Document and Entity Information	6 Months Ended
	Jun. 30, 2014	Jul. 25, 2014 Common Stock	Jul. 25, 2014 Class B Convertible Common Stock
Entity Registrant Name	IAC/INTERACTIVECORP
Entity Central Index Key	0000891103
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Jun. 30, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding		77,597,075	5,789,499