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Goodwill and Other Intangible Assets - Components of Other Intangible Assets (Details) - USD ($) | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2019 | Dec. 31, 2018 | Jun. 30, 2018 | Sep. 30, 2012
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Finite-Lived Intangible Assets, Accumulated Impairment and Amortization | $ (512,000,000) | $ (513,000,000) |  |
Intangible Assets, Gross (Excluding Goodwill) | 697,000,000 | 677,000,000 |  |
Intangible Assets, Net (Excluding Goodwill) | 185,000,000 | 164,000,000 |  |
Trademarks and Trade Names [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Indefinite-Lived Intangible Assets (Excluding Goodwill), Net | 75,000,000 | 74,000,000 |  |
Used In Research And Development [Member] |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Indefinite-Lived Intangible Assets (Excluding Goodwill), Net | 0 | 0 |  |
Indefinite-Lived Intangible Assets (Excluding Goodwill), Gross | 20,000,000 | 20,000,000 | $ 20,000,000 | $ 20,000,000
Indefinite-Lived Intangible Assets (Excluding Goodwill), Accumulated Impairment Loss | $ (20,000,000) | (20,000,000) |  |
Core Technology [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Intangible asset, useful life | 9 years |  |  |
Finite-Lived Intangible Assets, Gross | $ 121,000,000 | 107,000,000 |  |
Finite-Lived Intangible Assets, Accumulated Impairment and Amortization | (89,000,000) | (89,000,000) |  |
Finite-Lived Intangible Assets, Net Carrying Amount | $ 32,000,000 | 18,000,000 |  |
Trademarks and Trade Names [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Intangible asset, useful life | 16 years |  |  |
Finite-Lived Intangible Assets, Gross | $ 16,000,000 | 16,000,000 |  |
Finite-Lived Intangible Assets, Accumulated Impairment and Amortization | (4,000,000) | (4,000,000) |  |
Finite-Lived Intangible Assets, Net Carrying Amount | $ 12,000,000 | 12,000,000 |  |
Customer Relationships [Member] |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Intangible asset, useful life | 8 years |  |  |
Finite-Lived Intangible Assets, Gross | $ 465,000,000 | 460,000,000 |  |
Finite-Lived Intangible Assets, Accumulated Impairment and Amortization | (399,000,000) | (400,000,000) |  |
Finite-Lived Intangible Assets, Net Carrying Amount | $ 66,000,000 | $ 60,000,000 |  |

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