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Debt - Schedule of Long-term Debt Obligations (Detail) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Finance lease obligations | $ 2,349 | $ 2,091
Unamortized discount, net of premium | (3,604) | (3,812)
Unamortized debt issuance costs | (558) | (616)
Total long-term debt, including current maturities | 143,949 | 150,674
Less long-term debt maturing within one year | 22,568 | 12,973
Total long-term debt | 121,381 | 137,701
Add short-term vendor financing arrangements | 65 | 0
Debt maturing within one year | 22,633 | 12,973
Total debt | $ 144,014 | $ 150,674
Finance Lease, Liability |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Finance lease obligations average rate | 4.80% | 2.90%
Vendor Financing Arrangements |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Long-term debt, gross | $ 85 | $ 64
Floating Rate, Maturities Less Than 5 Years And 5 To 10 Years | Minimum |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Debt instrument, percentage points added to the reference rate | 4.598% |
Floating Rate, Maturities Less Than 5 Years And 5 To 10 Years | Maximum |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Debt instrument, percentage points added to the reference rate | 5.556% |
Verizon Communications | Maturities Less Than 5 Years |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Long-term debt, gross | $ 29,325 | 33,316
Verizon Communications | Maturities Less Than 5 Years | Minimum |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Debt instrument, interest rate, stated percentage | 0.75% |
Verizon Communications | Maturities Less Than 5 Years | Maximum |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Debt instrument, interest rate, stated percentage | 6.94% |
Verizon Communications | Maturities 5 To 10 Years |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Long-term debt, gross | $ 33,851 | 37,229
Verizon Communications | Maturities 5 To 10 Years | Minimum |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Debt instrument, interest rate, stated percentage | 1.50% |
Verizon Communications | Maturities 5 To 10 Years | Maximum |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Debt instrument, interest rate, stated percentage | 7.88% |
Verizon Communications | Maturities Greater Than 10 Years |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Long-term debt, gross | $ 52,719 | 55,355
Verizon Communications | Maturities Greater Than 10 Years | Minimum |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Debt instrument, interest rate, stated percentage | 1.13% |
Verizon Communications | Maturities Greater Than 10 Years | Maximum |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Debt instrument, interest rate, stated percentage | 8.95% |
Verizon Communications | Floating Rate, Maturities Less Than 5 Years |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Long-term debt, gross | $ 1,171 | 2,099
Verizon Communications | Floating Rate, Maturities 5 To 10 Years |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Long-term debt, gross | $ 1,735 | 2,029
Alltel Corporation | Maturities Less Than 5 Years |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Debt instrument, interest rate, stated percentage | 6.80% |
Long-term debt, gross | $ 38 |
Alltel Corporation | Maturities 5 To 10 Years |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Long-term debt, gross | $ 56 | 94
Alltel Corporation | Maturities 5 To 10 Years | Minimum |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Debt instrument, interest rate, stated percentage | 6.80% |
Alltel Corporation | Maturities 5 To 10 Years | Maximum |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Debt instrument, interest rate, stated percentage | 7.88% |
Operating telephone company subsidiaries—debentures | Maturities Less Than 5 Years |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Long-term debt, gross | $ 286 | 79
Operating telephone company subsidiaries—debentures | Maturities Less Than 5 Years | Minimum |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Debt instrument, interest rate, stated percentage | 6.00% |
Operating telephone company subsidiaries—debentures | Maturities Less Than 5 Years | Maximum |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Debt instrument, interest rate, stated percentage | 8.38% |
Operating telephone company subsidiaries—debentures | Maturities 5 To 10 Years |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Long-term debt, gross | $ 328 | 535
Operating telephone company subsidiaries—debentures | Maturities 5 To 10 Years | Minimum |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Debt instrument, interest rate, stated percentage | 5.13% |
Operating telephone company subsidiaries—debentures | Maturities 5 To 10 Years | Maximum |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Debt instrument, interest rate, stated percentage | 8.75% |
Other subsidiaries – asset-backed debt | Maturities Less Than 5 Years |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Long-term debt, gross | $ 16,363 | 14,048
Other subsidiaries – asset-backed debt | Maturities Less Than 5 Years | Minimum |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Debt instrument, interest rate, stated percentage | 0.50% |
Other subsidiaries – asset-backed debt | Maturities Less Than 5 Years | Maximum |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Debt instrument, interest rate, stated percentage | 6.09% |
Other subsidiaries – asset-backed debt | Floating Rate, Maturities Less Than 5 Years |  |
Schedule of Capitalization, Long-term Debt [Line Items] |  |
Long-term debt, gross | $ 9,805 | $ 8,163

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-4 + Details
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