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