v2.4.0.8
Outstanding Long-Term Debt Obligations (Detail) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Schedule of Capitalization, Long-term Debt [Line Items]    
Capital lease obligations (average rate of 8.1% and 6.3% in 2013 and 2012, respectively) $ 293 $ 298
Unamortized discount, net of premium (264) (228)
Total long-term debt, including current maturities 93,144 51,487
Less long-term debt maturing within one year 3,486 3,869
Total long-term debt 89,658 47,618
Verizon Communications | 0.50% - 3.85% Notes Payable And Other
    
Schedule of Capitalization, Long-term Debt [Line Items]    
Interest rate range, minimum 0.50%  
Interest rate range, maximum 3.85%  
Maturity date range, start 2014  
Maturity date range, end 2042  
Notes payable and other 20,416 11,198
Verizon Communications | 4.50% - 5.50% Notes Payable And Other
    
Schedule of Capitalization, Long-term Debt [Line Items]    
Interest rate range, minimum 4.50%  
Interest rate range, maximum 5.50%  
Maturity date range, start 2015  
Maturity date range, end 2041  
Notes payable and other 20,226 7,062
Verizon Communications | 5.55% - 6.90% Notes Payable And Other
    
Schedule of Capitalization, Long-term Debt [Line Items]    
Interest rate range, minimum 5.55%  
Interest rate range, maximum 6.90%  
Maturity date range, start 2016  
Maturity date range, end 2043  
Notes payable and other 31,965 11,031
Verizon Communications | 7.35% - 8.95% Notes Payable And Other
    
Schedule of Capitalization, Long-term Debt [Line Items]    
Interest rate range, minimum 7.35%  
Interest rate range, maximum 8.95%  
Maturity date range, start 2018  
Maturity date range, end 2039  
Notes payable and other 5,023 5,017
Verizon Communications | Floating Notes Payable And Other
    
Schedule of Capitalization, Long-term Debt [Line Items]    
Maturity date range, start 2014  
Maturity date range, end 2018  
Notes payable and other 5,500 1,000
Verizon Wireless | 8.50% - 8.88% Notes Payable and Other
    
Schedule of Capitalization, Long-term Debt [Line Items]    
Interest rate range, minimum 8.50%  
Interest rate range, maximum 8.88%  
Maturity date range, start 2015  
Maturity date range, end 2018  
Notes payable and other 3,931 8,635
Verizon Wireless | 6.80% - 7.88% Alltel assumed notes
    
Schedule of Capitalization, Long-term Debt [Line Items]    
Interest rate range, minimum 6.80%  
Interest rate range, maximum 7.88%  
Maturity date range, start 2016  
Maturity date range, end 2032  
Notes payable and other 1,300 1,500
Telephone Subsidiaries | 5.13% - 6.86% Debentures
    
Schedule of Capitalization, Long-term Debt [Line Items]    
Interest rate range, minimum 5.13%  
Interest rate range, maximum 6.86%  
Maturity date range, start 2027  
Maturity date range, end 2033  
Notes payable and other 1,075 2,045
Telephone Subsidiaries | 7.38% - 7.88% Debentures
    
Schedule of Capitalization, Long-term Debt [Line Items]    
Interest rate range, minimum 7.38%  
Interest rate range, maximum 7.88%  
Maturity date range, start 2022  
Maturity date range, end 2032  
Notes payable and other 1,099 1,349
Telephone Subsidiaries | 8.00% - 8.75% Debentures
    
Schedule of Capitalization, Long-term Debt [Line Items]    
Interest rate range, minimum 8.00%  
Interest rate range, maximum 8.75%  
Maturity date range, start 2019  
Maturity date range, end 2031  
Notes payable and other 880 880
Other Subsidiaries | 6.84% - 8.75% Debentures And Other
    
Schedule of Capitalization, Long-term Debt [Line Items]    
Interest rate range, minimum 6.84%  
Interest rate range, maximum 8.75%  
Maturity date range, start 2018  
Maturity date range, end 2028  
Notes payable and other $ 1,700 $ 1,700