Acquisitions and Divestitures - TracFone Wireless, Inc. Net Assets Acquired (Details) - USD ($) $ in Millions		1 Months Ended	12 Months Ended
	Nov. 23, 2021	Nov. 30, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Cash, net of cash acquired and working capital and other adjustments			$ (248)	$ 4,065	$ 520
Assets acquired:
Goodwill			28,671	$ 28,603	$ 24,773
TracFone Wireless, Inc.
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Cash, net of cash acquired and working capital and other adjustments	$ 3,491
Measurement period adjustment, cash, net of cash acquired	7
Fair value of Verizon common stock (57,596,544 shares)	2,981
Measurement period adjustment, fair value of Verizon common stock	0
Estimated liabilities to be paid	542
Measurement period adjustment, fair value of contingent consideration to be paid	18
Total consideration	7,014
Measurement period adjustment, total consideration	25
Assets acquired:
Current assets	1,370
Measurement period adjustment, current assets	9
Property, plant and equipment, net	96
Measurement period adjustment, property, plant, ,and equipment	(10)
Goodwill	3,723
Measurement period adjustment, goodwill	100
Other intangible assets	4,374
Measurement period adjustment, other intangible assets	(19)		$ 110
Other assets	731
Measurement period adjustment, other assets	(58)
Total assets acquired	10,294
Measurement period adjustment, total assets acquired	22
Liabilities assumed:
Current liabilities	1,433
Measurement period adjustment, current liabilities	70
Deferred income taxes	1,007
Measurement period adjustment, deferred income taxes	37
Other liabilities	840
Measurement period adjustment, other liabilities	(110)
Total liabilities assumed	3,280
Measurement period adjustment, total liabilities assumed	(3)
Net assets acquired	7,014
Measurement period adjustment, net assets acquired	$ 25
Number of shares issuable (in shares)	57,596,544	57,600,000
TracFone Wireless, Inc. | Adjusted Fair Value
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract]
Cash, net of cash acquired and working capital and other adjustments	$ 3,498
Fair value of Verizon common stock (57,596,544 shares)	2,981
Estimated liabilities to be paid	560
Total consideration	7,039
Assets acquired:
Current assets	1,379
Property, plant and equipment, net	86
Goodwill	3,823
Other intangible assets	4,355
Other assets	673
Total assets acquired	10,316
Liabilities assumed:
Current liabilities	1,503
Deferred income taxes	1,044
Other liabilities	730
Total liabilities assumed	3,277
Net assets acquired	$ 7,039