v2.4.1.9
Wireless Licenses, Goodwill and Other Intangible Assets - Additional Information (Detail) (USD $)
Mar. 31, 2015
Indefinite-lived Intangible Assets [Line Items]  
Goodwill Held for Sale $ 1,328,000,000us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwillNoncurrent
Wireless Licenses  
Indefinite-lived Intangible Assets [Line Items]  
Wireless licenses under development $ 400,000,000us-gaap_ConstructionInProgressGross
/ us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis
= vz_WirelessLicensesMember