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Amount of short-term and long-term debt and lease obligation.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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Debt - Credit Facilities, Non-Cash Transaction, Early Debt Redemptions, Guarantees, Debt Covenants (Detail) - USD ($)	1 Months Ended	12 Months Ended
	Nov. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Facility Capacity		$ 16,500,000,000
Unused Capacity		9,418,000,000
Principal Amount Outstanding		4,676,000,000
Repayments of debt		9,078,000,000
Value of purchase assets financed		5,900,000,000	$ 4,100,000,000
Long-term debt maturing within one year		7,443,000,000	5,569,000,000
Debt extinguishment losses		3,600,000,000	121,000,000	$ 3,700,000,000
Guarantee of Debentures of Operating Telephone Company Subsidiaries
Debt Instrument [Line Items]
Principal amount outstanding in connection with the guarantee of debt obligations		765,000,000
Network Equipment \| Alternative Financing Facility
Debt Instrument [Line Items]
Value of purchase assets financed		461,000,000	1,700,000,000	$ 563,000,000
Long-term debt maturing within one year		1,300,000,000	1,600,000,000
Verizon revolving credit facility
Debt Instrument [Line Items]
Facility Capacity		9,500,000,000
Unused Capacity		9,418,000,000
Various export credit facilities
Debt Instrument [Line Items]
Facility Capacity		7,000,000,000
Unused Capacity		0
Principal Amount Outstanding		4,676,000,000
Amount drawn from credit facilities		$ 1,000,000,000	$ 1,000,000,000
Various export credit facilities \| Export Credit Facility
Debt Instrument [Line Items]
Repayments of debt	$ 500,000,000