Deferred Revenue (Estimated Deferred Revenue) (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Fiscal Year Ended [Abstract]
2023	$ 629
2024	64
2025	26
2026	18
2027	9
2028+	2
Total	748	$ 448
Market Technology
Fiscal Year Ended [Abstract]
2023	29
2024	1
2025	0
2026	0
2027	0
2028+	0
Total	30	29
Initial Listings
Fiscal Year Ended [Abstract]
2023	31
2024	31
2025	22
2026	17
2027	9
2028+	2
Total	112	116
Annual Listings
Fiscal Year Ended [Abstract]
2023	272
2024	0
2025	0
2026	0
2027	0
2028+	0
Total	272	2
Workflow & Insights
Fiscal Year Ended [Abstract]
2023	177
2024	16
2025	0
2026	0
2027	0
2028+	0
Total	193	172
Anti-Financial Crime
Fiscal Year Ended [Abstract]
2023	105
2024	10
2025	0
2026	0
2027	0
2028+	0
Total	115	108
Other
Fiscal Year Ended [Abstract]
2023	15
2024	6
2025	4
2026	1
2027	0
2028+	0
Total	$ 26	$ 21

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

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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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Contract With Customer, Liability, Expected To Be Recognized, Remainder Of Fiscal Year

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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