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Debt - Repayments, Redemptions and Repurchases (Details) SFr in Millions, $ in Millions, $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Sep. 30, 2023 USD ($)	Jun. 30, 2023 CHF (SFr)	Mar. 31, 2023 AUD ($)
Debt Instrument [Line Items]
Amount Paid		$ 810	$ 1,040	$ 1,850
Debt Tender Offers
Debt Instrument [Line Items]
Principal Amount Purchased	$ 2,579			2,579
Cash Consideration	2,471			2,471
Verizon 2.550%-5.050% Notes And Floating Rate Notes Due 2024-2036 | Debt Tender Offers
Debt Instrument [Line Items]
Principal Amount Purchased	2,579			$ 2,579
Cash Consideration	$ 2,471
Verizon 2.550%-5.050% Notes And Floating Rate Notes Due 2024-2036 | Debt Tender Offers | Minimum
Debt Instrument [Line Items]
Stated interest rate on debt instrument	2.55%			2.55%
Verizon 2.550%-5.050% Notes And Floating Rate Notes Due 2024-2036 | Debt Tender Offers | Maximum
Debt Instrument [Line Items]
Stated interest rate on debt instrument	5.05%			5.05%
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%
Principal Repaid/ Repurchased | SFr					SFr 600
Amount Paid		$ 633
Open market repurchases of various Verizon notes
Debt Instrument [Line Items]
Principal Repaid/ Repurchased		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%
Principal Amount Issued	$ 1,000	$ 1,000		$ 1,000
Net Proceeds		$ 994		$ 994

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