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Debt - Repayments and Repurchases (Details) - 3 months ended Mar. 31, 2024 € in Millions, $ in Millions	USD ($)	EUR (€)	USD ($)
Debt Instrument [Line Items]
Amount Paid	$ 2,028
Net Proceeds	3,103
Verizon 0.875%-3.250% Notes Due 2025 - 2028 \| Debt Tender Offers
Debt Instrument [Line Items]
Principal Amount Purchased \| €		€ 1,981
Cash Consideration	2,237
Verizon 0.875%-3.250% Notes Due 2025 - 2028 \| Debt Tender Offers \| Minimum
Debt Instrument [Line Items]
Stated interest rate on debt instrument		0.875%	0.875%
Verizon 0.875%-3.250% Notes Due 2025 - 2028 \| Debt Tender Offers \| Maximum
Debt Instrument [Line Items]
Stated interest rate on debt instrument		3.25%	3.25%
Verizon 1.625% notes due 2024
Debt Instrument [Line Items]
Stated interest rate on debt instrument		1.625%	1.625%
Principal Repaid/ Repurchased \| €		€ 685
Amount Paid	840
Verizon 0.750% notes due 2024
Debt Instrument [Line Items]
Stated interest rate on debt instrument		0.75%	0.75%
Principal Repaid/ Repurchased			$ 999
Amount Paid	1,003
Verizon floating rate notes due 2024
Debt Instrument [Line Items]
Principal Repaid/ Repurchased			95
Amount Paid	96
Open market repurchases of various Verizon notes
Debt Instrument [Line Items]
Principal Repaid/ Repurchased			$ 117
Amount Paid	89
3.500% Notes due 2032
Debt Instrument [Line Items]
Stated interest rate on debt instrument		3.50%	3.50%
Principal Amount Issued \| €		€ 1,000
Net Proceeds	1,062
3.750% Notes due 2036
Debt Instrument [Line Items]
Stated interest rate on debt instrument		3.75%	3.75%
Principal Amount Issued \| €		€ 1,000
Net Proceeds	1,061
Verizon 5.500% notes due 2054
Debt Instrument [Line Items]
Stated interest rate on debt instrument		5.50%	5.50%
Principal Amount Issued			$ 1,000
Net Proceeds	$ 980