Consolidated Statement Of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Operating activities [Abstract]
Net income	$ 101	$ 111
Depreciation	73	64
Amortization	4	3
Amortization of deferred financing charges	1	1
Earnings of affiliates, net of dividends received	(5)	(5)
Stock compensation expense	5	4
Deferred income taxes	(14)	12
Pension contributions, net	4
Change in working capital	(175)	(216)
Other, net	(10)	(2)
Net cash used in operating activities	(16)	(28)
Investing activities [Abstract]
Purchases of property, plant and equipment	(98)	(65)
Acquisition of businesses, net of cash acquired	(606)
Purchases of marketable securities	(5)	(17)
Proceeds from sales of marketable securities		4
Proceeds from maturities of marketable securities	6	11
Settlements of undesignated derivatives	(20)
Other, net	(1)
Net cash used in investing activities	(724)	(67)
Financing activities [Abstract]
Net change in short-term debt	(2)	(7)
Proceeds from long-term debt	675
Repayment of long-term debt	(9)	(1)
Deferred financing payments	(12)
Dividends paid to common stockholders	(14)	(15)
Distributions to noncontrolling interests	(1)	(1)
Contributions from noncontrolling interests	1
Repurchase of common stock	(25)
Other, net	(3)	(4)
Net cash provided by (used in) financing activities	610	(28)
Net decrease in cash, cash equivalents and restricted cash	(130)	(123)
Cash, cash equivalents and restricted cash - beginning of period	520	610
Effect of exchange rate changes on cash balances	5	14
Less: Cash contributed to disposal group		(10)
Cash, cash equivalents and restricted cash - end of period	395	491
Non-cash investing activity [Abstract]
Purchases of property, plant and equipment held in accounts payable	$ 84	$ 81