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Reconciliation of Total Reportable Segments Operating Income to Consolidated Income before Provision for Income Taxes (Detail) (USD $)
In Millions, unless otherwise specified
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3 Months Ended |
12 Months Ended |
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Dec. 31, 2014
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Sep. 30, 2014
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Jun. 30, 2014
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Mar. 31, 2014
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Dec. 31, 2013
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Sep. 30, 2013
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Jun. 30, 2013
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Mar. 31, 2013
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Sep. 30, 2012
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Segment Reporting Information [Line Items] |
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| Severance, pension and benefit credits (charges) (Note 12) |
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$ (7,507)vz_SeverancePensionAndBenefitCreditsCharges |
$ 6,232vz_SeverancePensionAndBenefitCreditsCharges |
$ (7,186)vz_SeverancePensionAndBenefitCreditsCharges |
| Gain on spectrum license transactions (Note 2) |
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707us-gaap_GainLossOnDispositionOfIntangibleAssets |
278us-gaap_GainLossOnDispositionOfIntangibleAssets |
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| Litigation settlements (Note 17) |
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(400)us-gaap_PaymentsForLegalSettlements |
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(384)us-gaap_PaymentsForLegalSettlements |
| Other costs |
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(334)vz_OtherCosts |
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(276)vz_OtherCosts |
| Operating income |
(2,136)us-gaap_OperatingIncomeLoss |
6,890us-gaap_OperatingIncomeLoss |
7,685us-gaap_OperatingIncomeLoss |
7,160us-gaap_OperatingIncomeLoss |
12,063us-gaap_OperatingIncomeLoss |
7,128us-gaap_OperatingIncomeLoss |
6,555us-gaap_OperatingIncomeLoss |
6,222us-gaap_OperatingIncomeLoss |
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19,599us-gaap_OperatingIncomeLoss |
31,968us-gaap_OperatingIncomeLoss |
13,160us-gaap_OperatingIncomeLoss |
| Equity in earnings of unconsolidated businesses |
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1,780us-gaap_IncomeLossFromEquityMethodInvestments |
142us-gaap_IncomeLossFromEquityMethodInvestments |
324us-gaap_IncomeLossFromEquityMethodInvestments |
| Other income and (expense), net |
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(1,194)us-gaap_OtherNonoperatingIncomeExpense |
(166)us-gaap_OtherNonoperatingIncomeExpense |
(1,016)us-gaap_OtherNonoperatingIncomeExpense |
| Interest expense |
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(4,915)us-gaap_InterestExpense |
(2,667)us-gaap_InterestExpense |
(2,571)us-gaap_InterestExpense |
| Income Before (Provision) Benefit for Income Taxes |
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15,270us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest |
29,277us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest |
9,897us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest |
| Operating Segments |
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| Segment Reporting Information [Line Items] |
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| Operating income |
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27,795us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember |
26,327us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember |
21,772us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= us-gaap_OperatingSegmentsMember |
| Operating Income Generated By Assets Sold |
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| Segment Reporting Information [Line Items] |
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| Operating income |
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12us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= vz_OperatingIncomeGeneratedByAssetsSoldMember |
43us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= vz_OperatingIncomeGeneratedByAssetsSoldMember |
56us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= vz_OperatingIncomeGeneratedByAssetsSoldMember |
| Corporate, Eliminations and Other |
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| Segment Reporting Information [Line Items] |
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| Operating income |
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$ (1,074)us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= vz_CorporateEliminationsAndOtherMember |
$ (912)us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= vz_CorporateEliminationsAndOtherMember |
$ (822)us-gaap_OperatingIncomeLoss
/ us-gaap_ConsolidationItemsAxis
= vz_CorporateEliminationsAndOtherMember |