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Debt - Repayments and Repurchases (Details) € in Millions, £ in Millions, $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2024 USD ($)	Jun. 30, 2024 USD ($)	Mar. 31, 2024 USD ($)	Sep. 30, 2024 USD ($)	Jun. 30, 2024 GBP (£)	Mar. 31, 2024 EUR (€)
Debt Instrument [Line Items]
Principal Amount Exchanged				$ 2,256
Principal Amount Issued				2,191
Debt instrument, unamortized premium	$ 65			65
Cash Consideration			$ 2,237	2,237
Amount Paid	362	$ 796	2,028	3,186
Net Proceeds			3,103	$ 3,103
Verizon 0.850% - 4.329% notes and floating rate notes, due 2025 - 2028
Debt Instrument [Line Items]
Principal Amount Exchanged	2,256
Principal Amount Issued	$ 0
Verizon 0.850% - 4.329% notes and floating rate notes, due 2025 - 2028 \| Minimum
Debt Instrument [Line Items]
Stated interest rate on debt instrument	0.85%			0.85%
Verizon 0.850% - 4.329% notes and floating rate notes, due 2025 - 2028 \| Maximum
Debt Instrument [Line Items]
Stated interest rate on debt instrument	4.329%			4.329%
Verizon 4.780% notes, due 2035
Debt Instrument [Line Items]
Stated interest rate on debt instrument	4.78%			4.78%
Principal Amount Exchanged	$ 0
Principal Amount Issued	2,191
Verizon 0.875% - 3.250% notes due 2025 - 2028
Debt Instrument [Line Items]
Principal Amount Purchased \| €						€ 1,981
Cash Consideration			$ 2,237
Verizon 0.875% - 3.250% notes due 2025 - 2028 \| Minimum
Debt Instrument [Line Items]
Stated interest rate on debt instrument			0.875%			0.875%
Verizon 0.875% - 3.250% notes due 2025 - 2028 \| 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
Verizon 4.073% notes due 2024
Debt Instrument [Line Items]
Stated interest rate on debt instrument		4.073%			4.073%
Principal Repaid/ Repurchased \| £					£ 413
Amount Paid		$ 582
Open market repurchases of various Verizon notes
Debt Instrument [Line Items]
Principal Repaid/ Repurchased	450	306	117	$ 450
Amount Paid	$ 362	$ 214	$ 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