Summary of Significant Accounting Policies - Certain Risks and Concentrations (Details) - USD ($) $ in Millions |
12 Months Ended | |
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Dec. 31, 2024 |
Dec. 31, 2023 |
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| Universal Service Fund Programs | ||
| Certain Risks and Concentrations | ||
| Net receivables | $ 125 | |
| Revenue benchmark | Customer concentration risk | Universal Service Fund Programs | ||
| Certain Risks and Concentrations | ||
| Concentration risk percentage | 42.00% | 39.00% |
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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. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The total amount due to the entity within one year of the balance sheet date (or one operating cycle, if longer) from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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