Goodwill and Intangible Assets (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Goodwill and Intangible Assets Disclosure
Gross Carrying Amount	$ 911	$ 112
Accumulated Amortization	(110)	(32)
Net Carrying Amount	801	80
Amortization expense	78	20	9
Goodwill
Goodwill beginning	82	37
Goodwill acquired	505	48
Effect of currency translation adjustment		(3)
Goodwill ending	587	82	37
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
2013	126
2014	120
2015	112
2016	102
2017	86
Thereafter	255
Net Carrying Amount	801	80
Acquired patents
Goodwill and Intangible Assets Disclosure
Gross Carrying Amount	684	51
Accumulated Amortization	(53)	(4)
Net Carrying Amount	631	47
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
Net Carrying Amount	631	47
Acquired technology
Goodwill and Intangible Assets Disclosure
Gross Carrying Amount	133	38
Accumulated Amortization	(32)	(15)
Net Carrying Amount	101	23
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
Net Carrying Amount	101	23
Tradename and other
Goodwill and Intangible Assets Disclosure
Gross Carrying Amount	94	23
Accumulated Amortization	(25)	(13)
Net Carrying Amount	69	10
Finite-Lived Intangible Assets, Amortization Expense, Maturity Schedule [Abstract]
Net Carrying Amount	$ 69	$ 10
Min | Acquired patents
Goodwill and Intangible Assets Disclosure
Useful lives from date of acquisitions	3 years
Min | Acquired technology
Goodwill and Intangible Assets Disclosure
Useful lives from date of acquisitions	2 years
Min | Tradename and other
Goodwill and Intangible Assets Disclosure
Useful lives from date of acquisitions	2 years
Max | Acquired patents
Goodwill and Intangible Assets Disclosure
Useful lives from date of acquisitions	18 years
Max | Acquired technology
Goodwill and Intangible Assets Disclosure
Useful lives from date of acquisitions	10 years
Max | Tradename and other
Goodwill and Intangible Assets Disclosure
Useful lives from date of acquisitions	7 years