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Components of Other Intangible Assets (Detail) (USD $) In Millions, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2012 | Dec. 31, 2011
Intangible Assets by Major Class [Line Items] |  |
Gross Carrying Amount | $ 717 | $ 706
Accumulated Impairment and Amortization | (332) | (306)
Net Carrying Amount | 385 | 400
Amortizable Intangible Assets | Core Technology |  |
Intangible Assets by Major Class [Line Items] |  |
Weighted Average Useful Life (years) | 7 years |
Gross Carrying Amount | 93 | 92
Accumulated Impairment and Amortization | (60) | (55)
Net Carrying Amount | 33 | 37
Amortizable Intangible Assets | Trademarks and Trade Names |  |
Intangible Assets by Major Class [Line Items] |  |
Weighted Average Useful Life (years) | 16 years |
Gross Carrying Amount | 4 | 4
Accumulated Impairment and Amortization | (1) | (1)
Net Carrying Amount | 3 | 3
Amortizable Intangible Assets | Customer relationships |  |
Intangible Assets by Major Class [Line Items] |  |
Weighted Average Useful Life (years) | 8 years |
Gross Carrying Amount | 555 | 545
Accumulated Impairment and Amortization | (271) | (250)
Net Carrying Amount | 284 | 295
Non Amortizable Intangible Assets | Trademarks and Trade Names |  |
Intangible Assets by Major Class [Line Items] |  |
Gross Carrying Amount | 65 | 65
Net Carrying Amount | $ 65 | $ 65

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- Definition The sum of impairment charges and accumulated amortization of intangible assets as of the balance sheet date. + References No definition available. + Details
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- Details
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- Definition Sum of the gross carrying amounts of intangible assets, excluding goodwill, before any impairment charges or accumulated amortization as of the balance sheet date. + References No definition available. + Details
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- Definition 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 No definition available. + Details
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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 -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph ((a)(1),(b)) -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 42, 45 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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