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Goodwill and Other Intangible Assets - Components of Other Intangible Assets (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items] |  |
Finite-Lived Intangible Assets, Accumulated Impairment and Amortization | $ (493) | $ (459)
Indefinite-lived Intangible Assets [Line Items] |  |
Intangible Assets, Gross (Excluding Goodwill) | 667 | 568
Intangible Assets, Net (Excluding Goodwill) | 174 | 109
Trademarks and Trade Names [Member] |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Indefinite-Lived Intangible Assets (Excluding Goodwill) | 65 | 65
Used In Research And Development [Member] |  |
Indefinite-lived Intangible Assets [Line Items] |  |
Indefinite-Lived Intangible Assets (Excluding Goodwill) | $ 20 | 20
Core Technology [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible asset, useful life | 7 years |
Finite-Lived Intangible Assets, Gross Carrying Amount | $ 95 | 88
Finite-Lived Intangible Assets, Accumulated Impairment and Amortization | (88) | (83)
Finite-Lived Intangible Assets, Net Carrying Amount | $ 7 | 5
Trademarks and Trade Names [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible asset, useful life | 16 years |
Finite-Lived Intangible Assets, Gross Carrying Amount | $ 17 | 6
Finite-Lived Intangible Assets, Accumulated Impairment and Amortization | (2) | (2)
Finite-Lived Intangible Assets, Net Carrying Amount | $ 15 | 4
Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Intangible asset, useful life | 8 years |
Finite-Lived Intangible Assets, Gross Carrying Amount | $ 470 | 389
Finite-Lived Intangible Assets, Accumulated Impairment and Amortization | (403) | (374)
Finite-Lived Intangible Assets, Net Carrying Amount | $ 67 | $ 15

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16212-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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