, ending balance | 8,858 | 8,863
Operating Segments | Indices |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | 1,417 | 1,399
Acquisitions | 0 | 0
Dispositions | 0 |
Other | (48) | 18
Goodwill, ending balance | 1,369 | 1,417
Corporate |  |
Goodwill [Roll Forward] |  |
Goodwill, beginning balance | 575 | 562
Acquisitions | 0 | 0
Dispositions | 0 |
Other | 0 | 13
Goodwill, ending balance | $ 575 | $ 575

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