Deferred Revenue (Estimated Deferred Revenue) (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Fiscal Year Ended [Abstract]
2023	$ 357
2024	41
2025	23
2026	18
2027	8
2028+	1
Total	448	$ 448
Market Technology
Fiscal Year Ended [Abstract]
2023	28
2024	1
2025	0
2026	0
2027	0
2028+	0
Total	29	36
Initial Listings
Fiscal Year Ended [Abstract]
2023	40
2024	30
2025	20
2026	17
2027	8
2028+	1
Total	116	145
Annual Listings
Fiscal Year Ended [Abstract]
2023	2
2024	0
2025	0
2026	0
2027	0
2028+	0
Total	2	2
Workflow & Insights
Fiscal Year Ended [Abstract]
2023	169
2024	3
2025	0
2026	0
2027	0
2028+	0
Total	172	159
Anti-Financial Crime
Fiscal Year Ended [Abstract]
2023	106
2024	2
2025	0
2026	0
2027	0
2028+	0
Total	108	81
Other
Fiscal Year Ended [Abstract]
2023	12
2024	5
2025	3
2026	1
2027	0
2028+	0
Total	$ 21	$ 25

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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Fiscal Year Ended [Abstract]

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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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