Segment and Related Information - Schedule of Operating Results (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Disaggregation of Revenue [Line Items]
Revenue	$ 3,777	$ 3,491
Operating profit	1,578	1,385
Equity in income on unconsolidated subsidiaries	(11)	(6)
Other expense, net	4	(9)
Interest expense, net	78	78
Income before taxes on income	1,496	1,316
Reportable Legal Entities
Disaggregation of Revenue [Line Items]
Revenue	3,825	3,536
Significant expenses	1,890	1,782
Less: other segment items	302	318
Reportable Legal Entities | Market Intelligence
Disaggregation of Revenue [Line Items]
Revenue	1,199	1,142
Significant expenses	805	768
Less: other segment items	174	185
Reportable Legal Entities | Ratings
Disaggregation of Revenue [Line Items]
Revenue	1,149	1,062
Significant expenses	388	375
Less: other segment items	4	8
Reportable Legal Entities | Commodity Insights
Disaggregation of Revenue [Line Items]
Revenue	612	559
Significant expenses	318	295
Less: other segment items	39	38
Reportable Legal Entities | Mobility
Disaggregation of Revenue [Line Items]
Revenue	420	386
Significant expenses	258	239
Less: other segment items	76	77
Reportable Legal Entities | Indices
Disaggregation of Revenue [Line Items]
Revenue	445	387
Significant expenses	121	105
Less: other segment items	9	10
Operating Segments
Disaggregation of Revenue [Line Items]
Revenue	3,777	3,491
Operating profit	1,633	1,436
Operating Segments | Market Intelligence
Disaggregation of Revenue [Line Items]
Revenue	1,196	1,139
Operating profit	220	189
Operating Segments | Ratings
Disaggregation of Revenue [Line Items]
Revenue	1,107	1,022
Operating profit	757	679
Operating Segments | Commodity Insights
Disaggregation of Revenue [Line Items]
Revenue	612	559
Operating profit	255	226
Operating Segments | Mobility
Disaggregation of Revenue [Line Items]
Revenue	420	386
Operating profit	86	70
Operating Segments | Indices
Disaggregation of Revenue [Line Items]
Revenue	442	385
Operating profit	315	272
Intersegment Elimination
Disaggregation of Revenue [Line Items]
Revenue	(48)	(45)
Less: other segment items	(48)	(45)
Intersegment Elimination | Market Intelligence
Disaggregation of Revenue [Line Items]
Revenue	(3)	(3)
Intersegment Elimination | Ratings
Disaggregation of Revenue [Line Items]
Revenue	(42)	(40)
Intersegment Elimination | Commodity Insights
Disaggregation of Revenue [Line Items]
Revenue	0	0
Intersegment Elimination | Mobility
Disaggregation of Revenue [Line Items]
Revenue	0	0
Intersegment Elimination | Indices
Disaggregation of Revenue [Line Items]
Revenue	(3)	(2)
Corporate Unallocated expense
Disaggregation of Revenue [Line Items]
Operating profit	$ 66	$ 57