Acquisitions (Detail) - Jun. 27, 2015 - USD ($) $ / shares in Units, $ in Millions	Total	Total
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Business Combinations During Period, Consideration Transferred		$ 571
Lantiq Semiconductor [Member]
Business Acquisition [Line Items]
Business Combinations During Period, Consideration Transferred	$ 383
Altera Corporation [Member] | Subject To Regulatory Approvals And Other Closing Conditions [Member]
Business Acquisition [Line Items]
Business Acquisition, Share Price	$ 54.00	$ 54.00
Estimated Transaction Value For Acquiree As Of Date Of Agreement	$ 16,700	$ 16,700