Acquisitions and Divestitures - TracFone Wireless, Inc. (Details) - USD ($) $ in Millions		1 Months Ended	12 Months Ended
	Nov. 23, 2021	Nov. 30, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Business acquisition, purchase price in cash			$ 4,065	$ 520	$ 29
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Cash, net of cash acquired and working capital and other adjustments			4,065	520	29
Assets acquired:
Goodwill			$ 28,603	$ 24,773	$ 24,389
TracFone Wireless, Inc.
Business Acquisition [Line Items]
Business acquisition, purchase price in cash	$ 3,491
Number of shares issuable (in shares)	57,596,544	57,600,000
Common stock value consideration to acquire business	$ 2,981
Future cash consideration related to achievement of certain performance measures	650
Fair value of contingent consideration	542
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Cash, net of cash acquired and working capital and other adjustments	3,491
Fair value of Verizon common stock (57,596,544 shares)	2,981
Estimated liabilities to be paid	542
Total consideration	7,014
Assets acquired:
Current assets	1,370
Property, plant and equipment, net	96
Goodwill	3,723
Other intangible assets	4,374
Other assets	731
Total assets acquired	10,294
Liabilities assumed:
Current liabilities	1,433
Deferred income taxes	1,007
Other liabilities	840
Total liabilities assumed	3,280
Net assets acquired	7,014
Contingent liability	730
Indemnification assets	730
TracFone Wireless, Inc. | Customer Relationships
Assets acquired:
Other intangible assets	$ 2,300
Liabilities assumed:
Weighted-average amortization period	6 years
TracFone Wireless, Inc. | Distribution Relationships
Assets acquired:
Other intangible assets	$ 1,300
Liabilities assumed:
Weighted-average amortization period	5 years
TracFone Wireless, Inc. | Trade Names
Assets acquired:
Other intangible assets	$ 744
Liabilities assumed:
Weighted-average amortization period	16 years 6 months
TracFone Wireless, Inc. | Acquired Technology
Assets acquired:
Other intangible assets	$ 110
Liabilities assumed:
Weighted-average amortization period	10 years