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Other Intangible Assets - Other Intangible Assets (Detail) - USD ($) $ in Millions	Dec. 31, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Gross Cost	$ 1,145	$ 1,067
Accumulated Amortization	(950)	(901)
Net Cost	195	166
Technologies & Licenses [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Cost	618	593
Accumulated Amortization	(534)	(511)
Net Cost	84	82
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	407	387
Accumulated Amortization	(347)	(321)
Net Cost	60	66
In-process R&D [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Cost	51	18
Net Cost	51	18
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Cost	65	65
Accumulated Amortization	$ (65)	$ (65)

X

- 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

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+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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+ References

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-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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