Supplemental Consolidated Financial Results on Unaudited Pro Forma Basis, as If the Acquisition Had Been Consummated on Beginning of Period (Detail) - LinkedIn Corporation - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Business Acquisition [Line Items]
Revenue	$ 91,668	$ 88,652
Net income	$ 20,894	$ 15,383
Diluted earnings per share	$ 2.67	$ 1.92