v2.4.1.9
Schedule of Notes Included in Exchange Offer (Detail) (USD $)
In Millions, unless otherwise specified
0 Months Ended
Aug. 21, 2014
Aug. 21, 2014
Old Notes in Exchange for 2020 New Notes | Verizon Communications    
Debt Instrument [Line Items]    
Exchange Offer, Principal Amount Accepted For Exchange $ 3,120vz_DebtExchangeOfferPrincipalAmountPurchased
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyTwentyNewNotesMember
$ 3,120vz_DebtExchangeOfferPrincipalAmountPurchased
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyTwentyNewNotesMember
Old Notes in Exchange for 2020 New Notes | Verizon Communications | 3.65% Notes due 2018    
Debt Instrument [Line Items]    
Stated interest rate on debt instrument 3.65%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= vz_ThreePointSixFivePercentNotesDueTwentyEighteenMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyTwentyNewNotesMember
3.65%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= vz_ThreePointSixFivePercentNotesDueTwentyEighteenMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyTwentyNewNotesMember
Debt instrument maturity date 2018  
Principal amount outstanding 4,750us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= vz_ThreePointSixFivePercentNotesDueTwentyEighteenMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyTwentyNewNotesMember
4,750us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= vz_ThreePointSixFivePercentNotesDueTwentyEighteenMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyTwentyNewNotesMember
Exchange Offer, Principal Amount Accepted For Exchange 2,052vz_DebtExchangeOfferPrincipalAmountPurchased
/ us-gaap_DebtInstrumentAxis
= vz_ThreePointSixFivePercentNotesDueTwentyEighteenMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyTwentyNewNotesMember
2,052vz_DebtExchangeOfferPrincipalAmountPurchased
/ us-gaap_DebtInstrumentAxis
= vz_ThreePointSixFivePercentNotesDueTwentyEighteenMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyTwentyNewNotesMember
Old Notes in Exchange for 2020 New Notes | Verizon Communications | 2.50% Notes due 2016    
Debt Instrument [Line Items]    
Stated interest rate on debt instrument 2.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= vz_TwoPointFiveZeroPercentNotesDueTwentySixteenMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyTwentyNewNotesMember
2.50%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= vz_TwoPointFiveZeroPercentNotesDueTwentySixteenMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyTwentyNewNotesMember
Debt instrument maturity date 2016  
Principal amount outstanding 4,250us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= vz_TwoPointFiveZeroPercentNotesDueTwentySixteenMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyTwentyNewNotesMember
4,250us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= vz_TwoPointFiveZeroPercentNotesDueTwentySixteenMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyTwentyNewNotesMember
Exchange Offer, Principal Amount Accepted For Exchange 1,068vz_DebtExchangeOfferPrincipalAmountPurchased
/ us-gaap_DebtInstrumentAxis
= vz_TwoPointFiveZeroPercentNotesDueTwentySixteenMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyTwentyNewNotesMember
1,068vz_DebtExchangeOfferPrincipalAmountPurchased
/ us-gaap_DebtInstrumentAxis
= vz_TwoPointFiveZeroPercentNotesDueTwentySixteenMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyTwentyNewNotesMember
Old Notes in Exchange for 2046 New Notes | Verizon Communications | 6.40% Notes due 2033    
Debt Instrument [Line Items]    
Stated interest rate on debt instrument 6.40%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= vz_SixPointFourZeroPercentNotesDueTwentyThirtyThreeMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
6.40%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= vz_SixPointFourZeroPercentNotesDueTwentyThirtyThreeMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
Debt instrument maturity date 2033  
Principal amount outstanding 6,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= vz_SixPointFourZeroPercentNotesDueTwentyThirtyThreeMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
6,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= vz_SixPointFourZeroPercentNotesDueTwentyThirtyThreeMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
Exchange Offer, Principal Amount Accepted For Exchange 1,645vz_DebtExchangeOfferPrincipalAmountPurchased
/ us-gaap_DebtInstrumentAxis
= vz_SixPointFourZeroPercentNotesDueTwentyThirtyThreeMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
1,645vz_DebtExchangeOfferPrincipalAmountPurchased
/ us-gaap_DebtInstrumentAxis
= vz_SixPointFourZeroPercentNotesDueTwentyThirtyThreeMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
Old Notes in Exchange for 2046 New Notes | Verizon Communications | 7.75% Notes due 2030    
Debt Instrument [Line Items]    
Stated interest rate on debt instrument 7.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= vz_SevenPointSevenFivePercentNotesDueTwentyThirtyMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
7.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= vz_SevenPointSevenFivePercentNotesDueTwentyThirtyMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
Debt instrument maturity date 2030  
Principal amount outstanding 2,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= vz_SevenPointSevenFivePercentNotesDueTwentyThirtyMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
2,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= vz_SevenPointSevenFivePercentNotesDueTwentyThirtyMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
Exchange Offer, Principal Amount Accepted For Exchange 794vz_DebtExchangeOfferPrincipalAmountPurchased
/ us-gaap_DebtInstrumentAxis
= vz_SevenPointSevenFivePercentNotesDueTwentyThirtyMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
794vz_DebtExchangeOfferPrincipalAmountPurchased
/ us-gaap_DebtInstrumentAxis
= vz_SevenPointSevenFivePercentNotesDueTwentyThirtyMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
Old Notes in Exchange for 2046 New Notes | Verizon Communications | 7.35% Notes due 2039    
Debt Instrument [Line Items]    
Stated interest rate on debt instrument 7.35%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= vz_SevenPointThreeFivePercentNotesDueTwentyThirtyNineMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
7.35%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= vz_SevenPointThreeFivePercentNotesDueTwentyThirtyNineMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
Debt instrument maturity date 2039  
Principal amount outstanding 1,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= vz_SevenPointThreeFivePercentNotesDueTwentyThirtyNineMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
1,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= vz_SevenPointThreeFivePercentNotesDueTwentyThirtyNineMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
Exchange Offer, Principal Amount Accepted For Exchange 520vz_DebtExchangeOfferPrincipalAmountPurchased
/ us-gaap_DebtInstrumentAxis
= vz_SevenPointThreeFivePercentNotesDueTwentyThirtyNineMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
520vz_DebtExchangeOfferPrincipalAmountPurchased
/ us-gaap_DebtInstrumentAxis
= vz_SevenPointThreeFivePercentNotesDueTwentyThirtyNineMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
Old Notes in Exchange for 2046 New Notes | Verizon Communications | 7.75% Notes due 2032    
Debt Instrument [Line Items]    
Stated interest rate on debt instrument 7.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= vz_SevenPointSevenFivePercentNotesDueTwentyThirtyTwoMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
7.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= vz_SevenPointSevenFivePercentNotesDueTwentyThirtyTwoMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
Debt instrument maturity date 2032  
Principal amount outstanding 400us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= vz_SevenPointSevenFivePercentNotesDueTwentyThirtyTwoMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
400us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= vz_SevenPointSevenFivePercentNotesDueTwentyThirtyTwoMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
Exchange Offer, Principal Amount Accepted For Exchange 149vz_DebtExchangeOfferPrincipalAmountPurchased
/ us-gaap_DebtInstrumentAxis
= vz_SevenPointSevenFivePercentNotesDueTwentyThirtyTwoMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
149vz_DebtExchangeOfferPrincipalAmountPurchased
/ us-gaap_DebtInstrumentAxis
= vz_SevenPointSevenFivePercentNotesDueTwentyThirtyTwoMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
Old Notes in Exchange for 2046 New Notes | Alltel Corporation | 7.875% Notes due 2032    
Debt Instrument [Line Items]    
Stated interest rate on debt instrument 7.875%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= vz_SevenPointEightSevenFivePercentNotesDueTwentyThirtyTwoMember
/ dei_LegalEntityAxis
= vz_AlltelCorporationMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
7.875%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= vz_SevenPointEightSevenFivePercentNotesDueTwentyThirtyTwoMember
/ dei_LegalEntityAxis
= vz_AlltelCorporationMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
Debt instrument maturity date 2032  
Principal amount outstanding 700us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= vz_SevenPointEightSevenFivePercentNotesDueTwentyThirtyTwoMember
/ dei_LegalEntityAxis
= vz_AlltelCorporationMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
700us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= vz_SevenPointEightSevenFivePercentNotesDueTwentyThirtyTwoMember
/ dei_LegalEntityAxis
= vz_AlltelCorporationMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
Exchange Offer, Principal Amount Accepted For Exchange 248vz_DebtExchangeOfferPrincipalAmountPurchased
/ us-gaap_DebtInstrumentAxis
= vz_SevenPointEightSevenFivePercentNotesDueTwentyThirtyTwoMember
/ dei_LegalEntityAxis
= vz_AlltelCorporationMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
248vz_DebtExchangeOfferPrincipalAmountPurchased
/ us-gaap_DebtInstrumentAxis
= vz_SevenPointEightSevenFivePercentNotesDueTwentyThirtyTwoMember
/ dei_LegalEntityAxis
= vz_AlltelCorporationMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
Old Notes in Exchange for 2046 New Notes | Alltel Corporation | 6.80% Notes due 2029    
Debt Instrument [Line Items]    
Stated interest rate on debt instrument 6.80%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= vz_SixPointEightZeroPercentNotesDueTwentyTwentyNineMember
/ dei_LegalEntityAxis
= vz_AlltelCorporationMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
6.80%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= vz_SixPointEightZeroPercentNotesDueTwentyTwentyNineMember
/ dei_LegalEntityAxis
= vz_AlltelCorporationMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
Debt instrument maturity date 2029  
Principal amount outstanding 300us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= vz_SixPointEightZeroPercentNotesDueTwentyTwentyNineMember
/ dei_LegalEntityAxis
= vz_AlltelCorporationMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
300us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= vz_SixPointEightZeroPercentNotesDueTwentyTwentyNineMember
/ dei_LegalEntityAxis
= vz_AlltelCorporationMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
Exchange Offer, Principal Amount Accepted For Exchange 65vz_DebtExchangeOfferPrincipalAmountPurchased
/ us-gaap_DebtInstrumentAxis
= vz_SixPointEightZeroPercentNotesDueTwentyTwentyNineMember
/ dei_LegalEntityAxis
= vz_AlltelCorporationMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
65vz_DebtExchangeOfferPrincipalAmountPurchased
/ us-gaap_DebtInstrumentAxis
= vz_SixPointEightZeroPercentNotesDueTwentyTwentyNineMember
/ dei_LegalEntityAxis
= vz_AlltelCorporationMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
Old Notes in Exchange for 2046 New Notes | Verizon Communications And Alltel Corporation    
Debt Instrument [Line Items]    
Exchange Offer, Principal Amount Accepted For Exchange 3,421vz_DebtExchangeOfferPrincipalAmountPurchased
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsAndAlltelCorporationMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
3,421vz_DebtExchangeOfferPrincipalAmountPurchased
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsAndAlltelCorporationMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFortySixNewNotesMember
Old Notes in Exchange for 2054 New Notes | Verizon Communications    
Debt Instrument [Line Items]    
Exchange Offer, Principal Amount Accepted For Exchange 4,330vz_DebtExchangeOfferPrincipalAmountPurchased
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFiftyFourNewNotesMember
4,330vz_DebtExchangeOfferPrincipalAmountPurchased
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFiftyFourNewNotesMember
Old Notes in Exchange for 2054 New Notes | Verizon Communications | 6.55% Notes due 2043    
Debt Instrument [Line Items]    
Stated interest rate on debt instrument 6.55%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= vz_SixPointFiveFivePercentNotesDueTwentyFortyThreeMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFiftyFourNewNotesMember
6.55%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= vz_SixPointFiveFivePercentNotesDueTwentyFortyThreeMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFiftyFourNewNotesMember
Debt instrument maturity date 2043  
Principal amount outstanding 15,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= vz_SixPointFiveFivePercentNotesDueTwentyFortyThreeMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFiftyFourNewNotesMember
15,000us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= vz_SixPointFiveFivePercentNotesDueTwentyFortyThreeMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFiftyFourNewNotesMember
Exchange Offer, Principal Amount Accepted For Exchange 4,330vz_DebtExchangeOfferPrincipalAmountPurchased
/ us-gaap_DebtInstrumentAxis
= vz_SixPointFiveFivePercentNotesDueTwentyFortyThreeMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFiftyFourNewNotesMember
4,330vz_DebtExchangeOfferPrincipalAmountPurchased
/ us-gaap_DebtInstrumentAxis
= vz_SixPointFiveFivePercentNotesDueTwentyFortyThreeMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFiftyFourNewNotesMember
Old Notes in Exchange for 2054 New Notes | Verizon Communications | 6.40% Notes due 2038    
Debt Instrument [Line Items]    
Stated interest rate on debt instrument 6.40%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= vz_SixPointFourZeroPercentNotesDueTwentyThirtyEightMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFiftyFourNewNotesMember
6.40%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= vz_SixPointFourZeroPercentNotesDueTwentyThirtyEightMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFiftyFourNewNotesMember
Debt instrument maturity date 2038  
Principal amount outstanding 1,750us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= vz_SixPointFourZeroPercentNotesDueTwentyThirtyEightMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFiftyFourNewNotesMember
1,750us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= vz_SixPointFourZeroPercentNotesDueTwentyThirtyEightMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFiftyFourNewNotesMember
Old Notes in Exchange for 2054 New Notes | Verizon Communications | 6.90% Notes due 2038    
Debt Instrument [Line Items]    
Stated interest rate on debt instrument 6.90%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= vz_SixPointNineZeroPercentNotesDueTwentyThirtyEightMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFiftyFourNewNotesMember
6.90%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_DebtInstrumentAxis
= vz_SixPointNineZeroPercentNotesDueTwentyThirtyEightMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFiftyFourNewNotesMember
Debt instrument maturity date 2038  
Principal amount outstanding $ 1,250us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= vz_SixPointNineZeroPercentNotesDueTwentyThirtyEightMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFiftyFourNewNotesMember
$ 1,250us-gaap_DebtInstrumentCarryingAmount
/ us-gaap_DebtInstrumentAxis
= vz_SixPointNineZeroPercentNotesDueTwentyThirtyEightMember
/ dei_LegalEntityAxis
= vz_VerizonCommunicationsMember
/ us-gaap_LongtermDebtTypeAxis
= vz_OldNotesInExchangeForTwentyFiftyFourNewNotesMember