Consolidated Statement Of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Operating activities [Abstract]
Net income	$ 137	$ 127
Depreciation	78	81
Amortization of intangibles	10	27
Amortization of deferred financing charges	2	$ 3
Call premium on senior notes	2
Dividends received in excess of current earnings of affiliates	9	$ 6
Stock compensation expense	8	9
Deferred income taxes	2	(5)
Pension contributions, net	$ (9)	(5)
Interest payment received on payment-in-kind note receivable		40
Change in working capital	$ (108)	(66)
Other, net	(3)	6
Net cash provided by operating activities	128	223
Investing activities [Abstract]
Purchases of property, plant and equipment	$ (122)	(126)
Principal payment received on payment-in-kind note receivable		35
Purchases of marketable securities	$ (26)	(57)
Proceeds from sales of marketable securities	12	1
Proceeds from maturities of marketable securities	16	2
Proceeds from sale of business		9
Other	(3)	3
Net cash used in investing activities	(123)	(133)
Financing activities [Abstract]
Net change in short-term debt	$ 3	(5)
Proceeds from letters of credit		12
Repayment of letters of credit	$ (4)	(6)
Proceeds from long-term debt	18	1
Repayment of long-term debt	(58)	(19)
Call premium on senior notes	$ (2)
Dividends paid to preferred stockholders		(4)
Dividends paid to common stockholders	$ (18)	(16)
Distributions to noncontrolling interests	(3)	(2)
Repurchases of common stock	(126)	$ (113)
Other	1
Net cash used in financing activities	(189)	$ (152)
Net decrease in cash and cash equivalents	(184)	(62)
Cash and cash equivalents - beginning of period	1,121	1,256
Effect of exchange rate changes on cash balances	(43)	(22)
Cash and cash equivalents – end of period	$ 894	$ 1,172