CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities:
Net income	$ 685	$ 703
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	358	330
Provision for credit losses	4	0
Deferred income tax benefit	(21)	(39)
Stock-based compensation expense	61	58
Other, net	17	12
Changes in operating assets and liabilities:
Accounts receivable	(140)	(86)
Accounts payable and accrued expenses	(102)	(231)
Income taxes payable	31	0
Other assets and liabilities, net	(23)	(2)
Net cash provided by operating activities	870	745
Cash flows from investing activities:
Business acquisitions, net of cash acquired	(1,781)	(611)
Capital expenditures	(302)	(336)
Other investing activities, net	37	0
Net cash used in investing activities	(2,046)	(947)
Cash flows from financing activities:
Proceeds from borrowings	1,846	1,703
Repayments of debt	(302)	(1,426)
Exercise of stock options	52	60
Employee payroll tax withholdings on stock issued under stock-based compensation plans	(24)	(28)
Dividends paid	(247)	(234)
Distributions to noncontrolling interest partners	(35)	(41)
Other financing activities, net	(36)	(4)
Net cash provided by financing activities	1,254	30
Net change in cash and cash equivalents and restricted cash	78	(172)
Cash and cash equivalents and restricted cash, beginning of period	686	315
Cash and cash equivalents and restricted cash, end of period	$ 764	$ 143