Condensed Consolidated Income Statements (Unaudited) (USD $) In Millions, except Share data in Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Income Statement [Abstract]
Revenue	$ 837us-gaap_SalesRevenueNet	$ 906us-gaap_SalesRevenueNet
Cost of revenue	522us-gaap_CostOfRevenue	564us-gaap_CostOfRevenue
Gross profit	315us-gaap_GrossProfit	342us-gaap_GrossProfit
Selling, general and administrative expenses	206	224
Research and development expenses	23us-gaap_ResearchAndDevelopmentExpense	27us-gaap_ResearchAndDevelopmentExpense
Restructuring charges	3	15
Operating income	83us-gaap_OperatingIncomeLoss	76us-gaap_OperatingIncomeLoss
Interest expense	14us-gaap_InterestExpense	14us-gaap_InterestExpense
Other non-operating (expense), net	(1)us-gaap_OtherNonoperatingIncomeExpense	(1)us-gaap_OtherNonoperatingIncomeExpense
Gain from sale of businesses	9us-gaap_GainLossOnSaleOfBusiness	0us-gaap_GainLossOnSaleOfBusiness
Income before taxes	77	61
Income tax expense	13us-gaap_IncomeTaxExpenseBenefit	12us-gaap_IncomeTaxExpenseBenefit
Net income	$ 64us-gaap_NetIncomeLoss	$ 49us-gaap_NetIncomeLoss
Earnings per share:
Basic (usd per share)	$ 0.35us-gaap_EarningsPerShareBasic	$ 0.27us-gaap_EarningsPerShareBasic
Diluted (usd per share)	$ 0.35us-gaap_EarningsPerShareDiluted	$ 0.27us-gaap_EarningsPerShareDiluted
Weighted average number of shares:
Basic (in shares)	182,095	184,547
Diluted (in shares)	183,064	185,769
Dividends declared per share (usd per share)	$ 0.1408	$ 0.1280

Aggregate dividends declared during the period for each share of common stock outstanding.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770