Goodwill and Other Intangible Assets Components of Other Intangible Assets (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Dec. 31, 2014
Gross Carrying Amount	$ 633	$ 671
Accumulated Impairment and Amortization	(481)	(502)
Net Carrying Amount	152	169
Trademarks and Trade Names [Member]
Indefinite-Lived Intangible Assets (Excluding Goodwill)	65	65
Used In Research And Development [Member]
Indefinite-Lived Intangible Assets (Excluding Goodwill)	20	20
Core Technology [Member]
Weighted Average Useful Life (years)	7 years
Gross Carrying Amount	86	90
Accumulated Impairment and Amortization	(82)	(85)
Net Carrying Amount	4	5
Trademarks and Trade Names [Member]
Weighted Average Useful Life (years)	16 years
Gross Carrying Amount	3	3
Accumulated Impairment and Amortization	(2)	(1)
Net Carrying Amount	1	2
Customer Relationships [Member]
Weighted Average Useful Life (years)	8 years
Gross Carrying Amount	459	493
Accumulated Impairment and Amortization	(397)	(416)
Net Carrying Amount	$ 62	$ 77

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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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

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Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

+ 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 (b)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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Amount before accumulated amortization of intangible assets, excluding goodwill.

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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

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-Subparagraph ((a)(1),(b))

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