Equity and Accumulated Other Comprehensive Loss - Changes in Components of Total Equity (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock, beginning balance (in shares)	(81,753,488)
Beginning balance	$ 100,575
Net income attributable to Verizon	4,879	$ 4,602
Foreign currency translation adjustments	67	(50)
Unrealized gain on cash flow hedges	21	35
Unrealized gain (loss) on fair value hedges	(653)	200
Unrealized gain (loss) on marketable securities	1	(2)
Defined benefit pension and postretirement plans	(2)	(2)
Other comprehensive income (loss) attributable to Verizon	$ (566)	181
Shareholder plans (in shares)	6,600,000
Total comprehensive income	$ 4,417	4,903
Treasury stock, ending balance (in shares)	(75,178,732)
Ending balance	$ 102,037	$ 95,726
Dividends declared per common share (USD per share)	$ 0.6775	$ 0.6650
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	4,291,434,000	4,291,434,000
Beginning balance	$ 429	$ 429
Ending balance (in shares)	4,291,434,000	4,291,434,000
Ending balance	$ 429	$ 429
Additional Paid In Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	13,466	13,631
Other	(51)	(60)
Ending balance	13,415	13,571
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	89,110	82,915
Net income attributable to Verizon	4,879	4,602
Dividends declared ($0.6775, $0.6650 per share)	(2,861)	(2,799)
Other	0	(4)
Ending balance	91,128	84,714
Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(923)	(1,380)
Foreign currency translation adjustments	67	(50)
Unrealized gain on cash flow hedges	21	35
Unrealized gain (loss) on fair value hedges	(653)	200
Unrealized gain (loss) on marketable securities	1	(2)
Defined benefit pension and postretirement plans	(2)	(2)
Other comprehensive income (loss) attributable to Verizon	(566)	181
Ending balance	$ (1,489)	$ (1,199)
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock, beginning balance (in shares)	(81,753,000)	(87,173,000)
Beginning balance	$ (3,583)	$ (3,821)
Employee plans (in shares)	6,575,000	4,992,000
Employee plans	$ 288	$ 219
Shareholder plans (in shares)	0	2,000
Shareholder plans	$ 0	$ 0
Treasury stock, ending balance (in shares)	(75,178,000)	(82,179,000)
Ending balance	$ (3,295)	$ (3,602)
Deferred Compensation-ESOPs and Other
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	738	656
Restricted stock equity grant	191	102
Amortization	(395)	(337)
Ending balance	534	421
Noncontrolling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	1,338	1,369
Total comprehensive income	104	120
Distributions and other	(127)	(97)
Ending balance	$ 1,315	$ 1,392