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Income Taxes
 9 Months Ended
Sep. 30, 2025
Income Tax Disclosure [Abstract]  
Income Taxes
Note 5 Income Taxes
The effective tax rate on Income (loss) before income taxes from continuing operations for the three and nine months ended September 30, 2025 was (1,211.1)% and (2,324.1)%, respectively. These effective tax rates are not meaningful due to low amounts of pretax income and reflect (i) favorable reductions to valuation allowances related to deferred tax assets that are now likely to be realized by the taxable income generated from the sale of wireless operations and select spectrum assets to T-Mobile, and/or the pending License Purchase Agreements currently classified as held for sale as of September 30, 2025; and (ii) the impacts of compensation-related tax adjustments.
The effective tax rate on Income (loss) before income taxes from continuing operations for the three and nine months ended September 30, 2024 was 23.6% and 26.5%, respectively. These effective rates reflect unfavorable adjustments for state taxes and nondeductible interest expense, offset by favorable adjustments for compensation-related deductions.