Debt - Tender Offers (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Jun. 30, 2026	Sep. 30, 2026
Debt Instrument [Line Items]
Principal Amount Purchased	$ 1,858	$ 1,858
Cash Consideration	1,877	$ 1,877
2.100% - 8.750% notes of Verizon and certain of its subsidiaries, due 2027 - 2033
Debt Instrument [Line Items]
Principal Amount Purchased	1,858
Cash Consideration	$ 1,877
2.100% - 8.750% notes of Verizon and certain of its subsidiaries, due 2027 - 2033 \| Minimum
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage		2.10%
2.100% - 8.750% notes of Verizon and certain of its subsidiaries, due 2027 - 2033 \| Maximum
Debt Instrument [Line Items]
Debt instrument, interest rate, stated percentage		8.75%

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