Other Intangible Assets, Net (Detail) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Intangible Asset Excluding Goodwill [Line Items]
Gross other intangible assets	$ 1,494	$ 1,411
Accumulated amortization	(680)	(585)
Other intangible assets, net	814	826
Indefinite Lived Intangible Assets
Intangible Asset Excluding Goodwill [Line Items]
Gross other intangible assets	22	35
Accumulated amortization
Other intangible assets, net	22	35
Developed technology, including patents
Intangible Asset Excluding Goodwill [Line Items]
Gross other intangible assets	1,192	1,100
Accumulated amortization	(578)	(504)
Other intangible assets, net	614	596
Other Intangible Assets, Net
Intangible Asset Excluding Goodwill [Line Items]
Gross other intangible assets	280	276
Accumulated amortization	(102)	(81)
Other intangible assets, net	$ 178	$ 195