Goodwill, Spectrum License Transactions and Other Intangible Assets - Schedule of Spectrum Licenses (Details) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2024 |
Dec. 31, 2023 |
|
| Indefinite-lived Intangible Assets [Roll Forward] | ||
| Other current liabilities | $ 4,028 | $ 1,296 |
| Licensing Agreements | ||
| Indefinite-lived Intangible Assets [Roll Forward] | ||
| Beginning balance | 96,707 | |
| Spectrum license acquisitions | 2,925 | |
| Spectrum licenses transferred to held for sale | (1,024) | |
| Costs to clear spectrum | 53 | |
| Ending balance | 98,661 | |
| Licensing Agreements | Channel 51 License Co, LLC and LB License Co, LLC | ||
| Indefinite-lived Intangible Assets [Roll Forward] | ||
| Other current liabilities | $ 2,400 |