v2.4.1.9
Schedule of Quarterly Financial Information (Detail) (USD $)
In Millions, except Per Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Quarterly Financial Information [Line Items]                      
Operating Revenues $ 33,192us-gaap_Revenues $ 31,586us-gaap_Revenues $ 31,483us-gaap_Revenues $ 30,818us-gaap_Revenues $ 31,065us-gaap_Revenues $ 30,279us-gaap_Revenues $ 29,786us-gaap_Revenues $ 29,420us-gaap_Revenues $ 127,079us-gaap_Revenues $ 120,550us-gaap_Revenues $ 115,846us-gaap_Revenues
Operating Income (Loss) (2,136)us-gaap_OperatingIncomeLoss 6,890us-gaap_OperatingIncomeLoss 7,685us-gaap_OperatingIncomeLoss 7,160us-gaap_OperatingIncomeLoss 12,063us-gaap_OperatingIncomeLoss 7,128us-gaap_OperatingIncomeLoss 6,555us-gaap_OperatingIncomeLoss 6,222us-gaap_OperatingIncomeLoss 19,599us-gaap_OperatingIncomeLoss 31,968us-gaap_OperatingIncomeLoss 13,160us-gaap_OperatingIncomeLoss
Net Income (Loss) attributable to Verizon (2,231)us-gaap_NetIncomeLoss [1] 3,695us-gaap_NetIncomeLoss [1] 4,214us-gaap_NetIncomeLoss [1] 3,947us-gaap_NetIncomeLoss [1] 5,067us-gaap_NetIncomeLoss [1] 2,232us-gaap_NetIncomeLoss [1] 2,246us-gaap_NetIncomeLoss [1] 1,952us-gaap_NetIncomeLoss [1] 9,625us-gaap_NetIncomeLoss 11,497us-gaap_NetIncomeLoss 875us-gaap_NetIncomeLoss
Earnings (Loss) Per Share, Basic $ (0.54)us-gaap_EarningsPerShareBasic [1] $ 0.89us-gaap_EarningsPerShareBasic [1] $ 1.02us-gaap_EarningsPerShareBasic [1] $ 1.15us-gaap_EarningsPerShareBasic [1] $ 1.77us-gaap_EarningsPerShareBasic [1] $ 0.78us-gaap_EarningsPerShareBasic [1] $ 0.78us-gaap_EarningsPerShareBasic [1] $ 0.68us-gaap_EarningsPerShareBasic [1] $ 2.42us-gaap_EarningsPerShareBasic $ 4.01us-gaap_EarningsPerShareBasic $ 0.31us-gaap_EarningsPerShareBasic
Earnings (Loss) Per Share, Diluted $ (0.54)us-gaap_EarningsPerShareDiluted [1] $ 0.89us-gaap_EarningsPerShareDiluted [1] $ 1.01us-gaap_EarningsPerShareDiluted [1] $ 1.15us-gaap_EarningsPerShareDiluted [1] $ 1.76us-gaap_EarningsPerShareDiluted [1] $ 0.78us-gaap_EarningsPerShareDiluted [1] $ 0.78us-gaap_EarningsPerShareDiluted [1] $ 0.68us-gaap_EarningsPerShareDiluted [1] $ 2.42us-gaap_EarningsPerShareDiluted $ 4.00us-gaap_EarningsPerShareDiluted $ 0.31us-gaap_EarningsPerShareDiluted
Net Income (Loss) $ (2,148)us-gaap_ProfitLoss $ 3,794us-gaap_ProfitLoss $ 4,324us-gaap_ProfitLoss $ 5,986us-gaap_ProfitLoss $ 7,916us-gaap_ProfitLoss $ 5,578us-gaap_ProfitLoss $ 5,198us-gaap_ProfitLoss $ 4,855us-gaap_ProfitLoss $ 11,956us-gaap_ProfitLoss $ 23,547us-gaap_ProfitLoss $ 10,557us-gaap_ProfitLoss
[1] Net income (loss) attributable to Verizon per common share is computed independently for each quarter and the sum of the quarters may not equal the annual amount.