Supplemental Financial Information (Details 7) (USD $) In Millions, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011	Dec. 31, 2010
Accrued Liabilities, Current [Abstract]
Accrued rebates	$ 380	$ 317	$ 340	$ 270
Accrued royalties	27	18
Accrued settlement charges	72	28
Accrued legal costs	16	16
Accrued taxes	21	16
Warranty reserve	14	14	14	13
Restructuring liabilities	3	6
Other	60	46
Accrued liabilities	593	461
Other Liabilities, Noncurrent [Abstract]
Deferred rent	54	48
Accrued taxes	62	24
Deferred tax liabilities	56	80
Accrued settlement charges	55	48
Restructuring liabilities	1	2
Deferred revenue	47	3
Other long-term liabilities	22	19
Other long-term liabilities, Total	$ 297	$ 224