Acquisitions & Divestitures - (Details) $ in Millions	3 Months Ended
Mar. 31, 2022 USD ($) item	Dec. 31, 2021 USD ($)
Acquisitions
Restricted cash	$ 286	$ 307
2022 Acquisitions
Acquisitions
Percentage of business acquired (as a percent)	100.00%
Cash consideration payable	$ 113
Software and Consulting \| 2022 Acquisitions
Acquisitions
Number of acquisitions \| item	3
Aggregate acquisitions cost	$ 798

Amount cash consideration payable.

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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

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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- Definition

The number of businesses acquired by the entity during the period.

+ References

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Amount of cash restricted as to withdrawal or usage. 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.

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