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Acquisitions and Divestitures - Additional Information (Detail) (USD $)
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3 Months Ended |
0 Months Ended |
3 Months Ended |
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Mar. 31, 2015
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Mar. 31, 2014
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Feb. 05, 2015
Unit
Customer
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Jan. 29, 2015
Licenses
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Dec. 31, 2014
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| Business Acquisition [Line Items] |
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| Cash paid to acquire spectrum licenses |
$ 9,555,000,000us-gaap_PaymentsToAcquireIntangibleAssets |
$ 213,000,000us-gaap_PaymentsToAcquireIntangibleAssets |
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| Operating Revenues |
31,984,000,000us-gaap_Revenues |
30,818,000,000us-gaap_Revenues |
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| Access Line Sale with Frontier |
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| Business Acquisition [Line Items] |
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| Proceeds from dispositions of businesses |
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10,500,000,000us-gaap_ProceedsFromDivestitureOfBusinesses
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= vz_AccessLineSaleWithFrontierMember |
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| Debt assumed by Frontier |
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600,000,000us-gaap_NoncashOrPartNoncashAcquisitionDebtAssumed1
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= vz_AccessLineSaleWithFrontierMember |
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| Number of FiOS Internet subscribers to be divested |
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1,500,000vz_NumberOfFiOSInternetSubscribersToBeDivested
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= vz_AccessLineSaleWithFrontierMember |
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| Number of copper lines to be divested |
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2,100,000vz_NumberOfCopperLinesToBeDivested
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= vz_AccessLineSaleWithFrontierMember |
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| Number of FiOS Video subscribers to be divested |
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1,200,000vz_NumberOfFiOSVideoSubscribersToBeDivested
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= vz_AccessLineSaleWithFrontierMember |
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| Access Lines and Other Business Assets Acquired by Frontier |
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| Business Acquisition [Line Items] |
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| Operating Revenues |
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5,400,000,000us-gaap_Revenues
/ us-gaap_SignificantAcquisitionsAndDisposalsByTransactionAxis
= vz_AccessLinesAndOtherBusinessAssetsAcquiredByFrontierMember |
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| FCC spectrum licenses auction |
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| Business Acquisition [Line Items] |
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| FCC auction spectrum licenses |
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181vz_NumberOfLicensesAcquired
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= vz_FederalCommunicationsCommissionSpectrumLicensesAuctionMember |
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| Cash paid to acquire spectrum licenses |
9,500,000,000us-gaap_PaymentsToAcquireIntangibleAssets
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= vz_FederalCommunicationsCommissionSpectrumLicensesAuctionMember |
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10,400,000,000us-gaap_PaymentsToAcquireIntangibleAssets
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= vz_FederalCommunicationsCommissionSpectrumLicensesAuctionMember |
900,000,000us-gaap_PaymentsToAcquireIntangibleAssets
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= vz_FederalCommunicationsCommissionSpectrumLicensesAuctionMember |
| Tower Monetization Transaction |
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| Business Acquisition [Line Items] |
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| Number of towers subject to failed sale-leaseback |
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11,300vz_NumberOfTowersSubjectToFailedSaleLeaseback
/ us-gaap_BusinessAcquisitionAxis
= vz_TowerMonetizationTransactionMember |
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| Cash proceeds from failed sale-leaseback |
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5,000,000,000vz_ProceedsFromFailedSaleLeaseBack
/ us-gaap_BusinessAcquisitionAxis
= vz_TowerMonetizationTransactionMember |
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| Term of Lease |
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28 years |
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| Number of towers subject to disposition |
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162vz_NumberOfTowersSubjectToDisposition
/ us-gaap_BusinessAcquisitionAxis
= vz_TowerMonetizationTransactionMember |
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| Cash proceeds from disposition of towers |
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100,000,000vz_ProceedsFromDispositionOfTowers
/ us-gaap_BusinessAcquisitionAxis
= vz_TowerMonetizationTransactionMember |
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| Minimum years of sublease capacity on towers |
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10 years |
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| March 2015 Tower Monetization Transaction- Other, net cash flows from operating activities |
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| Business Acquisition [Line Items] |
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| Cash proceeds from failed sale-leaseback |
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2,400,000,000vz_ProceedsFromFailedSaleLeaseBack
/ us-gaap_BusinessAcquisitionAxis
= vz_TowerMonetizationTransactionOperatingActivitiesMember |
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| March 2015 Tower Monetization Transaction- Other, net cash flows from financing activities |
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| Business Acquisition [Line Items] |
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| Cash proceeds from failed sale-leaseback |
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$ 2,700,000,000vz_ProceedsFromFailedSaleLeaseBack
/ us-gaap_BusinessAcquisitionAxis
= vz_TowerMonetizationTransactionFinancingActivitiesMember |
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