Deferred Revenue (Estimated Deferred Revenue) (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Fiscal Year Ended [Abstract]
2026	$ 785
2027	49
2028	21
2029	10
2030	6
2031+	2
Total	873	$ 788
Initial Listings
Fiscal Year Ended [Abstract]
2026	39
2027	26
2028	14
2029	9
2030	6
2031+	2
Total	96	89
Annual Listings
Fiscal Year Ended [Abstract]
2026	3
2027	0
2028	0
2029	0
2030	0
2031+	0
Total	3	2
Workflow & Insights
Fiscal Year Ended [Abstract]
2026	196
2027	3
2028	0
2029	0
2030	0
2031+	0
Total	199	194
Other
Fiscal Year Ended [Abstract]
2026	13
2027	7
2028	4
2029	0
2030	0
2031+	0
Total	24	22
Financial Crime Management Technology
Fiscal Year Ended [Abstract]
2026	186
2027	3
2028	0
2029	0
2030	0
2031+	0
Total	189	148
Regulatory Technology
Fiscal Year Ended [Abstract]
2026	163
2027	3
2028	0
2029	0
2030	0
2031+	0
Total	166	147
Capital Markets Technology
Fiscal Year Ended [Abstract]
2026	185
2027	7
2028	3
2029	1
2030	0
2031+	0
Total	$ 196	$ 186

Contract With Customer, Liability, Expected To Be Recognized After Year Five

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Contract With Customer, Liability, Expected To Be Recognized In Year Five

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Contract With Customer, Liability, Expected To Be Recognized In Year Four

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Contract With Customer, Liability, Expected To Be Recognized In Year One

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Contract With Customer, Liability, Expected To Be Recognized In Year Three

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Contract With Customer, Liability, Expected To Be Recognized In Year Two

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Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
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