Supplemental Financial Information (Details 6) (USD $) In Millions	6 Months Ended
	Jun. 30, 2011
Amortization of Existing Purchased Intangible Assets
Purchased Intangible Asset Amortization, 2011	$ 40
Purchased Intangible Asset Amortization, 2012	114
Purchased Intangible Asset Amortization, 2013	92
Purchased Intangible Asset Amortization, 2014	73
Purchased Intangible Asset Amortization, 2015	57
Purchased Intangible Asset Amortization, Thereafter	112
Total	488
Cost of product revenue [Member]
Amortization of Existing Purchased Intangible Assets
Purchased Intangible Asset Amortization, 2011	25
Purchased Intangible Asset Amortization, 2012	84
Purchased Intangible Asset Amortization, 2013	81
Purchased Intangible Asset Amortization, 2014	68
Purchased Intangible Asset Amortization, 2015	52
Purchased Intangible Asset Amortization, Thereafter	101
Total	411
Other operating expenses [Member]
Amortization of Existing Purchased Intangible Assets
Purchased Intangible Asset Amortization, 2011	15
Purchased Intangible Asset Amortization, 2012	30
Purchased Intangible Asset Amortization, 2013	11
Purchased Intangible Asset Amortization, 2014	5
Purchased Intangible Asset Amortization, 2015	5
Purchased Intangible Asset Amortization, Thereafter	11
Total	$ 77