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Wireless Licenses, Goodwill and Other Intangible Assets - Narrative (Detail) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Payments for intangible assets |  | $ 900 | $ 5,796 | $ 3,653
Capitalized interest costs |  | 963 | 1,818 | 2,030
Verizon Business Group goodwill impairment | $ 5,800 | 0 | 5,841 | 0
Goodwill impairment, after-tax | 5,800 |  |  |
Wireless Licenses |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Wireless licenses under development | $ 15,000 | 10,100 | 15,000 |
Capitalized interest costs |  | $ 616 | $ 1,400 |
Average remaining renewal period of wireless license portfolio (in years) |  | 10 years | 10 years |
Spectrum Licenses, C-Band | Loss on spectrum license transactions | Projected Clearing Costs |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Payments for intangible assets |  | $ 269 | $ 4,300 | $ 1,600

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