v2.4.1.9

SHAREHOLDERS' EQUITY (Details 2) (USD $) Share data in Millions, unless otherwise specified | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2012 | Dec. 31, 2014 | Dec. 31, 2013
Changes in outstanding warrants |  |  |
Class of Warrant or Right, Outstanding | $ 0 us-gaap_WarrantsAndRightsOutstanding | $ 0 us-gaap_WarrantsAndRightsOutstanding | $ 0 us-gaap_WarrantsAndRightsOutstanding
Warrants and Rights Issued | 0 iaci_WarrantsandRightsIssued | 0 iaci_WarrantsandRightsIssued | 0 iaci_WarrantsandRightsIssued
Warrants and Rights Exercised | 14.3 iaci_ClassOfWarrantOrRightNumberExercised |  |
Proceeds from Warrant Exercises | 284,100,000 us-gaap_ProceedsFromWarrantExercises |  |
Common stock | $ 11,700,000 us-gaap_CommonStockValue |  |

X
- Definition Represents the number of warrants or rights exercised during the period. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

X
- Definition Warrants and Rights Issued + References No definition available. + Details
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Period Type: | instant

X
- Details
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Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 30 -Article 5 + Details
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Period Type: | instant

X
- Definition The cash inflow associated with the amount received from holders exercising their stock warrants. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph i -Article 4 + Details
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