CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net income	$ 208	$ 217
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	116	107
Provision (credit) for credit losses	1	(1)
Deferred income tax benefit	(18)	(4)
Stock-based compensation expense	22	24
Other, net	11	3
Changes in operating assets and liabilities:
Accounts receivable	(114)	(58)
Accounts payable and accrued expenses	(152)	(211)
Income taxes payable	42	11
Other assets and liabilities, net	38	6
Net cash provided by operating activities	154	94
Cash flows from investing activities:
Business acquisitions, net of cash acquired	(142)	(31)
Capital expenditures	(104)	(127)
Other investing activities	33	0
Net cash used in investing activities	(213)	(158)
Cash flows from financing activities:
Proceeds from borrowings	0	140
Repayments of debt	0	(140)
Exercise of stock options	12	25
Employee payroll tax withholdings on stock issued under stock-based compensation plans	(23)	(28)
Dividends paid	(79)	(74)
Distributions to noncontrolling interest partners	(11)	(14)
Other financing activities, net	(52)	15
Net cash used in financing activities	(153)	(76)
Net change in cash and cash equivalents and restricted cash	(212)	(140)
Cash and cash equivalents and restricted cash, beginning of period	686	315
Cash and cash equivalents and restricted cash, end of period	$ 474	$ 175