CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Statement of Cash Flows [Abstract]
Net income	$ 855	$ 727
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	654	628
Deferred income tax expense	75	208
Stock-based compensation expense	48	47
Impairment and restructuring charges, and acquisition-related costs	84	97
Litigation and investigation costs	28	50
Net gains on sales, consolidation and deconsolidation of facilities	(12)	0
Loss from early extinguishment of debt	11	109
Equity in earnings of unconsolidated affiliates, net of distributions received	5	14
Amortization of debt discount and debt issuance costs	25	23
Pre-tax income from discontinued operations	0	(1)
Net gains from the sale of investments and long-lived assets	(25)	(115)
Other items, net	(1)	12
Changes in cash from operating assets and liabilities:
Accounts receivable	31	(39)
Inventories and other current assets	(49)	89
Income taxes	(46)	(59)
Accounts payable, accrued expenses, contract liabilities and other current liabilities	(38)	(942)
Other long-term liabilities	10	(28)
Payments for restructuring charges, acquisition-related costs, and litigation costs and settlements	(105)	(157)
Net cash used in operating activities from discontinued operations, excluding income taxes	0	(1)
Net cash provided by operating activities	1,550	662
Cash flows from investing activities:
Purchases of property and equipment	(543)	(472)
Purchases of businesses or joint venture interests, net of cash acquired	(110)	(224)
Proceeds from sales of facilities and other assets	38	209
Proceeds from sales of marketable securities, long-term investments and other assets	40	61
Purchases of marketable securities and equity investments	(54)	(68)
Other items, net	(7)	(8)
Net cash used in investing activities	(636)	(502)
Cash flows from financing activities:
Repayments of borrowings	(1,478)	(2,786)
Proceeds from borrowings	1,368	2,020
Repurchases of common stock	(90)	0
Debt issuance costs	(16)	(24)
Distributions paid to noncontrolling interests	(425)	(432)
Proceeds from the sale of noncontrolling interests	37	16
Purchases of noncontrolling interests	(127)	(61)
Other items, net	13	(49)
Net cash used in financing activities	(718)	(1,316)
Net increase (decrease) in cash and cash equivalents	196	(1,156)
Cash and cash equivalents at beginning of period	858	2,364
Cash and cash equivalents at end of period	1,054	1,208
Supplemental disclosures:
Interest paid, net of capitalized interest	(589)	(601)
Income tax payments, net	$ (212)	$ (148)