Segment and Geographic Information - Schedule of Operating Results (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
Operating profit	5,580	4,020	4,944
Equity in income on unconsolidated subsidiaries	(43)	(36)	(27)
Other (income) expense, net	(25)	15	(70)
Interest expense, net	297	334	304
Loss on extinguishment of debt	0	0	8
Income before taxes on income	5,308	3,671	4,702
Reportable Legal Entities
Disaggregation of Revenue [Line Items]
Total revenue	14,394	12,674	11,350
Significant expenses	7,354	6,888	6,200
Less: other segment items	1,198	1,300	(756)
Reportable Legal Entities | Market Intelligence
Disaggregation of Revenue [Line Items]
Total revenue	4,645	4,376	3,811
Significant expenses	3,133	2,933	2,568
Less: other segment items	637	729	(1,245)
Reportable Legal Entities | Ratings
Disaggregation of Revenue [Line Items]
Total revenue	4,370	3,332	3,050
Significant expenses	1,617	1,449	1,340
Less: other segment items	46	19	38
Reportable Legal Entities | Commodity Insights
Disaggregation of Revenue [Line Items]
Total revenue	2,142	1,946	1,685
Significant expenses	1,139	1,049	912
Less: other segment items	158	193	182
Reportable Legal Entities | Mobility
Disaggregation of Revenue [Line Items]
Total revenue	1,609	1,484	1,142
Significant expenses	982	908	694
Less: other segment items	315	316	235
Reportable Legal Entities | Indices
Disaggregation of Revenue [Line Items]
Total revenue	1,628	1,403	1,339
Significant expenses	483	436	418
Less: other segment items	42	42	(6)
Reportable Legal Entities | Engineering Solutions
Disaggregation of Revenue [Line Items]
Total revenue	0	133	323
Significant expenses	0	113	268
Less: other segment items	0	1	40
Operating Segments
Disaggregation of Revenue [Line Items]
Total revenue	14,208	12,497	11,181
Operating profit	5,842	4,486	5,906
Operating Segments | Market Intelligence
Disaggregation of Revenue [Line Items]
Total revenue	4,633	4,365	3,797
Operating profit	875	714	2,488
Operating Segments | Ratings
Disaggregation of Revenue [Line Items]
Total revenue	4,207	3,177	2,906
Operating profit	2,707	1,864	1,672
Operating Segments | Commodity Insights
Disaggregation of Revenue [Line Items]
Total revenue	2,142	1,946	1,685
Operating profit	845	704	591
Operating Segments | Mobility
Disaggregation of Revenue [Line Items]
Total revenue	1,609	1,484	1,142
Operating profit	312	260	213
Operating Segments | Indices
Disaggregation of Revenue [Line Items]
Total revenue	1,617	1,392	1,328
Operating profit	1,103	925	927
Operating Segments | Engineering Solutions
Disaggregation of Revenue [Line Items]
Total revenue	0	133	323
Operating profit	0	19	15
Intersegment Elimination
Disaggregation of Revenue [Line Items]
Total revenue	(186)	(177)	(169)
Less: other segment items	(186)	(177)	(169)
Intersegment Elimination | Market Intelligence
Disaggregation of Revenue [Line Items]
Total revenue	(12)	(11)	(14)
Intersegment Elimination | Ratings
Disaggregation of Revenue [Line Items]
Total revenue	(163)	(155)	(144)
Intersegment Elimination | Commodity Insights
Disaggregation of Revenue [Line Items]
Total revenue	0	0	0
Intersegment Elimination | Mobility
Disaggregation of Revenue [Line Items]
Total revenue	0	0	0
Intersegment Elimination | Indices
Disaggregation of Revenue [Line Items]
Total revenue	(11)	(11)	(11)
Intersegment Elimination | Engineering Solutions
Disaggregation of Revenue [Line Items]
Total revenue	0	0	0
Corporate Unallocated
Disaggregation of Revenue [Line Items]
Operating profit	$ 305	$ 502	$ 989