Device Payment Plan Agreement and Wireless Service Receivables - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables transferred to ABS Entities	$ 28,481	$ 29,018
Other receivables, net, current	815	1,200
Contract liability	(9,716)	(9,678)
Asset Pledged as Collateral without Right
Accounts, Notes, Loans and Financing Receivable [Line Items]
Receivables transferred to ABS Entities	28,800	29,900
Product Trade-in
Accounts, Notes, Loans and Financing Receivable [Line Items]
Contract liability	$ (325)	$ (396)
Verizon Business Group And Verizon Consumer Group
Accounts, Notes, Loans and Financing Receivable [Line Items]
Maximum threshold period for new customers	210 days
Minimum threshold period for existing customers	210 days
Business | Minimum | Device payment plan agreement
Accounts, Notes, Loans and Financing Receivable [Line Items]
Customer tenure period	12 months
Business | Maximum | Device payment plan agreement
Accounts, Notes, Loans and Financing Receivable [Line Items]
Customer tenure period	12 months
Consumer | Minimum | Device payment plan agreement
Accounts, Notes, Loans and Financing Receivable [Line Items]
Customer tenure period	45 days
Consumer | Maximum | Device payment plan agreement
Accounts, Notes, Loans and Financing Receivable [Line Items]
Customer tenure period	45 days