Debt - Exchange Offers (Details) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026 USD ($)	Jun. 30, 2026 USD ($)
Debt Instrument [Line Items]
Principal Amount Exchanged	$ 161	$ 161
Principal Amount Issued	161	$ 161
5.125% - 8.625% notes issued by certain subsidiaries of Verizon, due 2028 - 2033
Debt Instrument [Line Items]
Principal Amount Exchanged	161
Principal Amount Issued	$ 0
5.125% - 8.625% notes issued by certain subsidiaries of Verizon, due 2028 - 2033 \| Minimum
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	5.125%	5.125%
5.125% - 8.625% notes issued by certain subsidiaries of Verizon, due 2028 - 2033 \| Maximum
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	8.625%	8.625%
Verizon 5.125% - 8.625% notes, due 2028 - 2033
Debt Instrument [Line Items]
Principal Amount Exchanged	$ 0
Principal Amount Issued	$ 161
Verizon 5.125% - 8.625% notes, due 2028 - 2033 \| Minimum
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	5.125%	5.125%
Verizon 5.125% - 8.625% notes, due 2028 - 2033 \| Maximum
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage	8.625%	8.625%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details