|
Changes to Debt (Detail) (USD $)
In Millions, unless otherwise specified
|
3 Months Ended |
|
Mar. 31, 2015
|
Mar. 31, 2014
|
| Debt Instrument [Line Items] |
|
|
| Debt maturing within one year, Balance at January 1, 2015 |
$ 2,735us-gaap_DebtCurrent |
|
| Long-term debt,Balance at January 1, 2015 |
110,536us-gaap_LongTermDebtAndCapitalLeaseObligations |
|
| Total,Balance at January 1, 2015 |
113,271us-gaap_DebtAndCapitalLeaseObligations |
|
| Proceeds from borrowings |
6,497us-gaap_ProceedsFromIssuanceOfLongTermDebt |
16,952us-gaap_ProceedsFromIssuanceOfLongTermDebt |
| Repayments of borrowings and capital leases obligations |
(5,576)us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities |
(7,951)us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities |
| Increase in short-term obligations, excluding current maturities |
482us-gaap_ProceedsFromRepaymentsOfShortTermDebt |
252us-gaap_ProceedsFromRepaymentsOfShortTermDebt |
| Reclassification of long-term debt to Non-current liabilities related to assets held for sale (Note 2) |
(594)vz_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationLongTermDebt |
|
| Other |
(692)us-gaap_DebtInstrumentIncreaseDecreaseOtherNet |
|
| Debt maturing within one year,Balance at March 31, 2015 |
4,439us-gaap_DebtCurrent |
|
| Long-term debt,Balance at March 31, 2015 |
108,949us-gaap_LongTermDebtAndCapitalLeaseObligations |
|
| Total,Balance at March 31, 2015 |
113,388us-gaap_DebtAndCapitalLeaseObligations |
|
| Debt Maturing Within One Year |
|
|
| Debt Instrument [Line Items] |
|
|
| Debt maturing within one year, Balance at January 1, 2015 |
2,735us-gaap_DebtCurrent
/ us-gaap_ShortTermDebtTypeAxis
= vz_DebtMaturingWithinOneYearMember |
|
| Proceeds from borrowings |
4,000us-gaap_ProceedsFromIssuanceOfLongTermDebt
/ us-gaap_ShortTermDebtTypeAxis
= vz_DebtMaturingWithinOneYearMember |
|
| Repayments of borrowings and capital leases obligations |
(5,576)us-gaap_RepaymentsOfLongTermDebtAndCapitalSecurities
/ us-gaap_ShortTermDebtTypeAxis
= vz_DebtMaturingWithinOneYearMember |
|
| Increase in short-term obligations, excluding current maturities |
482us-gaap_ProceedsFromRepaymentsOfShortTermDebt
/ us-gaap_ShortTermDebtTypeAxis
= vz_DebtMaturingWithinOneYearMember |
|
| Reclassifications of long-term debt |
2,782us-gaap_LongTermDebtCurrent
/ us-gaap_ShortTermDebtTypeAxis
= vz_DebtMaturingWithinOneYearMember |
|
| Reclassification of long-term debt to Non-current liabilities related to assets held for sale (Note 2) |
0vz_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationLongTermDebt
/ us-gaap_ShortTermDebtTypeAxis
= vz_DebtMaturingWithinOneYearMember |
|
| Other |
16us-gaap_DebtInstrumentIncreaseDecreaseOtherNet
/ us-gaap_ShortTermDebtTypeAxis
= vz_DebtMaturingWithinOneYearMember |
|
| Debt maturing within one year,Balance at March 31, 2015 |
4,439us-gaap_DebtCurrent
/ us-gaap_ShortTermDebtTypeAxis
= vz_DebtMaturingWithinOneYearMember |
|
| Long-term Debt |
|
|
| Debt Instrument [Line Items] |
|
|
| Long-term debt,Balance at January 1, 2015 |
110,536us-gaap_LongTermDebtAndCapitalLeaseObligations
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LongTermDebtMember |
|
| Proceeds from borrowings |
2,497us-gaap_ProceedsFromIssuanceOfLongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LongTermDebtMember |
|
| Reclassifications of long-term debt |
(2,782)us-gaap_LongTermDebtCurrent
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LongTermDebtMember |
|
| Reclassification of long-term debt to Non-current liabilities related to assets held for sale (Note 2) |
(594)vz_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationLongTermDebt
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LongTermDebtMember |
|
| Other |
(708)us-gaap_DebtInstrumentIncreaseDecreaseOtherNet
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LongTermDebtMember |
|
| Long-term debt,Balance at March 31, 2015 |
$ 108,949us-gaap_LongTermDebtAndCapitalLeaseObligations
/ us-gaap_LongtermDebtTypeAxis
= us-gaap_LongTermDebtMember |
|