Debt - Debt Repayments, Redemptions and Repurchases (Details) $ in Millions	12 Months Ended
Dec. 31, 2021 USD ($)
Debt Instrument [Line Items]
Principal Repaid/ Redeemed/ Repurchased	$ 8,028
Amount Paid	$ 9,078
Verizon 2.946% notes due 2022
Debt Instrument [Line Items]
Stated interest rate on debt instrument	2.946%
Principal Repaid/ Redeemed/ Repurchased	$ 713
Amount Paid	$ 730
Verizon 2.450% notes due 2022
Debt Instrument [Line Items]
Stated interest rate on debt instrument	2.45%
Principal Repaid/ Redeemed/ Repurchased	$ 794
Amount Paid	$ 819
Verizon 5.150% notes due 2023
Debt Instrument [Line Items]
Stated interest rate on debt instrument	5.15%
Principal Repaid/ Redeemed/ Repurchased	$ 3,190
Amount Paid	$ 3,519
Verizon 4.150% notes due 2024
Debt Instrument [Line Items]
Stated interest rate on debt instrument	4.15%
Principal Repaid/ Redeemed/ Repurchased	$ 478
Amount Paid	$ 515
GTE LLC 8.750% debentures due 2021
Debt Instrument [Line Items]
Stated interest rate on debt instrument	8.75%
Principal Repaid/ Redeemed/ Repurchased	$ 141
Amount Paid	141
Open market repurchases of various Verizon and subsidiary notes
Debt Instrument [Line Items]
Principal Repaid/ Redeemed/ Repurchased	2,712
Amount Paid	$ 3,354

Contractual interest rate for funds borrowed, under the debt agreement.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495323-112611

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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+ References

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- Definition

The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3291-108585

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