Income Taxes - Reconciliation of Beginning and Ending Amount of Unrecognized Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning balance of unrecognized tax benefits	$ 247	$ 229	$ 188
Additions/(reductions) related to acquisitions	25	0
Additions/(reductions) related to acquisitions			(1)
Additions based on tax positions taken in current year	31	30	41
Additions based on tax positions taken in prior years	33	0	3
Reductions based on tax positions taken in prior years	(18)	(3)	(2)
Reductions resulting from statute of limitation lapses	(7)	(9)	0
Reductions related to settlements with taxing authorities	(43)	0	0
Ending balance of unrecognized tax benefits	$ 268	$ 247	$ 229