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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)

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=26713463&loc=d3e16323-109275

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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