Debt - Issuances and Commercial Paper Program (Details) - USD ($)	3 Months Ended	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2025	Jun. 30, 2024
Short-term Debt [Line Items]
Net Proceeds	$ 1,676,000,000	$ 1,676,000,000
Pension
Short-term Debt [Line Items]
Employer discretionary contribution amount	$ 563,000,000	$ 563,000,000	$ 365,000,000
Verizon 5.250% Notes Due 2035
Short-term Debt [Line Items]
Debt instrument, interest rate, stated percentage	5.25%	5.25%
Principal Amount Issued	$ 2,250,000,000	$ 2,250,000,000
Net Proceeds	1,676,000,000
Commercial Paper
Short-term Debt [Line Items]
Commercial paper issued		10,400,000,000
Repayments of short-term debt		10,400,000,000
Commercial paper	$ 0	$ 0