Consolidated Statement Of Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Operating activities [Abstract]
Net income	$ 328	$ 260	$ 315
Depreciation	164	175	190
Amortization of intangibles	49	87	87
Amortization of deferred financing charges	5	5	5
Call premium on senior notes	15
Write off of deferred financing costs	4	4
Unremitted earnings of affiliates	4	(2)	1
Stock compensation expense	16	16	19
Deferred income taxes	(199)	(10)	(80)
Pension expense (contributions), net	30	(60)	(220)
Loss on disposal group held for sale	78
Interest payment received on payment-in-kind note receivable	40	26
Change in working capital	(39)	104	21
Change in other noncurrent assets and liabilities	(16)	(3)	(3)
Other, net	31	(25)	4
Net cash provided by operating activities	510	577	339
Investing activities [Abstract]
Purchases of property, plant and equipment	(234)	(209)	(164)
Acquisition of business		(8)	(12)
Principal payment received on payment-in-kind note receivable	35	33
Purchases of marketable securities	(84)	(84)	(18)
Proceeds from sales of marketable securities	7	28	15
Proceeds from maturities of marketable securities	21	8	6
Proceeds from sale of businesses	9	1	8
Other		9	4
Net cash used in investing activities	(246)	(222)	(161)
Financing activities [Abstract]
Net change in short-term debt	(8)	(14)	4
Proceeds from letters of credit	12
Repayments of letters of credit	(8)
Proceeds from long-term debt	448	817	51
Repayment of long-term debt	(372)	(57)	(32)
Call premium on senior notes	(15)
Deferred financing payments	(7)	(17)
Preferred stock redemption		(474)
Dividends paid to preferred stockholders	(8)	(28)	(31)
Dividends paid to common stockholders	(32)	(30)	(30)
Distributions to noncontrolling interests	(9)	(11)	(11)
Repurchases of common stock	(260)	(337)	(15)
Payments to acquire noncontrolling interests		(7)
Other	5	8	9
Net cash used in financing activities	(254)	(150)	(55)
Net increase in cash and cash equivalents	10	205	123
Cash and cash equivalents - beginning of period	1,256	1,059	931
Effect of exchange rate changes on cash balances	(118)	(8)	5
Less: cash of disposal group held for sale	(27)
Cash and cash equivalents - end of period	$ 1,121	$ 1,256	$ 1,059