Goodwill and Intangible Assets (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Goodwill and Intangible Assets Disclosure
Gross Carrying Amount	$ 1,648		$ 1,648		$ 1,138
Accumulated Amortization	(391)		(391)		(255)
Net Carrying Amount	1,257		1,257		883
Indefinite-lived intangible assets	60		60		0
Total intangible assets, Gross	1,708		1,708		1,138
Total intangible assets, Net	1,317		1,317		883
Amortization expense	59	37	141	106
Goodwill
Goodwill beginning			839
Goodwill acquired			1,777
Effect of currency translation adjustment			(4)
Goodwill ending	2,612		2,612
Acquired patents
Goodwill and Intangible Assets Disclosure
Gross Carrying Amount	773		773		773
Accumulated Amortization	(215)		(215)		(142)
Net Carrying Amount	558		558		631
Acquired technology
Goodwill and Intangible Assets Disclosure
Gross Carrying Amount	518		518		227
Accumulated Amortization	(104)		(104)		(65)
Net Carrying Amount	414		414		162
Tradename and other
Goodwill and Intangible Assets Disclosure
Gross Carrying Amount	357		357		138
Accumulated Amortization	(72)		(72)		(48)
Net Carrying Amount	$ 285		$ 285		$ 90
Minimum | Acquired patents
Goodwill and Intangible Assets Disclosure
Finite-Lived Intangible Asset, Useful Life			2 years
Minimum | Acquired technology
Goodwill and Intangible Assets Disclosure
Finite-Lived Intangible Asset, Useful Life			2 years
Minimum | Tradename and other
Goodwill and Intangible Assets Disclosure
Finite-Lived Intangible Asset, Useful Life			2 years
Maximum | Acquired patents
Goodwill and Intangible Assets Disclosure
Finite-Lived Intangible Asset, Useful Life			18 years
Maximum | Acquired technology
Goodwill and Intangible Assets Disclosure
Finite-Lived Intangible Asset, Useful Life			10 years
Maximum | Tradename and other
Goodwill and Intangible Assets Disclosure
Finite-Lived Intangible Asset, Useful Life			10 years