Business Combinations (Details) (USD $) In Millions, unless otherwise specified			9 Months Ended		0 Months Ended	9 Months Ended		9 Months Ended
	Sep. 30, 2012	Feb. 17, 2012	Sep. 30, 2012 Broad Light [Member]	Apr. 30, 2012 Broad Light [Member]	Feb. 19, 2012 Net Logic [Member]	Sep. 30, 2012 Net Logic [Member]	Feb. 17, 2012 Net Logic [Member]	Sep. 30, 2012 Other [Member]
Business Acquisition [Line Items]
Company Acquired			BroadLight, Inc.			NetLogic Microsystems, Inc.		Other
Month Acquired			Apr. 05, 2012			Feb. 17, 2012
Business			PON processors		Next generation networks	Next generation networks
Cash Consideration Paid	$ 3,823			$ 200			$ 3,612	$ 11
Cash Assumed	241			22			219
Equity Consideration Paid	352			3			349
Assumed Contingent Consideration	53						53
Contingent Consideration Maximum	120			10			110
Contingent Consideration Fair Value	$ 53	$ 53					$ 53