v2.4.1.9
Investment in Unconsolidated Businesses (Parenthetical) (Detail) (Vodafone Omnitel N.V.)
Feb. 21, 2014
Vodafone Omnitel N.V.
 
Schedule of Equity Method Investments [Line Items]  
Verizon ownership percentage 23.10%us-gaap_EquityMethodInvestmentOwnershipPercentage
/ us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis
= vz_VodafoneOmnitelMember