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Segment and Geographic Information - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | $ 14,208 | $ 12,497 | $ 11,181
Depreciation & Amortization | 1,173 | 1,143 | 1,013
Capital Expenditures | 124 | 143 | 89
Total Assets | 60,221 | 60,589 |
Services transferred at a point in time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 2,986 | 2,093 | 1,807
Services transferred over time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 11,222 | 10,404 | 9,374
Subscription |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 7,346 | 6,963 | 6,201
Non-subscription / Transaction |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 2,986 | 2,093 | 1,807
Non-transaction |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 1,858 | 1,730 | 1,640
Asset-linked fees |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 1,046 | 859 | 862
Sales usage-based royalties |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 393 | 348 | 286
Recurring variable |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 579 | 504 | 385
Reportable Legal Entities |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 14,394 | 12,674 | 11,350
Reportable Legal Entities | Market Intelligence |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 4,645 | 4,376 | 3,811
Reportable Legal Entities | Market Intelligence | Services transferred at a point in time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 184 | 187 | 163
Reportable Legal Entities | Market Intelligence | Services transferred over time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 4,461 | 4,189 | 3,648
Reportable Legal Entities | Market Intelligence | Subscription |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 3,882 | 3,685 | 3,263
Reportable Legal Entities | Market Intelligence | Non-subscription / Transaction |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 184 | 187 | 163
Reportable Legal Entities | Market Intelligence | Non-transaction |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Reportable Legal Entities | Market Intelligence | Asset-linked fees |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Reportable Legal Entities | Market Intelligence | Sales usage-based royalties |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Reportable Legal Entities | Market Intelligence | Recurring variable |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 579 | 504 | 385
Reportable Legal Entities | Ratings |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 4,370 | 3,332 | 3,050
Reportable Legal Entities | Ratings | Services transferred at a point in time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 2,326 | 1,425 | 1,241
Reportable Legal Entities | Ratings | Services transferred over time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 2,044 | 1,907 | 1,809
Reportable Legal Entities | Ratings | Subscription |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Reportable Legal Entities | Ratings | Non-subscription / Transaction |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 2,326 | 1,425 | 1,241
Reportable Legal Entities | Ratings | Non-transaction |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 2,044 | 1,907 | 1,809
Reportable Legal Entities | Ratings | Asset-linked fees |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Reportable Legal Entities | Ratings | Sales usage-based royalties |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Reportable Legal Entities | Ratings | Recurring variable |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Reportable Legal Entities | Commodity Insights |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 2,142 | 1,946 | 1,685
Reportable Legal Entities | Commodity Insights | Services transferred at a point in time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 166 | 158 | 126
Reportable Legal Entities | Commodity Insights | Services transferred over time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 1,976 | 1,788 | 1,559
Reportable Legal Entities | Commodity Insights | Subscription |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 1,873 | 1,707 | 1,492
Reportable Legal Entities | Commodity Insights | Non-subscription / Transaction |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 166 | 158 | 126
Reportable Legal Entities | Commodity Insights | Non-transaction |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Reportable Legal Entities | Commodity Insights | Asset-linked fees |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Reportable Legal Entities | Commodity Insights | Sales usage-based royalties |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 103 | 81 | 67
Reportable Legal Entities | Commodity Insights | Recurring variable |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Reportable Legal Entities | Mobility |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 1,609 | 1,484 | 1,142
Reportable Legal Entities | Mobility | Services transferred at a point in time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 310 | 315 | 254
Reportable Legal Entities | Mobility | Services transferred over time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 1,299 | 1,169 | 888
Reportable Legal Entities | Mobility | Subscription |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 1,299 | 1,169 | 888
Reportable Legal Entities | Mobility | Non-subscription / Transaction |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 310 | 315 | 254
Reportable Legal Entities | Mobility | Non-transaction |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Reportable Legal Entities | Mobility | Asset-linked fees |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Reportable Legal Entities | Mobility | Sales usage-based royalties |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Reportable Legal Entities | Mobility | Recurring variable |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Reportable Legal Entities | Indices |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 1,628 | 1,403 | 1,339
Reportable Legal Entities | Indices | Services transferred at a point in time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Reportable Legal Entities | Indices | Services transferred over time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 1,628 | 1,403 | 1,339
Reportable Legal Entities | Indices | Subscription |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 292 | 277 | 258
Reportable Legal Entities | Indices | Non-subscription / Transaction |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Reportable Legal Entities | Indices | Non-transaction |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Reportable Legal Entities | Indices | Asset-linked fees |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 1,046 | 859 | 862
Reportable Legal Entities | Indices | Sales usage-based royalties |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 290 | 267 | 219
Reportable Legal Entities | Indices | Recurring variable |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Reportable Legal Entities | Engineering Solutions |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 133 | 323
Reportable Legal Entities | Engineering Solutions | Services transferred at a point in time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 8 | 23
Reportable Legal Entities | Engineering Solutions | Services transferred over time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 125 | 300
Reportable Legal Entities | Engineering Solutions | Subscription |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 125 | 300
Reportable Legal Entities | Engineering Solutions | Non-subscription / Transaction |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 8 | 23
Reportable Legal Entities | Engineering Solutions | Non-transaction |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Reportable Legal Entities | Engineering Solutions | Asset-linked fees |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Reportable Legal Entities | Engineering Solutions | Sales usage-based royalties |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Reportable Legal Entities | Engineering Solutions | Recurring variable |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Operating Segments |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 14,208 | 12,497 | 11,181
Depreciation & Amortization | 1,160 | 1,129 | 992
Capital Expenditures | 118 | 139 | 82
Total Assets | 55,592 | 56,178 |
Operating Segments | Market Intelligence |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 4,633 | 4,365 | 3,797
Depreciation & Amortization | 627 | 597 | 509
Capital Expenditures | 61 | 73 | 43
Total Assets | 29,478 | 29,674 |
Operating Segments | Ratings |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 4,207 | 3,177 | 2,906
Depreciation & Amortization | 37 | 37 | 46
Capital Expenditures | 29 | 24 | 23
Total Assets | 1,056 | 1,041 |
Operating Segments | Commodity Insights |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Depreciation & Amortization | 137 | 137 | 115
Capital Expenditures | 7 | 7 | 4
Total Assets | 8,636 | 8,746 |
Operating Segments | Mobility |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Depreciation & Amortization | 317 | 314 | 248
Capital Expenditures | 18 | 22 | 6
Total Assets | 13,222 | 13,495 |
Operating Segments | Indices |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 1,617 | 1,392 | 1,328
Depreciation & Amortization | 42 | 42 | 39
Capital Expenditures | 3 | 13 | 2
Total Assets | 3,200 | 3,222 |
Operating Segments | Engineering Solutions |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 133 | 323
Depreciation & Amortization | 0 | 2 | 35
Capital Expenditures | 0 | 0 | 4
Elimination |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | (186) | (177) | (169)
Elimination | Services transferred at a point in time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Elimination | Services transferred over time |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | (186) | (177) | (169)
Elimination | Subscription |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Elimination | Non-subscription / Transaction |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Elimination | Non-transaction |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | (186) | (177) | (169)
Elimination | Asset-linked fees |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Elimination | Sales usage-based royalties |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Elimination | Recurring variable |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Elimination | Market Intelligence |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | (12) | (11) | (14)
Elimination | Ratings |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | (163) | (155) | (144)
Elimination | Indices |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | (11) | (11) | (11)
Elimination | Engineering Solutions |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenue | 0 | 0 | 0
Corporate |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Depreciation & Amortization | 13 | 14 | 21
Capital Expenditures | 6 | 4 | $ 7
Total Assets | $ 4,629 | $ 4,411 |

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