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Debt - LT Debt (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Debt Instrument [Line Items]
Long-term debt	$ 2,075,453us-gaap_LongTermDebtNoncurrent	$ 2,226,132us-gaap_LongTermDebtNoncurrent
Accounts receivable, net	6,043,850us-gaap_AccountsReceivableNetCurrent	5,769,759us-gaap_AccountsReceivableNetCurrent
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	265,729us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
Long-term Debt, Maturities, Repayments of Principal in Year Two	2,411us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
Long-term Debt, Maturities, Repayments of Principal in Year Three	276,258us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
Long-term Debt, Maturities, Repayments of Principal in Year Four	498,385us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
Long-term Debt, Maturities, Repayments of Principal in Year Five	0us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
Long-term Debt, Maturities, Repayments of Principal after Year Five	1,046,123us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive
Net proceeds from note offering	0us-gaap_ProceedsFromRepaymentsOfNotesPayable	591,156us-gaap_ProceedsFromRepaymentsOfNotesPayable	0us-gaap_ProceedsFromRepaymentsOfNotesPayable
Loss on prepayment of debt	0us-gaap_GainsLossesOnExtinguishmentOfDebt	4,277us-gaap_GainsLossesOnExtinguishmentOfDebt	0us-gaap_GainsLossesOnExtinguishmentOfDebt
Loss on prepayment of debt, net of tax	0us-gaap_ExtinguishmentOfDebtGainLossNetOfTax	2,627us-gaap_ExtinguishmentOfDebtGainLossNetOfTax	0us-gaap_ExtinguishmentOfDebtGainLossNetOfTax
Extinguishment of Debt Gain Loss Net of Tax Per Share Basic		$ 0.03arw_ExtinguishmentofDebtGainLossNetofTaxPerShareBasic
Extinguishment of Debt Gain Loss Net of Tax Per Share Diluted		$ 0.03arw_ExtinguishmentofDebtGainLossNetofTaxPerShareDiluted
Investment Income, Interest and Dividend	5,552us-gaap_InvestmentIncomeInterestAndDividend	5,632us-gaap_InvestmentIncomeInterestAndDividend	5,779us-gaap_InvestmentIncomeInterestAndDividend
Interest Paid	120,477us-gaap_InterestPaid	116,663us-gaap_InterestPaid	113,628us-gaap_InterestPaid
Asset securitization program [Member]
Debt Instrument [Line Items]
Long-term debt	275,000us-gaap_LongTermDebtNoncurrent / us-gaap_DebtInstrumentAxis = arw_AssetSecuritizationProgramMember	420,000us-gaap_LongTermDebtNoncurrent / us-gaap_DebtInstrumentAxis = arw_AssetSecuritizationProgramMember
Asset securitization Program Maximum Capacity	900,000arw_AssetSecuritizationProgramMaximumCapacity / us-gaap_DebtInstrumentAxis = arw_AssetSecuritizationProgramMember
Asset Securitization Program Interest Rate Spread At End of Period	0.40%arw_AssetSecuritizationProgramInterestRateSpreadAtEndOfPeriod / us-gaap_DebtInstrumentAxis = arw_AssetSecuritizationProgramMember
Debt Instrument, Interest Rate, Effective Percentage	0.55%us-gaap_DebtInstrumentInterestRateEffectivePercentage / us-gaap_DebtInstrumentAxis = arw_AssetSecuritizationProgramMember
Asset Securitization Program Facility Fee	0.40%arw_AssetSecuritizationProgramFacilityFee / us-gaap_DebtInstrumentAxis = arw_AssetSecuritizationProgramMember
Asset Securitization Program Prior Maximum Capacity	775,000arw_AssetSecuritizationProgramPriorMaximumCapacity / us-gaap_DebtInstrumentAxis = arw_AssetSecuritizationProgramMember
Accounts receivable, net	2,060,589us-gaap_AccountsReceivableNetCurrent / us-gaap_DebtInstrumentAxis = arw_AssetSecuritizationProgramMember	1,867,552us-gaap_AccountsReceivableNetCurrent / us-gaap_DebtInstrumentAxis = arw_AssetSecuritizationProgramMember
3.375% notes, due 2015 [Member]
Debt Instrument [Line Items]
Long-term debt	252,275us-gaap_LongTermDebtNoncurrent / us-gaap_DebtInstrumentAxis = arw_NotesDueIn2015Member	255,004us-gaap_LongTermDebtNoncurrent / us-gaap_DebtInstrumentAxis = arw_NotesDueIn2015Member
Debt Instrument, Fair Value	255,000us-gaap_DebtInstrumentFairValue / us-gaap_DebtInstrumentAxis = arw_NotesDueIn2015Member	260,000us-gaap_DebtInstrumentFairValue / us-gaap_DebtInstrumentAxis = arw_NotesDueIn2015Member
Debt Instrument, Interest Rate, Stated Percentage	3.375%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = arw_NotesDueIn2015Member
6.875% senior debentures, due 2018 [Member]
Debt Instrument [Line Items]
Long-term debt	199,288us-gaap_LongTermDebtNoncurrent / us-gaap_DebtInstrumentAxis = arw_SeniorDebenturesDueIn2018Member	199,078us-gaap_LongTermDebtNoncurrent / us-gaap_DebtInstrumentAxis = arw_SeniorDebenturesDueIn2018Member
Debt Instrument, Fair Value	232,000us-gaap_DebtInstrumentFairValue / us-gaap_DebtInstrumentAxis = arw_SeniorDebenturesDueIn2018Member	228,000us-gaap_DebtInstrumentFairValue / us-gaap_DebtInstrumentAxis = arw_SeniorDebenturesDueIn2018Member
Debt Instrument, Interest Rate, Stated Percentage	6.875%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = arw_SeniorDebenturesDueIn2018Member
3.00% notes, due 2018 [Member]
Debt Instrument [Line Items]
Long-term debt	298,989us-gaap_LongTermDebtNoncurrent / us-gaap_DebtInstrumentAxis = arw_NotesDuein2018Member	298,691us-gaap_LongTermDebtNoncurrent / us-gaap_DebtInstrumentAxis = arw_NotesDuein2018Member
Debt Instrument, Fair Value	309,000us-gaap_DebtInstrumentFairValue / us-gaap_DebtInstrumentAxis = arw_NotesDuein2018Member	300,000us-gaap_DebtInstrumentFairValue / us-gaap_DebtInstrumentAxis = arw_NotesDuein2018Member
Principal Amount of Issuance of Long-term Debt		300,000arw_PrincipalAmountOfIssuanceOfLongTermDebt / us-gaap_DebtInstrumentAxis = arw_NotesDuein2018Member
Debt Instrument, Interest Rate, Stated Percentage	3.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = arw_NotesDuein2018Member
6.00% notes, due 2020 [Member]
Debt Instrument [Line Items]
Long-term debt	299,953us-gaap_LongTermDebtNoncurrent / us-gaap_DebtInstrumentAxis = arw_NotesDueIn2020Member	299,945us-gaap_LongTermDebtNoncurrent / us-gaap_DebtInstrumentAxis = arw_NotesDueIn2020Member
Debt Instrument, Fair Value	339,000us-gaap_DebtInstrumentFairValue / us-gaap_DebtInstrumentAxis = arw_NotesDueIn2020Member	330,000us-gaap_DebtInstrumentFairValue / us-gaap_DebtInstrumentAxis = arw_NotesDueIn2020Member
Debt Instrument, Interest Rate, Stated Percentage	6.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = arw_NotesDueIn2020Member
5.125% notes, due 2021 [Member]
Debt Instrument [Line Items]
Long-term debt	249,514us-gaap_LongTermDebtNoncurrent / us-gaap_DebtInstrumentAxis = arw_NotesDueIn2021Member	249,435us-gaap_LongTermDebtNoncurrent / us-gaap_DebtInstrumentAxis = arw_NotesDueIn2021Member
Debt Instrument, Fair Value	277,500us-gaap_DebtInstrumentFairValue / us-gaap_DebtInstrumentAxis = arw_NotesDueIn2021Member	260,000us-gaap_DebtInstrumentFairValue / us-gaap_DebtInstrumentAxis = arw_NotesDueIn2021Member
Debt Instrument, Interest Rate, Stated Percentage	5.125%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = arw_NotesDueIn2021Member
4.50% notes, due 2023 [Member]
Debt Instrument [Line Items]
Long-term debt	297,964us-gaap_LongTermDebtNoncurrent / us-gaap_DebtInstrumentAxis = arw_NotesDuein2023Member	297,767us-gaap_LongTermDebtNoncurrent / us-gaap_DebtInstrumentAxis = arw_NotesDuein2023Member
Debt Instrument, Fair Value	321,000us-gaap_DebtInstrumentFairValue / us-gaap_DebtInstrumentAxis = arw_NotesDuein2023Member	291,000us-gaap_DebtInstrumentFairValue / us-gaap_DebtInstrumentAxis = arw_NotesDuein2023Member
Principal Amount of Issuance of Long-term Debt		300,000arw_PrincipalAmountOfIssuanceOfLongTermDebt / us-gaap_DebtInstrumentAxis = arw_NotesDuein2023Member
Debt Instrument, Interest Rate, Stated Percentage	4.50%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = arw_NotesDuein2023Member
7.50% senior debentures, due 2027 [Member]
Debt Instrument [Line Items]
Long-term debt	198,310us-gaap_LongTermDebtNoncurrent / us-gaap_DebtInstrumentAxis = arw_SeniorDebenturesDueIn2027Member	198,170us-gaap_LongTermDebtNoncurrent / us-gaap_DebtInstrumentAxis = arw_SeniorDebenturesDueIn2027Member
Debt Instrument, Fair Value	254,000us-gaap_DebtInstrumentFairValue / us-gaap_DebtInstrumentAxis = arw_SeniorDebenturesDueIn2027Member	232,000us-gaap_DebtInstrumentFairValue / us-gaap_DebtInstrumentAxis = arw_SeniorDebenturesDueIn2027Member
Debt Instrument, Interest Rate, Stated Percentage	7.50%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = arw_SeniorDebenturesDueIn2027Member
Interest rate swaps designated as fair value hedges [Member]
Debt Instrument [Line Items]
Long-term debt	378us-gaap_LongTermDebtNoncurrent / us-gaap_DebtInstrumentAxis = arw_InterestrateswapsdesignatedasfairvaluehedgesMember	0us-gaap_LongTermDebtNoncurrent / us-gaap_DebtInstrumentAxis = arw_InterestrateswapsdesignatedasfairvaluehedgesMember
Other obligations with various interest rates and due dates [Member]
Debt Instrument [Line Items]
Long-term debt	3,782us-gaap_LongTermDebtNoncurrent / us-gaap_DebtInstrumentAxis = arw_OtherLtObligationsMember	8,042us-gaap_LongTermDebtNoncurrent / us-gaap_DebtInstrumentAxis = arw_OtherLtObligationsMember
Uncommitted Line of Credit [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Prior Maximum Borrowing Capacity	70,000arw_LineofCreditFacilityPriorMaximumBorrowingCapacity / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember
Line of Credit Facility, Maximum Borrowing Capacity	100,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember
Senior Notes Due in 2013 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		6.875%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_DebtInstrumentAxis = arw_SeniorNotesDueIn2013Member
Redemption of senior notes		(332,107)arw_RedemptionOfSeniorNotesPrincipalAmount / us-gaap_DebtInstrumentAxis = arw_SeniorNotesDueIn2013Member
Revolving Credit Facility due in 2018 [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Interest Rate Spread at Period End	1.30%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_LineOfCreditFacilityAxis = arw_RevolvingCreditFacilityduein2018Member
Line of Credit Facility Commitment Fee Percentage	0.20%us-gaap_LineOfCreditFacilityCommitmentFeePercentage / us-gaap_LineOfCreditFacilityAxis = arw_RevolvingCreditFacilityduein2018Member
Line of Credit Facility, Maximum Borrowing Capacity	$ 1,500,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity / us-gaap_LineOfCreditFacilityAxis = arw_RevolvingCreditFacilityduein2018Member

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The difference between the reacquisition price and the net carrying amount of the extinguished debt recognized currently as a component of income in the period of extinguishment, net of tax.

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