Supplemental Financial Information (Details 7) (USD $) In Millions	9 Months Ended
	Sep. 30, 2011
Amortization of Existing Purchased Intangible Assets
Purchased Intangible Asset Amortization, 2011	$ 19
Purchased Intangible Asset Amortization, 2012	106
Purchased Intangible Asset Amortization, 2013	83
Purchased Intangible Asset Amortization, 2014	65
Purchased Intangible Asset Amortization, 2015	51
Purchased Intangible Asset Amortization, Thereafter	103
Total	427
Cost of Goods, Product Line [Member]
Amortization of Existing Purchased Intangible Assets
Purchased Intangible Asset Amortization, 2011	12
Purchased Intangible Asset Amortization, 2012	78
Purchased Intangible Asset Amortization, 2013	73
Purchased Intangible Asset Amortization, 2014	61
Purchased Intangible Asset Amortization, 2015	47
Purchased Intangible Asset Amortization, Thereafter	92
Total	363
Other operating expenses [Member]
Amortization of Existing Purchased Intangible Assets
Purchased Intangible Asset Amortization, 2011	7
Purchased Intangible Asset Amortization, 2012	28
Purchased Intangible Asset Amortization, 2013	10
Purchased Intangible Asset Amortization, 2014	4
Purchased Intangible Asset Amortization, 2015	4
Purchased Intangible Asset Amortization, Thereafter	11
Total	$ 64