XML 20 R55.htm IDEA: XBRL DOCUMENT v2.4.1.9
Balance sheet components - Reclassifications Out of Accumulated Other Comprehensive Income (Detail) (USD $)
3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                              
Unrealized gains on investments                         $ 15,335,853us-gaap_InvestmentIncomeInterest $ 10,668,593us-gaap_InvestmentIncomeInterest $ 11,877,375us-gaap_InvestmentIncomeInterest
Estimated tax loss on unrealized gains on investments                         (49,143,050)us-gaap_IncomeTaxExpenseBenefit (45,583,181)us-gaap_IncomeTaxExpenseBenefit (38,871,379)us-gaap_IncomeTaxExpenseBenefit
Net income attributable to MercadoLibre, Inc. shareholders 34,161,329us-gaap_NetIncomeLoss 33,751,967us-gaap_NetIncomeLoss (25,588,478)us-gaap_NetIncomeLoss 30,327,953us-gaap_NetIncomeLoss 40,836,407us-gaap_NetIncomeLoss 29,146,247us-gaap_NetIncomeLoss 30,021,018us-gaap_NetIncomeLoss 17,522,591us-gaap_NetIncomeLoss 30,246,388us-gaap_NetIncomeLoss 26,067,897us-gaap_NetIncomeLoss 25,394,824us-gaap_NetIncomeLoss 19,637,038us-gaap_NetIncomeLoss 72,580,551us-gaap_NetIncomeLoss 117,507,438us-gaap_NetIncomeLoss 101,247,298us-gaap_NetIncomeLoss
Unrealized Gains (Losses) on Investments [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]                              
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]                              
Unrealized gains on investments                         36,626us-gaap_InvestmentIncomeInterest
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember
   
Estimated tax loss on unrealized gains on investments                         (11,159)us-gaap_IncomeTaxExpenseBenefit
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember
   
Net income attributable to MercadoLibre, Inc. shareholders                         $ 25,467us-gaap_NetIncomeLoss
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember