v2.4.1.9
Noncontrolling Interest In Equity Subsidiaries (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Noncontrolling Interest [Line Items]    
Verizon Wireless   $ 55,465us-gaap_MinorityInterestInOperatingPartnerships
Wireless partnerships and other 1,378us-gaap_OtherMinorityInterests 1,115us-gaap_OtherMinorityInterests
Total noncontrolling interest $ 1,378us-gaap_MinorityInterest $ 56,580us-gaap_MinorityInterest