Revenue Recognition - Capitalized Sales Commissions and Conversion or Implementation Costs (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Sales Commissions
Capitalized Contract Cost [Line Items]
Capitalized contract costs	$ 496	$ 485
Conversion or Implementation Costs
Capitalized Contract Cost [Line Items]
Capitalized contract costs	$ 472	$ 420

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 340
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479483/340-40-50-3

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Balance Type:	na
Period Type:	duration