v3.7.0.1
Tender Offer to Purchase for Cash Any and All of Series of Notes (Detail) - March Tender Offer
Mar. 20, 2017
USD ($)
Debt Instrument [Line Items]  
Principal Amount Purchased $ 3,119,000,000
Verizon Communications Inc | 8.95% Notes due 2039  
Debt Instrument [Line Items]  
Interest Rate 8.95%
Maturity 2039
Principal Amount Outstanding $ 242,000,000
Purchase Price 1,537.18 [1]
Principal Amount Purchased $ 131,000,000
Verizon Communications Inc | 7.75% Notes due 2032  
Debt Instrument [Line Items]  
Interest Rate 7.75%
Maturity 2032
Principal Amount Outstanding $ 215,000,000
Purchase Price 1,341.68 [1]
Principal Amount Purchased $ 36,000,000
Verizon Communications Inc | 6.55% Notes due 2043  
Debt Instrument [Line Items]  
Interest Rate 6.55%
Maturity 2043
Principal Amount Outstanding $ 2,266,000,000
Purchase Price 1,239.85 [1]
Principal Amount Purchased $ 847,000,000
Verizon Communications Inc | 6.40% Notes due 2033  
Debt Instrument [Line Items]  
Interest Rate 6.40%
Maturity 2033
Principal Amount Outstanding $ 1,083,000,000
Purchase Price 1,216.85 [1]
Principal Amount Purchased $ 612,000,000
Verizon Communications Inc | 7.35% Notes due 2039  
Debt Instrument [Line Items]  
Interest Rate 7.35%
Maturity 2039
Principal Amount Outstanding $ 186,000,000
Purchase Price 1,324.60 [1]
Principal Amount Purchased $ 27,000,000
Verizon Communications Inc | 6.90% Notes due 2038  
Debt Instrument [Line Items]  
Interest Rate 6.90%
Maturity 2038
Principal Amount Outstanding $ 270,000,000
Purchase Price 1,273.29 [1]
Principal Amount Purchased $ 49,000,000
Verizon Communications Inc | 7.75% Notes due 2030  
Debt Instrument [Line Items]  
Interest Rate 7.75%
Maturity 2030
Principal Amount Outstanding $ 742,000,000
Purchase Price 1,379.04 [1]
Principal Amount Purchased $ 160,000,000
Verizon Communications Inc | 6.40% Notes due 2038  
Debt Instrument [Line Items]  
Interest Rate 6.40%
Maturity 2038
Principal Amount Outstanding $ 515,000,000
Purchase Price 1,206.61 [1]
Principal Amount Purchased $ 118,000,000
Verizon Communications Inc | 6.25% Notes due 2037  
Debt Instrument [Line Items]  
Interest Rate 6.25%
Maturity 2037
Principal Amount Outstanding $ 443,000,000
Purchase Price 1,189.56 [1]
Principal Amount Purchased $ 103,000,000
Verizon Communications Inc | 5.85% Notes due 2035  
Debt Instrument [Line Items]  
Interest Rate 5.85%
Maturity 2035
Principal Amount Outstanding $ 800,000,000
Purchase Price 1,151.79 [1]
Principal Amount Purchased $ 249,000,000
Verizon Communications Inc | 6.00% Notes due 2041  
Debt Instrument [Line Items]  
Interest Rate 6.00%
Maturity 2041
Principal Amount Outstanding $ 500,000,000
Purchase Price 1,151.23 [1]
Principal Amount Purchased $ 206,000,000
Verizon Communications Inc | 6.10% Notes due 2018  
Debt Instrument [Line Items]  
Interest Rate 6.10%
Maturity 2018
Principal Amount Outstanding $ 667,000,000
Purchase Price 1,048.45 [1]
Principal Amount Purchased $ 153,000,000
Verizon Communications Inc | 5.50% Notes due 2018  
Debt Instrument [Line Items]  
Interest Rate 5.50%
Maturity 2018
Principal Amount Outstanding $ 646,000,000
Purchase Price 1,037.01 [1]
Principal Amount Purchased $ 113,000,000
Verizon New York Inc | 7.375% Debentures due 2032  
Debt Instrument [Line Items]  
Interest Rate 7.375%
Maturity 2032
Principal Amount Outstanding $ 244,000,000
Purchase Price 1,285.50 [1]
Principal Amount Purchased $ 39,000,000
Verizon New York Inc | 6.50% Debentures due 2028  
Debt Instrument [Line Items]  
Interest Rate 6.50%
Maturity 2028
Principal Amount Outstanding $ 72,000,000
Purchase Price 1,177.23 [1]
Principal Amount Purchased $ 1,000,000
Verizon Pennsylvania LLC | 8.75% Debentures due 2031  
Debt Instrument [Line Items]  
Interest Rate 8.75%
Maturity 2031
Principal Amount Outstanding $ 53,000,000
Purchase Price 1,426.33 [1]
Principal Amount Purchased $ 17,000,000
Verizon Pennsylvania LLC | 8.35% Debentures due 2030  
Debt Instrument [Line Items]  
Interest Rate 8.35%
Maturity 2030
Principal Amount Outstanding $ 48,000,000
Purchase Price 1,384.37 [1]
Principal Amount Purchased $ 16,000,000
Verizon Pennsylvania LLC | 6.00% Debentures due 2028  
Debt Instrument [Line Items]  
Interest Rate 6.00%
Maturity 2028
Principal Amount Outstanding $ 68,000,000
Purchase Price 1,139.69 [1]
Principal Amount Purchased $ 11,000,000
Verizon Delaware LLC | 8.625% Debentures due 2031  
Debt Instrument [Line Items]  
Interest Rate 8.625%
Maturity 2031
Principal Amount Outstanding $ 10,000,000
Purchase Price 1,416.70 [1]
Principal Amount Purchased $ 8,000,000
Verizon Maryland LLC | 8.30% Debentures due 2031  
Debt Instrument [Line Items]  
Interest Rate 8.30%
Maturity 2031
Principal Amount Outstanding $ 24,000,000
Purchase Price 1,378.75 [1]
Principal Amount Purchased $ 2,000,000
Verizon Maryland LLC | 8.00% Debentures due 2029  
Debt Instrument [Line Items]  
Interest Rate 8.00%
Maturity 2029
Principal Amount Outstanding $ 28,000,000
Purchase Price 1,332.71 [1]
Principal Amount Purchased $ 1,000,000
Verizon Maryland LLC | 5.125% Debentures due 2033  
Debt Instrument [Line Items]  
Interest Rate 5.125%
Maturity 2033
Principal Amount Outstanding $ 179,000,000
Purchase Price 1,063.06 [1]
Principal Amount Purchased $ 15,000,000
Verizon Virginia LLC | 8.375% Debentures due 2029  
Debt Instrument [Line Items]  
Interest Rate 8.375%
Maturity 2029
Principal Amount Outstanding $ 19,000,000
Purchase Price 1,367.57 [1]
Principal Amount Purchased $ 9,000,000
Verizon Virginia LLC | 7.875% Debentures due 2022  
Debt Instrument [Line Items]  
Interest Rate 7.875%
Maturity 2022
Principal Amount Outstanding $ 57,000,000
Purchase Price $ 1,206.35 [1]
Verizon New England Inc | 7.875% Debentures due 2029  
Debt Instrument [Line Items]  
Interest Rate 7.875%
Maturity 2029
Principal Amount Outstanding $ 173,000,000
Purchase Price 1,322.35 [1]
Principal Amount Purchased $ 26,000,000
Verizon New Jersey Inc | 7.85% Debentures due 2029  
Debt Instrument [Line Items]  
Interest Rate 7.85%
Maturity 2029
Principal Amount Outstanding $ 87,000,000
Purchase Price 1,319.96 [1]
Principal Amount Purchased $ 8,000,000
Verizon New Jersey Inc | 8.00% Debentures due 2022  
Debt Instrument [Line Items]  
Interest Rate 8.00%
Maturity 2022
Principal Amount Outstanding $ 146,000,000
Purchase Price 1,227.16 [1]
Principal Amount Purchased $ 25,000,000
GTE LLC | 8.75% Debentures due 2021  
Debt Instrument [Line Items]  
Interest Rate 8.75%
Maturity 2021
Principal Amount Outstanding $ 207,000,000
Purchase Price 1,240.28 [1]
Principal Amount Purchased $ 14,000,000
GTE LLC | 6.94% Debentures due 2028  
Debt Instrument [Line Items]  
Interest Rate 6.94%
Maturity 2028
Principal Amount Outstanding $ 413,000,000
Purchase Price 1,270.73 [1]
Principal Amount Purchased $ 85,000,000
GTE LLC | 6.84% Debentures due 2018  
Debt Instrument [Line Items]  
Interest Rate 6.84%
Maturity 2018
Principal Amount Outstanding $ 332,000,000
Purchase Price 1,056.27 [1]
Principal Amount Purchased $ 38,000,000
[1] Per $1,000 principal amount of notes tendered.