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

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Acquisitions & Divestitures - (Details) - 2023 Acquisitions $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($) item	Dec. 31, 2023 USD ($)
Acquisitions
Percentage of business acquired (as a percent)		100.00%
Cash consideration payable		$ 187
Restricted cash
Acquisitions
Cash to be remitted			$ 173
Expected
Acquisitions
Cash to be remitted	$ 14
Software
Acquisitions
Number of acquisitions \| item		3
Aggregate acquisitions cost		$ 226