Equity and Accumulated Other Comprehensive Loss - Changes in Components of Total Equity (Detail) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Accumulated Other Comprehensive Loss [Line Items]
Dividends declared per common share (USD per share)	$ 0.6525	$ 0.6400	$ 1.3050	$ 1.2800
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock, beginning balance (in shares)			(91,572,258)
Beginning balance			$ 92,463
Net income attributable to Verizon	$ 4,648	$ 5,199	9,557	$ 9,779
Foreign currency translation adjustments	(6)	(136)	20	(165)
Unrealized gain on cash flow hedges	25	72	46	279
Unrealized gain (loss) on fair value hedges	293	(272)	(9)	(272)
Unrealized loss on marketable securities	(2)	(6)	2	(24)
Defined benefit pension and postretirement plans	(54)	(72)	$ (115)	(211)
Shareholder plans (in shares)			4,200,000
Total comprehensive income	$ 5,022	4,901	$ 9,728	9,633
Treasury stock, ending balance (in shares)	(87,393,661)		(87,393,661)
Ending balance	$ 96,502	$ 87,357	$ 96,502	$ 87,357
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	4,291,434,000	4,291,434,000	4,291,434,000	4,291,434,000
Beginning balance	$ 429	$ 429	$ 429	$ 429
Ending balance (in shares)	4,291,434,000	4,291,434,000	4,291,434,000	4,291,434,000
Ending balance	$ 429	$ 429	$ 429	$ 429
Additional Paid In Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	13,523	13,874	13,420	13,861
Other	0	(2)	103	11
Ending balance	13,523	13,872	13,523	13,872
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	84,543	73,891	82,380	71,993
Net income attributable to Verizon	4,648	5,199	9,557	9,779
Dividends declared ($0.6525, $0.6400 per share)	(2,743)	(2,687)	(5,489)	(5,379)
Other	0	(2)	0	8
Ending balance	86,448	76,401	86,448	76,401
Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(2,177)	(906)	(1,865)	(927)
Foreign currency translation adjustments	(6)	(136)	20	(165)
Unrealized gain on cash flow hedges	25	72	46	279
Unrealized gain (loss) on fair value hedges	293	(272)	(9)	(272)
Unrealized loss on marketable securities	(2)	(6)	2	(24)
Defined benefit pension and postretirement plans	(54)	(72)	(115)	(211)
Other comprehensive income (loss)	256	(414)	(56)	(393)
Ending balance	$ (1,921)	$ (1,320)	$ (1,921)	$ (1,320)
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Treasury stock, beginning balance (in shares)	(87,442,000)	(91,790,000)	(91,572,000)	(93,635,000)
Beginning balance	$ (3,832)	$ (4,023)	$ (4,013)	$ (4,104)
Employee plans (in shares)	48,000	71,000	4,175,000	1,913,000
Employee plans	$ 2	$ 3	$ 183	$ 84
Shareholder plans (in shares)			3,000	3,000
Shareholder plans			$ 0	$ 0
Treasury stock, ending balance (in shares)	(87,394,000)	(91,719,000)	(87,394,000)	(91,719,000)
Ending balance	$ (3,830)	$ (4,020)	$ (3,830)	$ (4,020)
Deferred Compensation-ESOPs and Other
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	397	497	793	538
Restricted stock equity grant	150	160	136	269
Amortization	(3)	(3)	(385)	(153)
Ending balance	544	654	544	654
Noncontrolling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	1,336	1,413	1,319	1,410
Total comprehensive income	118	116	227	247
Distributions and other	(145)	(188)	(237)	(316)
Ending balance	$ 1,309	$ 1,341	$ 1,309	$ 1,341