Consolidated Statement of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Operating activities
Net income (loss)	$ 121	$ (135)
Depreciation	180	169
Amortization	12	9
Amortization of deferred financing charges	3	4
Redemption premium on debt	21
Write-off of deferred financing costs	3	5
Earnings of affiliates, net of dividends received	(7)	11
Stock compensation expense	9	3
Deferred income taxes	(28)	(8)
Pension expense, net		2
Impairment of goodwill		51
Change in working capital	(239)	(228)
Other, net	19	(9)
Net cash provided by (used in) operating activities	94	(126)
Investing activities
Purchases of property, plant and equipment	(133)	(121)
Acquisition of businesses, net of cash acquired	(18)	(6)
Proceeds from sale of subsidiary, net of cash disposed	(4)
Purchases of marketable securities	(16)	(15)
Proceeds from sales and maturities of marketable securities	13	13
Other, net	4	(7)
Net cash used in investing activities	(180)	(141)
Financing activities
Net change in short-term debt	(6)	(8)
Proceeds from long-term debt	800	510
Repayment of long-term debt	(803)	(3)
Redemption premium on debt	(21)
Deferred financing payments	(13)	(11)
Dividends paid to common stockholders	(29)	(15)
Distributions to noncontrolling interests	(2)	(3)
Sale of interest to noncontrolling shareholder		7
Contributions from noncontrolling interests	3	2
Payments to acquire noncontrolling interests		(1)
Other, net		(2)
Net cash provided by (used in) financing activities	(71)	476
Net increase (decrease) in cash, cash equivalents and restricted cash	(157)	209
Cash, cash equivalents and restricted cash – beginning of period	567	518
Effect of exchange rate changes on cash balances	(7)	(25)
Cash, cash equivalents and restricted cash – end of period (Note 5)	403	702
Non-cash investing activity
Purchases of property, plant and equipment held in accounts payable	66	57
Not Designated as Hedging Instrument [Member]
Investing activities
Settlements of derivatives	(4)	$ (5)
Currency Swap [Member]
Investing activities
Settlements of derivatives	$ (22)