Consolidated Statement Of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Operating activities [Abstract]
Net income	$ 48	$ 74
Depreciation	41	39
Amortization of intangibles	2	6
Amortization of deferred financing charges	$ 1	1
Call premium on senior notes		2
Earnings of affiliates, net of dividends received	$ 2	1
Stock compensation expense	2	3
Deferred income taxes	4	5
Pension contributions, net	(7)	(5)
Change in working capital	(128)	(141)
Other, net	8	(5)
Net cash used in operating activities	(27)	(20)
Investing activities [Abstract]
Purchases of property, plant and equipment	(71)	(62)
Acquisition of business	(18)
Purchases of marketable securities	(12)	(11)
Proceeds from sales of marketable securities	3	10
Proceeds from maturities of marketable securities	8	6
Other	(2)	(2)
Net cash used in investing activities	(92)	(59)
Financing activities [Abstract]
Net change in short-term debt	$ 11	6
Repayment of letters of credit		(4)
Proceeds from long-term debt	$ 32	18
Repayment of long-term debt	$ (24)	(56)
Call premium on senior notes		$ (2)
Dividends paid to common stockholders	$ (9)
Distributions to noncontrolling interests	(1)	$ (1)
Repurchases of common stock	(28)	(63)
Other	(1)	(2)
Net cash used in financing activities	(20)	(104)
Net decrease in cash and cash equivalents	(139)	(183)
Cash and cash equivalents - beginning of period	791	1,121
Effect of exchange rate changes on cash balances	17	(53)
Cash and cash equivalents – end of period	$ 669	$ 885