Debt - Schedule of Significant Debt Transactions (Details) € in Millions, £ in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2024 EUR (€)	Dec. 31, 2024 GBP (£)
Exchange Offers
Principal Amount Exchanged	$ 2,256
Principal Amount Issued	2,191
Debt instrument, unamortized premium	65
Tender Offer
Principal Amount Purchased
Cash Consideration	5,504
Repayments, Redemptions and Repurchases
Repayments of debt	4,688
Issuances
Net Proceeds	3,103
Verizon 0.850%-4.329% Notes Due 2025-2028
Exchange Offers
Principal Amount Exchanged	2,256
Principal Amount Issued	$ 0
Verizon 4.780% Notes Due 2035
Exchange Offers
Debt instrument, interest rate, stated percentage	4.78%	4.78%	4.78%
Principal Amount Exchanged	$ 0
Principal Amount Issued	2,191
Verizon 0.875%-3.250% Notes And Floating Rate Notes Due 2025-2028
Tender Offer
Principal Amount Purchased	1,981
Cash Consideration	2,237
Verizon 0.850% - 3.376% notes and floating rate notes, due 2025 - 2026
Tender Offer
Principal Amount Purchased	3,314
Cash Consideration	$ 3,267
Verizon 1.625% notes due 2024
Exchange Offers
Debt instrument, interest rate, stated percentage	1.625%	1.625%	1.625%
Repayments, Redemptions and Repurchases
Principal Repaid/ Repurchased | €		€ 685
Repayments of debt	$ 840
Verizon 4.073% notes due 2024
Exchange Offers
Debt instrument, interest rate, stated percentage	4.073%	4.073%	4.073%
Repayments, Redemptions and Repurchases
Principal Repaid/ Repurchased | £			£ 413
Repayments of debt	$ 582
Verizon 0.750% notes due 2024
Exchange Offers
Debt instrument, interest rate, stated percentage	0.75%	0.75%	0.75%
Repayments, Redemptions and Repurchases
Principal Repaid/ Repurchased	$ 999
Repayments of debt	1,003
Verizon Floating Rate Notes Due 2024
Repayments, Redemptions and Repurchases
Principal Repaid/ Repurchased	95
Repayments of debt	$ 96
Verizon 3.500% notes due 2024
Exchange Offers
Debt instrument, interest rate, stated percentage	3.50%	3.50%	3.50%
Repayments, Redemptions and Repurchases
Principal Repaid/ Repurchased	$ 1,161
Repayments of debt	1,182
Open market repurchases of various Verizon notes
Repayments, Redemptions and Repurchases
Principal Repaid/ Repurchased	1,255
Repayments of debt	985
Gain on debt repurchase	$ 267
3.500% Notes due 2032
Exchange Offers
Debt instrument, interest rate, stated percentage	3.50%	3.50%	3.50%
Issuances
Principal Amount Issued | €		€ 1,000
Net Proceeds	$ 1,062
3.750% Notes due 2036
Exchange Offers
Debt instrument, interest rate, stated percentage	3.75%	3.75%	3.75%
Issuances
Principal Amount Issued | €		€ 1,000
Net Proceeds	$ 1,061
5.500% Notes Due 2054
Exchange Offers
Debt instrument, interest rate, stated percentage	5.50%	5.50%	5.50%
Issuances
Principal Amount Issued	$ 1,000
Net Proceeds	$ 980
Minimum | Verizon 0.850%-4.329% Notes Due 2025-2028
Exchange Offers
Debt instrument, interest rate, stated percentage	0.85%	0.85%	0.85%
Minimum | Verizon 0.875%-3.250% Notes And Floating Rate Notes Due 2025-2028
Exchange Offers
Debt instrument, interest rate, stated percentage	0.875%	0.875%	0.875%
Minimum | Verizon 0.850% - 3.376% notes and floating rate notes, due 2025 - 2026
Exchange Offers
Debt instrument, interest rate, stated percentage	0.85%	0.85%	0.85%
Maximum | Verizon 0.850%-4.329% Notes Due 2025-2028
Exchange Offers
Debt instrument, interest rate, stated percentage	4.329%	4.329%	4.329%
Maximum | Verizon 0.875%-3.250% Notes And Floating Rate Notes Due 2025-2028
Exchange Offers
Debt instrument, interest rate, stated percentage	3.25%	3.25%	3.25%
Maximum | Verizon 0.850% - 3.376% notes and floating rate notes, due 2025 - 2026
Exchange Offers
Debt instrument, interest rate, stated percentage	3.376%	3.376%	3.376%