Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Operating activities
Net income (loss)	$ 171	$ (90)
Depreciation	272	257
Amortization	18	15
Amortization of deferred financing charges	5	6
Redemption premium on debt	21
Write-off of deferred financing costs	3	5
Earnings of affiliates, net of dividends received	(11)	5
Stock compensation expense	15	5
Deferred income taxes	8	(28)
Pension expense, net		3
Impairment of goodwill		51
Change in working capital	(501)	(50)
Other, net	18	16
Net cash provided by operating activities	19	195
Investing activities
Purchases of property, plant and equipment	(228)	(181)
Acquisition of businesses, net of cash acquired	(18)	(6)
Investments in affiliates	(23)	(4)
Proceeds from sale of subsidiary, net of cash disposed	(4)
Purchases of marketable securities	(25)	(36)
Proceeds from sales of marketable securities	30	5
Proceeds from maturities of marketable securities	27	27
Other, net	5	7
Net cash used in investing activities	(260)	(193)
Financing activities
Net change in short-term debt	43	(2)
Proceeds from long-term debt	802	512
Repayment of long-term debt	(805)	(12)
Redemption premium on debt	(21)
Deferred financing payments	(13)	(13)
Dividends paid to common stockholders	(44)	(15)
Distributions to noncontrolling interests	(10)	(10)
Sale of interest to noncontrolling shareholder		7
Contributions from noncontrolling interests	6	3
Deconsolidation of non-wholly owned subsidiary	(6)
Payments to acquire noncontrolling interests		(1)
Repurchases of common stock	(23)
Other, net		(3)
Net cash provided by (used in) financing activities	(71)	466
Net increase (decrease) in cash, cash equivalents and restricted cash	(312)	468
Cash, cash equivalents and restricted cash – beginning of period	567	518
Effect of exchange rate changes on cash balances	(16)	(20)
Cash, cash equivalents and restricted cash – end of period (Note 5)	239	966
Non-cash investing activity
Purchases of property, plant and equipment held in accounts payable	75	54
Not Designated as Hedging Instrument [Member]
Investing activities
Settlements of derivatives	(2)	$ (5)
Currency Swap [Member]
Investing activities
Settlements of derivatives	$ (22)