Debt - Exchange Offers (Details) - Exchange Offers $ in Millions	Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
Principal Amount Exchanged	$ 4,480
Principal Amount Issued	4,664
Debt discount	184
Verizon 0.750% - 4.150% notes and floating rate notes, due 2024 - 2026
Debt Instrument [Line Items]
Principal Amount Exchanged	$ 4,480
Verizon 0.750% - 4.150% notes and floating rate notes, due 2024 - 2026 | Minimum
Debt Instrument [Line Items]
Stated interest rate on debt instrument	0.75%
Verizon 0.750% - 4.150% notes and floating rate notes, due 2024 - 2026 | Maximum
Debt Instrument [Line Items]
Stated interest rate on debt instrument	4.15%
Verizon 2.355% Notes Due 2032
Debt Instrument [Line Items]
Stated interest rate on debt instrument	2.355%
Principal Amount Issued	$ 4,664