Supplemental Financial Information (Details 3) (USD $) In Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2011	Dec. 31, 2010
Carrying value of goodwill
Goodwill, beginning balance	$ 1,677
Goodwill recorded in connection with acquisitions	131
Other	2
Goodwill before foreign currency translation, ending balance	1,798	1,655	[1]
Effects of foreign currency translation	22	12
Goodwill, ending balance	1,820	1,677
Broadband Communications [Member]
Carrying value of goodwill
Goodwill recorded in connection with acquisitions	111
Other	2
Goodwill before foreign currency translation, ending balance	708	595
Mobile and Wireless [Member]
Carrying value of goodwill
Goodwill recorded in connection with acquisitions	20
Goodwill before foreign currency translation, ending balance	467	447
Infrastructure and Networking [Member]
Carrying value of goodwill
Goodwill before foreign currency translation, ending balance	$ 623	$ 623

[1] Does not include the effects of $12 million in foreign currency translation.