Debt - Repayments, Redemptions and Repurchases (Details) SFr in Millions, $ in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2023 CHF (SFr)	Mar. 31, 2023 AUD ($)	Mar. 31, 2023 USD ($)
Debt Instrument [Line Items]
Amount Paid	$ 810	$ 1,040	$ 1,850
Verizon 3.500% notes and floating rate notes due 2023
Debt Instrument [Line Items]
Stated interest rate on debt instrument					3.50%	3.50%
Principal Repaid/ Repurchased					$ 1,050
Amount Paid		850
Verizon 0.375% bonds due 2023
Debt Instrument [Line Items]
Stated interest rate on debt instrument	0.375%		0.375%	0.375%
Principal Repaid/ Repurchased | SFr				SFr 600
Amount Paid	$ 633
Open market repurchases of various Verizon notes
Debt Instrument [Line Items]
Principal Repaid/ Repurchased	247		$ 247			$ 260
Amount Paid	$ 177	$ 190
Verizon 5.050% notes due 2033
Debt Instrument [Line Items]
Stated interest rate on debt instrument	5.05%		5.05%	5.05%
Principal amount issued	$ 1,000		$ 1,000
Net Proceeds	$ 994		$ 994