Supplemental Financial Information (Details 4) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Purchased Intangible Assets
Gross	$ 2,504	$ 842
Accumulated Amortization	(612)	(419)
Before effects of foreign currency translation	1,892	423
Effects of foreign currency translation	(31)	(23)
Purchased intangible assets, Net	1,861	400
Developed technology [Member]
Purchased Intangible Assets
Gross	1,763	587
Accumulated Amortization	(391)	(282)
Purchased intangible assets, Net	1,372	305
In-process research and development [Member]
Purchased Intangible Assets
Gross	317	59
Accumulated Amortization	0	0
Purchased intangible assets, Net	317	59
Customer relationships [Member]
Purchased Intangible Assets
Gross	385	173
Accumulated Amortization	(194)	(117)
Purchased intangible assets, Net	191	56
Other [Member]
Purchased Intangible Assets
Gross	39	23
Accumulated Amortization	(27)	(20)
Purchased intangible assets, Net	$ 12	$ 3