Consolidated Statement Of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Operating activities [Abstract]
Net income	$ 153	$ 103
Depreciation	104	84
Amortization of intangibles	6	4
Amortization of deferred financing charges	3	2
Call premium on debt	5	12
Write-off of deferred financing costs	1	5
Earnings of affiliates, net of dividends received	(2)	3
Stock compensation expense	10	7
Deferred income taxes	5	5
Pension contributions, net	(3)	(9)
Gain on sale of subsidiary	(3)
Change in working capital	(104)	(83)
Other, net	5	7
Net cash provided by operating activities	180	140
Investing activities [Abstract]
Purchases of property, plant and equipment	(169)	(130)
Acquisition of businesses, net of cash acquired	(184)	(18)
Purchases of marketable securities	(17)	(25)
Proceeds from sales of marketable securities	1	4
Proceeds from maturities of marketable securities	13	22
Proceeds from sale of subsidiary	3
Other	1	(3)
Net cash used in investing activities	(352)	(150)
Financing activities [Abstract]
Net change in short-term debt	(79)	12
Proceeds from long-term debt	400	441
Repayment of long-term debt	(288)	(376)
Call premium on debt	(5)	(12)
Deferred financing payments	(6)	(10)
Dividends paid to common stockholders	(17)	(18)
Distributions to noncontrolling interests	(3)	(3)
Repurchases of common stock		(81)
Other	1
Net cash provided by (used in) financing activities	3	(47)
Net decrease in cash and cash equivalents	(169)	(57)
Cash and cash equivalents - beginning of period	707	791
Effect of exchange rate changes on cash balances	30	11
Cash and cash equivalents – end of period	568	745
Non-cash investing activity [Abstract]
Purchases of property, plant and equipment held in accounts payable	$ 113	$ 64