v3.25.4
Segment and Geographic Information - Schedule of Disaggregation of Revenue (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disaggregation of Revenue [Line Items]      
Total revenue $ 15,336 $ 14,208 $ 12,497
Depreciation & Amortization 1,179 1,173 1,143
Capital Expenditures 195 124 143
Total Assets 61,200 60,221  
Assets held for sale 196 0  
Services transferred at a point in time      
Disaggregation of Revenue [Line Items]      
Total revenue 3,144 2,986 2,093
Services transferred over time      
Disaggregation of Revenue [Line Items]      
Total revenue 12,192 11,222 10,404
Subscription      
Disaggregation of Revenue [Line Items]      
Total revenue 7,865 7,346 6,963
Non-subscription / Transaction      
Disaggregation of Revenue [Line Items]      
Total revenue 3,144 2,986 2,093
Non-transaction      
Disaggregation of Revenue [Line Items]      
Total revenue 2,054 1,858 1,730
Asset-linked fees      
Disaggregation of Revenue [Line Items]      
Total revenue 1,206 1,046 859
Sales usage-based royalties      
Disaggregation of Revenue [Line Items]      
Total revenue 444 393 348
Recurring variable      
Disaggregation of Revenue [Line Items]      
Total revenue 623 579 504
Reportable Legal Entities      
Disaggregation of Revenue [Line Items]      
Total revenue 15,536 14,394 12,674
Reportable Legal Entities | Market Intelligence      
Disaggregation of Revenue [Line Items]      
Total revenue 4,916 4,645 4,376
Reportable Legal Entities | Market Intelligence | Services transferred at a point in time      
Disaggregation of Revenue [Line Items]      
Total revenue 186 184 187
Reportable Legal Entities | Market Intelligence | Services transferred over time      
Disaggregation of Revenue [Line Items]      
Total revenue 4,730 4,461 4,189
Reportable Legal Entities | Market Intelligence | Subscription      
Disaggregation of Revenue [Line Items]      
Total revenue 4,107 3,882 3,685
Reportable Legal Entities | Market Intelligence | Non-subscription / Transaction      
Disaggregation of Revenue [Line Items]      
Total revenue 186 184 187
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 623 579 504
Reportable Legal Entities | Ratings      
Disaggregation of Revenue [Line Items]      
Total revenue 4,724 4,370 3,332
Reportable Legal Entities | Ratings | Services transferred at a point in time      
Disaggregation of Revenue [Line Items]      
Total revenue 2,470 2,326 1,425
Reportable Legal Entities | Ratings | Services transferred over time      
Disaggregation of Revenue [Line Items]      
Total revenue 2,254 2,044 1,907
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 2,470 2,326 1,425
Reportable Legal Entities | Ratings | Non-transaction      
Disaggregation of Revenue [Line Items]      
Total revenue 2,254 2,044 1,907
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 | Energy      
Disaggregation of Revenue [Line Items]      
Total revenue 2,299 2,142 1,946
Reportable Legal Entities | Energy | Services transferred at a point in time      
Disaggregation of Revenue [Line Items]      
Total revenue 163 166 158
Reportable Legal Entities | Energy | Services transferred over time      
Disaggregation of Revenue [Line Items]      
Total revenue 2,136 1,976 1,788
Reportable Legal Entities | Energy | Subscription      
Disaggregation of Revenue [Line Items]      
Total revenue 2,016 1,873 1,707
Reportable Legal Entities | Energy | Non-subscription / Transaction      
Disaggregation of Revenue [Line Items]      
Total revenue 163 166 158
Reportable Legal Entities | Energy | Non-transaction      
Disaggregation of Revenue [Line Items]      
Total revenue 0 0 0
Reportable Legal Entities | Energy | Asset-linked fees      
Disaggregation of Revenue [Line Items]      
Total revenue 0 0 0
Reportable Legal Entities | Energy | Sales usage-based royalties      
Disaggregation of Revenue [Line Items]      
Total revenue 120 103 81
Reportable Legal Entities | Energy | Recurring variable      
Disaggregation of Revenue [Line Items]      
Total revenue 0 0 0
Reportable Legal Entities | Mobility      
Disaggregation of Revenue [Line Items]      
Total revenue 1,747 1,609 1,484
Reportable Legal Entities | Mobility | Services transferred at a point in time      
Disaggregation of Revenue [Line Items]      
Total revenue 325 310 315
Reportable Legal Entities | Mobility | Services transferred over time      
Disaggregation of Revenue [Line Items]      
Total revenue 1,422 1,299 1,169
Reportable Legal Entities | Mobility | Subscription      
Disaggregation of Revenue [Line Items]      
Total revenue 1,422 1,299 1,169
Reportable Legal Entities | Mobility | Non-subscription / Transaction      
Disaggregation of Revenue [Line Items]      
Total revenue 325 310 315
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 1,850 1,628 1,403
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 1,850 1,628 1,403
Reportable Legal Entities | Indices | Subscription      
Disaggregation of Revenue [Line Items]      
Total revenue 320 292 277
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 1,206 1,046 859
Reportable Legal Entities | Indices | Sales usage-based royalties      
Disaggregation of Revenue [Line Items]      
Total revenue 324 290 267
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 0 133
Reportable Legal Entities | Engineering Solutions | Services transferred at a point in time      
Disaggregation of Revenue [Line Items]      
Total revenue 0 0 8
Reportable Legal Entities | Engineering Solutions | Services transferred over time      
Disaggregation of Revenue [Line Items]      
Total revenue 0 0 125
Reportable Legal Entities | Engineering Solutions | Subscription      
Disaggregation of Revenue [Line Items]      
Total revenue 0 0 125
Reportable Legal Entities | Engineering Solutions | Non-subscription / Transaction      
Disaggregation of Revenue [Line Items]      
Total revenue 0 0 8
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 15,336 14,208 12,497
Depreciation & Amortization 1,164 1,160 1,129
Capital Expenditures 185 118 139
Total Assets 57,266 55,592  
Operating Segments | Market Intelligence      
Disaggregation of Revenue [Line Items]      
Total revenue 4,902 4,633 4,365
Depreciation & Amortization 631 627 597
Capital Expenditures 78 61 73
Total Assets 31,234 29,478  
Operating Segments | Ratings      
Disaggregation of Revenue [Line Items]      
Total revenue 4,549 4,207 3,177
Depreciation & Amortization 32 37 37
Capital Expenditures 64 29 24
Total Assets 1,137 1,056  
Operating Segments | Energy      
Disaggregation of Revenue [Line Items]      
Total revenue 2,299 2,142 1,946
Depreciation & Amortization 138 137 137
Capital Expenditures 11 7 7
Total Assets 8,543 8,636  
Operating Segments | Mobility      
Disaggregation of Revenue [Line Items]      
Depreciation & Amortization 320 317 314
Capital Expenditures 28 18 22
Total Assets 12,974 13,222  
Operating Segments | Indices      
Disaggregation of Revenue [Line Items]      
Total revenue 1,839 1,617 1,392
Depreciation & Amortization 43 42 42
Capital Expenditures 4 3 13
Total Assets 3,378 3,200  
Operating Segments | Engineering Solutions      
Disaggregation of Revenue [Line Items]      
Total revenue 0 0 133
Depreciation & Amortization 0 0 2
Capital Expenditures 0 0 0
Elimination      
Disaggregation of Revenue [Line Items]      
Total revenue (200) (186) (177)
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 (200) (186) (177)
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 (200) (186) (177)
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 (14) (12) (11)
Elimination | Ratings      
Disaggregation of Revenue [Line Items]      
Total revenue (175) (163) (155)
Elimination | Energy      
Disaggregation of Revenue [Line Items]      
Total revenue 0 0 0
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 15 13 14
Capital Expenditures 10 6 $ 4
Total Assets $ 3,738 $ 4,629