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Other Intangible Assets - Other Intangible Assets (Detail) - USD ($) $ in Millions | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Finite-Lived Intangible Assets [Line Items] |  |
Gross Cost | $ 1,067 | $ 1,084
Accumulated Amortization | (901) | (891)
Net Cost | 166 | 193
Technologies & Licenses [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Cost | 593 | 619
Accumulated Amortization | (511) | (519)
Net Cost | 82 | 100
Contractual Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Cost | 4 | 4
Accumulated Amortization | (4) | (4)
Purchased and Internally Developed Software [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Cost | 387 | 373
Accumulated Amortization | (321) | (302)
Net Cost | 66 | 71
Construction in Progress [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Cost | 18 | 22
Net Cost | 18 | 22
Other Intangible Assets [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Gross Cost | 65 | 66
Accumulated Amortization | $ (65) | $ (66)

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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=26713463&loc=d3e16323-109275 + Details
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