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Summary of Significant Accounting Policies and Recent Accounting Pronouncements | 12 Months Ended
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Dec. 31, 2024
Accounting Policies [Abstract] |
Summary of Significant Accounting Policies and Recent Accounting Pronouncements | Note 1 Summary of Significant Accounting Policies and Recent Accounting Pronouncements United States Cellular Corporation (UScellular), a Delaware Corporation, is an 83%-owned subsidiary of Telephone and Data Systems, Inc. (TDS). Nature of Operations UScellular provides wireless service throughout its footprint, and leases tower space to third-party carriers on UScellular-owned towers. As of December 31, 2024, UScellular served customers with 4.4 million retail connections. UScellular has two reportable segments – Wireless and Towers. Change in Reportable Segments During the second quarter of 2024, UScellular modified its reporting structure due to the planned disposal of its wireless operations and, as a result, disaggregated its operations into two reportable segments – Wireless and Towers. This presentation reflects how UScellular's chief operating decision maker allocates resources and evaluates operating performance following this strategic shift. Prior periods have been updated to conform to the new reportable segments. See Note 19 — Business Segment Information for additional information about UScellular's segments. Principles of Consolidation The accounting policies of UScellular conform to accounting principles generally accepted in the United States of America (GAAP) as set forth in the Financial Accounting Standards Board (FASB) Accounting Standards Codification (ASC). Unless otherwise specified, references to accounting provisions and GAAP in these notes refer to the requirements of the FASB ASC. The consolidated financial statements include the accounts of UScellular, subsidiaries in which it has a controlling financial interest, general partnerships in which UScellular has a majority partnership interest and certain entities in which UScellular has a variable interest that requires consolidation into the UScellular financial statements under GAAP. See Note 15 — Variable Interest Entities for additional information relating to UScellular’s VIEs. Intercompany accounts and transactions have been eliminated. The Consolidated Statement of Comprehensive Income was not included because comprehensive income for the years ended December 31, 2024, 2023 and 2022 equaled net income. Certain numbers included herein are rounded to millions for ease of presentation; however, certain calculated amounts and percentages are determined using the unrounded numbers. Use of Estimates The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect (a) the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and (b) the reported amounts of revenues and expenses during the reported period. Actual results could differ from those estimates. Cash, Cash Equivalents and Restricted Cash Cash and cash equivalents include cash and highly liquid investments with original maturities of three months or less. Cash and cash equivalents subject to contractual restrictions are classified as restricted cash. Restricted cash primarily consists of balances required under the receivables securitization agreement. See Note 13 — Debt for additional information related to the receivables securitization agreement. The following table provides a reconciliation of Cash and cash equivalents and restricted cash reported in the Consolidated Balance Sheet to the total of the amounts in the Consolidated Statement of Cash Flows.
December 31, | 2024 |  | 2023
(Dollars in millions) |  |  |
Cash and cash equivalents | $ | 144 |  |  | $ | 150 |
Restricted cash included in Other current assets | 15 |  |  | 29 |
Cash, cash equivalents and restricted cash in the statement of cash flows | $ | 159 |  |  | $ | 179 |
Accounts Receivable and Allowance for Credit Losses Accounts receivable consist primarily of amounts owed by customers for wireless services and equipment sales, including sales of certain devices and accessories under installment plans, by agents and third-party distributors for sales of equipment to them and by other wireless carriers whose customers have used UScellular’s wireless systems. UScellular estimates expected credit losses related to accounts receivable balances based on a review of available and relevant information including current economic conditions, projected economic conditions, historical loss experience, account aging, and other factors that could affect collectability. Expected credit losses are determined for each pool of accounts receivable balances that share similar risk characteristics. The allowance for credit losses is the best estimate of the amount of expected credit losses related to existing accounts receivable. UScellular does not have any off-balance sheet credit exposure related to its customers. Inventory Inventory consists primarily of wireless devices stated at the lower of cost, which approximates cost determined on a first-in first-out basis, or net realizable value. Net realizable value is determined by reference to the stand-alone selling price. Cloud-Hosted Arrangements UScellular's cloud-hosted arrangements that are service contracts consist primarily of software used to perform administrative functions. Implementation costs related to UScellular's cloud-hosted arrangements, which are recorded in Prepaid expenses and Other assets and deferred charges in the Consolidated Balance Sheet, were as follows:
December 31, | 2024 |  | 2023
(Dollars in millions) |  |  |
Implementation costs, gross | $ | 97 |  |  | $ | 89 |
Accumulated amortization | (86) |  |  | (65) |
Implementation costs, net | $ | 11 |  |  | $ | 24 |
These costs are amortized over the period of the service contract, which is generally three to five years. Amortization of implementation costs was $19 million, $17 million and $18 million for the years ended December 31, 2024, 2023 and 2022, respectively, and was included in Selling, general and administrative expenses. Licenses Licenses consist of direct and incremental costs incurred in acquiring Federal Communications Commission (FCC) wireless spectrum licenses that generally provide UScellular with the exclusive right to utilize designated radio spectrum within specific geographic service areas to provide wireless service. Although wireless spectrum licenses are issued for a fixed period of time, generally ten years, or in some cases twelve or fifteen years, the FCC has granted license renewals routinely and at a nominal cost. The wireless spectrum licenses held by UScellular expire at various dates. UScellular believes that it is probable that its future wireless spectrum license renewal applications will be granted. UScellular applies a consistent treatment to its wireless spectrum licenses with FCC build-out requirements that have not yet been satisfied as UScellular believes it is reasonable to assume that such requirements will be met by the FCC imposed deadlines. UScellular determined that there are currently no legal, regulatory, contractual, competitive, economic or other factors that limit the useful lives of the wireless spectrum licenses. Therefore, UScellular has determined that wireless spectrum licenses are indefinite-lived intangible assets. UScellular performs its annual impairment assessment of wireless spectrum licenses as of November 1 of each year or more frequently if there are events or circumstances that cause UScellular to believe it is more likely than not that the carrying value of wireless spectrum licenses exceeds fair value. For purposes of its impairment test, UScellular had twelve units of accounting in 2024 and one unit of accounting in 2023. UScellular performed a quantitative impairment assessment in the third quarter of 2024 and a qualitative impairment assessment as of its annual testing date of November 1, 2024 to determine whether the wireless spectrum licenses were impaired. Based on the impairment assessment performed during the third quarter of 2024, an impairment of wireless spectrum licenses was recorded. There was no further quantitative assessment or impairment indicated in the fourth quarter of 2024. See Note 8 — Intangible Assets for additional details related to the wireless spectrum license impairment. In 2023, UScellular performed a quantitative assessment and concluded that there was no impairment of wireless spectrum licenses. Investments in Unconsolidated Entities For its equity method investments for which financial information is readily available, UScellular records its equity in the earnings of the entity in the current period. For its equity method investments for which financial information is not readily available, UScellular records its equity in the earnings of the entity on a one quarter lag basis. Property, Plant and Equipment UScellular’s Property, plant and equipment is stated at the original cost of construction or purchase including capitalized costs of certain taxes, payroll-related expenses, interest and estimated costs to remove the assets. Expenditures that enhance the productive capacity of assets in service or extend their useful lives are capitalized and depreciated. Expenditures for maintenance and repairs of assets in service are charged to System operations expense or Selling, general and administrative expense, as applicable. Retirements and disposals of assets are recorded by removing the original cost of the asset (along with the related accumulated depreciation) from plant in service and recording it, together with proceeds, if any, and net removal costs (removal costs less an applicable accrued asset retirement obligation and salvage value realized), as a gain or loss, as appropriate. Software licenses that qualify for capitalization as an asset are accounted for as the acquisition of an asset and the incurrence of a liability to the extent that the license fees are not fully paid at acquisition. Depreciation and Amortization Depreciation is provided using the straight-line method over the estimated useful life of the related asset. UScellular depreciates leasehold improvement assets over periods ranging from one year to thirty years; such periods approximate the shorter of the assets’ economic lives or the specific lease terms. Useful lives of specific assets are reviewed throughout the year to determine if changes in technology or other business changes would warrant accelerating the depreciation of those specific assets. There were no material changes to the assigned useful lives of the various categories of property, plant and equipment in 2024, 2023 or 2022. See Note 10 — Property, Plant and Equipment for additional details related to useful lives. Impairment of Long-Lived Assets UScellular reviews long-lived assets for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset group may not be recoverable. Due to its plan to divest of its wireless operations, UScellular expects to generate cash flows from the wireless operations separately from the retained business and during 2024, bifurcated the historical single asset group into two asset groups – wireless and towers. See Note 7 — Divestitures for additional information. It is possible that any outcomes of the strategic alternatives review could change the composition of UScellular's long-lived assets, how UScellular may derive cash flows from these assets and may result in uncertainty related to asset recoverability. This may impact UScellular's asset groups for purposes of assessing property, plant and equipment for impairment and may require an impairment assessment to be performed which may result in the need to write down certain long-lived assets in the near term. Leases A lease is generally present in a contract if the lessee controls the use of identified property, plant or equipment for a period of time in exchange for consideration. See Note 11 — Leases for additional details related to leases. Agent Liabilities UScellular has relationships with agents, which are independent businesses that obtain customers for UScellular. At December 31, 2024 and 2023, UScellular had accrued $44 million and $50 million, respectively, in agent related liabilities. These amounts are included in Other current liabilities in the Consolidated Balance Sheet. Debt Issuance Costs Debt issuance costs include underwriters’ and legal fees and other charges related to issuing and renewing various borrowing instruments and other long-term agreements and are amortized over the respective term of each instrument. Debt issuance costs related to UScellular’s revolving credit and receivables securitization agreements are recorded in Other assets and deferred charges in the Consolidated Balance Sheet. All other debt issuance costs are presented as an offset to the related debt obligation in the Consolidated Balance Sheet. Asset Retirement Obligations UScellular records asset retirement obligations for the fair value of legal obligations associated with asset retirements and a corresponding increase in the carrying amount of the related long-lived asset in the period in which the obligations are incurred. In periods subsequent to initial measurement, UScellular recognizes changes in the liability resulting from the passage of time and updates to the timing or the amount of the original estimates. The liability is accreted to its estimated settlement date value over the period to the estimated settlement date. The change in the carrying amount of the long-lived asset is depreciated over the average remaining life of the related asset. See Note 12 — Asset Retirement Obligations for additional information. Treasury Shares Common Shares repurchased by UScellular are recorded at cost as treasury shares and result in a reduction of equity. When treasury shares are reissued, UScellular determines the cost using the first-in, first-out cost method. The difference between the cost of the treasury shares and reissuance price is included in Additional paid-in capital or Retained earnings. Revenue Recognition Revenues from sales of equipment and products are recognized when control has transferred to the customer, agent or third-party distributor. Service revenues are recognized as the related service is provided. See Note 2 — Revenue Recognition for additional information on UScellular's policies related to Revenues. Advertising Costs UScellular expenses advertising costs as incurred. Advertising costs totaled $182 million, $181 million and $171 million in 2024, 2023 and 2022, respectively. Income Taxes UScellular is included in a consolidated federal income tax return with other members of the TDS consolidated group. For financial statement purposes, UScellular and its subsidiaries calculate their income, income taxes and credits as if they comprised a separate affiliated group. Under a tax allocation agreement between TDS and UScellular, UScellular remits its applicable income tax payments to and receives applicable tax refunds from TDS. UScellular had no tax receivable balance with TDS as of December 31, 2024 and 2023, respectively. Deferred taxes are computed using the liability method, whereby deferred tax assets are recognized for future deductible temporary differences and operating loss carryforwards, and deferred tax liabilities are recognized for future taxable temporary differences. Both deferred tax assets and liabilities are measured using the enacted tax rates in effect when the temporary differences are expected to reverse. Temporary differences are the differences between the reported amounts of assets and liabilities and their tax bases. Deferred tax assets and liabilities are adjusted for the effects of changes in tax laws and rates on the date of enactment. Deferred tax assets are reduced by a valuation allowance when it is more likely than not that some portion or all of the deferred tax assets will not be realized. UScellular evaluates income tax uncertainties, assesses the probability of the ultimate settlement with the applicable taxing authority and records an amount based on that assessment. Deferred taxes are reported as a net non-current asset or liability by jurisdiction. Any corresponding valuation allowance to reduce the amount of deferred tax assets is also recorded as non-current. See Note 5 — Income Taxes for additional information. Stock-Based Compensation and Other Plans UScellular has established a long-term incentive plan and a non-employee director compensation plan. These plans are considered compensatory plans, and therefore recognition of costs for grants made under these plans is required. UScellular recognizes stock compensation expense based upon the estimated fair value of the specific awards granted on a straight-line basis over the requisite service period, which generally represents the vesting period. Stock-based compensation cost recognized has been reduced for estimated forfeitures. Forfeitures are estimated at the time of grant and revised, if necessary, in subsequent periods if actual forfeitures differ from those estimates. See Note 18 — Stock-Based Compensation for additional information. Defined Contribution Plans UScellular participates in a qualified noncontributory defined contribution pension plan sponsored by TDS; such plan provides pension benefits for the employees of UScellular and its subsidiaries. Under this plan, pension costs are calculated separately for each participant and are funded annually. Pension costs were $12 million, $11 million and $12 million in 2024, 2023 and 2022, respectively. UScellular also participates in a defined contribution retirement savings plan (401(k) plan) sponsored by TDS. Total costs incurred for UScellular’s contributions to the 401(k) plan were $15 million for each of 2024, 2023 and 2022. Recently Issued Accounting Pronouncements In November 2024, the FASB issued Accounting Standards Update (ASU) 2024-03 Income Statement - Reporting Comprehensive Income - Expense Disaggregation Disclosures (Subtopic 220-40). ASU 2024-03 requires more detailed information about specific types of expenses included in the expense captions presented on the face of the Consolidated Statement of Operations. ASU 2024-03 is effective on a prospective or retrospective basis for annual reporting periods beginning after December 15, 2026, and interim reporting periods beginning after December 15, 2027. UScellular is evaluating the impact this ASU will have on its financial statement disclosures.

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