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Cover Page - USD ($)
 12 Months Ended
Dec. 31, 2019
Jan. 31, 2020
Jun. 30, 2019
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2019    
Document Transition Report false    
Entity File Number 1-8606    
Entity Registrant Name Verizon Communications Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 23-2259884    
Entity Address, Address Line One 1095 Avenue of the Americas    
Entity Address, City or Town New York,    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 10036    
City Area Code 212    
Local Phone Number 395-1000    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Public Float     $ 236,226,048,492
Entity Common Stock, Shares Outstanding   4,135,863,778  
Documents Incorporated by Reference
Portions of the registrant’s Annual Report to Shareholders for the year ended December 31, 2019 (Parts I and II).
Portions of the registrant’s definitive Proxy Statement to be delivered to shareholders in connection with the registrant’s 2020 Annual Meeting of Shareholders (Part III).
    
Entity Central Index Key 0000732712    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Amendment Flag false    
2.375% Notes due 2022      
Document Information [Line Items]      
Title of 12(b) Security 2.375% Notes due 2022    
Trading Symbol VZ22A    
Security Exchange Name NYSE    
0.500% Notes due 2022      
Document Information [Line Items]      
Title of 12(b) Security 0.500% Notes due 2022    
Trading Symbol VZ22B    
Security Exchange Name NYSE    
1.625% Notes due 2024      
Document Information [Line Items]      
Title of 12(b) Security 1.625% Notes due 2024    
Trading Symbol VZ24B    
Security Exchange Name NYSE    
4.073% Notes due 2024      
Document Information [Line Items]      
Title of 12(b) Security 4.073% Notes due 2024    
Trading Symbol VZ24C    
Security Exchange Name NYSE    
0.875% Notes due 2025      
Document Information [Line Items]      
Title of 12(b) Security 0.875% Notes due 2025    
Trading Symbol VZ25    
Security Exchange Name NYSE    
3.250% Notes due 2026      
Document Information [Line Items]      
Title of 12(b) Security 3.250% Notes due 2026    
Trading Symbol VZ26    
Security Exchange Name NYSE    
1.375% Notes due 2026      
Document Information [Line Items]      
Title of 12(b) Security 1.375% Notes due 2026    
Trading Symbol VZ26B    
Security Exchange Name NYSE    
0.875% Notes due 2027      
Document Information [Line Items]      
Title of 12(b) Security 0.875% Notes due 2027    
Trading Symbol VZ27E    
Security Exchange Name NYSE    
1.375% Notes due 2028      
Document Information [Line Items]      
Title of 12(b) Security 1.375% Notes due 2028    
Trading Symbol VZ28    
Security Exchange Name NYSE    
1.875% Notes due 2029      
Document Information [Line Items]      
Title of 12(b) Security 1.875% Notes due 2029    
Trading Symbol VZ29B    
Security Exchange Name NYSE    
1.250% Notes due 2030      
Document Information [Line Items]      
Title of 12(b) Security 1.250% Notes due 2030    
Trading Symbol VZ30    
Security Exchange Name NYSE    
1.875% Notes due 2030      
Document Information [Line Items]      
Title of 12(b) Security 1.875% Notes due 2030    
Trading Symbol VZ30A    
Security Exchange Name NYSE    
2.625% Notes due 2031      
Document Information [Line Items]      
Title of 12(b) Security 2.625% Notes due 2031    
Trading Symbol VZ31    
Security Exchange Name NYSE    
2.500% Notes due 2031      
Document Information [Line Items]      
Title of 12(b) Security 2.500% Notes due 2031    
Trading Symbol VZ31A    
Security Exchange Name NYSE    
0.875% Notes due 2032      
Document Information [Line Items]      
Title of 12(b) Security 0.875% Notes due 2032    
Trading Symbol VZ32    
Security Exchange Name NYSE    
4.750% Notes due 2034      
Document Information [Line Items]      
Title of 12(b) Security 4.750% Notes due 2034    
Trading Symbol VZ34    
Security Exchange Name NYSE    
3.125% Notes due 2035      
Document Information [Line Items]      
Title of 12(b) Security 3.125% Notes due 2035    
Trading Symbol VZ35    
Security Exchange Name NYSE    
3.375% Notes due 2036      
Document Information [Line Items]      
Title of 12(b) Security 3.375% Notes due 2036    
Trading Symbol VZ36A    
Security Exchange Name NYSE    
2.875% Notes due 2038      
Document Information [Line Items]      
Title of 12(b) Security 2.875% Notes due 2038    
Trading Symbol VZ38B    
Security Exchange Name NYSE    
1.500% Notes due 2039      
Document Information [Line Items]      
Title of 12(b) Security 1.500% Notes due 2039    
Trading Symbol VZ39C    
Security Exchange Name NYSE    
New York Stock Exchange | Common Stock, par value $0.10      
Document Information [Line Items]      
Title of 12(b) Security Common Stock, par value $0.10    
Trading Symbol VZ    
Security Exchange Name NYSE    
The NASDAQ Global Select Market | Common Stock, par value $0.10      
Document Information [Line Items]      
Title of 12(b) Security Common Stock, par value $0.10    
Trading Symbol VZ    
Security Exchange Name NASDAQ