Basis of Presentation and Summary of Significant Accounting Policies - Cash and Cash equivalents (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cash and cash equivalents	$ 434	$ 447	$ 383
Restricted Cash and Cash Equivalents, Current, Statement of Financial Position [Extensible Enumeration]	Restricted cash	Restricted cash
Short term restricted cash	$ 7	$ 0
Long term restricted cash	9		6
Funds held for client	42		41
Cash included in settlement processing assets	253		205
Total cash, cash equivalents and restricted cash	$ 745		$ 635

Cash, Cash Equivalents, Restricted Cash at end of period

No definition available.

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- Definition

Cash included in settlement processing assets included in other current assets

+ References

No definition available.

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- Definition

Restricted Cash Included in Other Assets

+ References

No definition available.

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- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

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- Definition

Carrying amount as of the balance sheet date of the funds held on behalf of others and that are expected to be liquidated within one year or the normal operating cycle, if longer. This does not include funds held under reinsurance agreements.

+ References

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- Definition

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.

+ References

No definition available.

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- Definition

Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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- Definition

Indicates line item in statement of financial position that includes cash and cash equivalents restricted to withdrawal or usage, classified as current.

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