Consolidated Statement Of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Operating activities [Abstract]
Net income (loss)	$ 35	$ 238
Depreciation	153	124
Amortization	8	5
Amortization of deferred financing charges	3	2
Earnings of affiliates, net of dividends received	3	5
Stock compensation expense	10	9
Deferred income taxes	(105)	(45)
Pension expense, net	207	1
Impairment of indefinite-lived intangible asset		20
Adjustment in fair value of disposal group held for sale		(2)
Change in working capital	(247)	(232)
Other, net	(10)	(12)
Net cash provided by operating activities	57	113
Investing activities [Abstract]
Purchases of property, plant and equipment	(190)	(145)
Acquisition of businesses, net of cash acquired	(654)	(151)
Proceeds from previous acquisition		9
Purchases of marketable securities	(12)	(29)
Proceeds from sales of marketable securities	6	6
Proceeds from maturities of marketable securities	12	23
Settlements of undesignated derivatives	(19)
Other, net	(6)
Net cash used in investing activities	(863)	(287)
Financing activities [Abstract]
Net change in short-term debt	(3)	(5)
Proceeds from long-term debt	675
Repayment of long-term debt	(19)	(2)
Deferred financing payments	(12)
Dividends paid to common stockholders	(29)	(29)
Distributions to noncontrolling interests	(12)	(4)
Contributions from noncontrolling interests	2
Repurchase of common stock	(25)	(25)
Other, net		(5)
Net cash provided by (used in) financing activities	577	(70)
Net decrease in cash, cash equivalents and restricted cash	(229)	(244)
Cash, cash equivalents and restricted cash - beginning of period	520	610
Effect of exchange rate changes on cash balances	7	(13)
Less: Cash contributed to disposal group		(10)
Cash, cash equivalents and restricted cash - end of period	298	343
Non-cash investing activity [Abstract]
Purchases of property, plant and equipment held in accounts payable	$ 88	$ 75