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Business Segment Information | 3 Months Ended
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Mar. 31, 2025
Segment Reporting [Abstract] |
Business Segment Information | Note 11 Business Segment Information TDS has the following reportable segments: UScellular Wireless, UScellular Towers and TDS Telecom. UScellular Wireless generates its revenues by providing wireless services and equipment. UScellular Towers generates its revenues by leasing tower space on UScellular-owned towers to other wireless carriers. TDS Telecom generates its revenues by providing broadband, video, voice and wireless services. The Towers segment records rental revenue and the Wireless segment records a related expense when the Wireless segment uses company-owned towers to locate its network equipment, using estimated market pricing - this revenue and expense is eliminated in consolidation. The reportable segments are billed for services they receive from TDS, consisting primarily of information processing, accounting, finance, and general management services. Such billings are based on expenses specifically identified to the reportable segments and on allocations of common expenses. Management believes the method used to allocate common expenses is reasonable and that all expenses and costs applicable to the reportable segments are reflected in the accompanying business segment information. Adjusted earnings before interest, taxes, depreciation, amortization and accretion (Adjusted EBITDA) is the segment measure of profit or loss reported to the chief operating decision maker for purposes of assessing the segments' performance and making capital allocation decisions. Adjusted EBITDA is a non-GAAP financial measure that shows adjusted earnings before interest, taxes, depreciation, amortization and accretion, gains and losses, and expenses related to the strategic alternatives review of UScellular. TDS believes Adjusted EBITDA is a useful measure of TDS’ operating results before significant recurring non-cash charges, gains and losses, and other items as presented below as it provides additional relevant and useful information to investors and other users of TDS' financial data in evaluating the effectiveness of its operations and underlying business trends in a manner that is consistent with management's evaluation of business performance. TDS’ chief operating decision maker is its President and Chief Executive Officer. Financial data for TDS’ reportable segments for the three months ended March 31, 2025 and 2024, is as follows.
Three Months Ended March 31, 2025 | UScellular Wireless | UScellular Towers | TDS Telecom | Total
(Dollars in millions) |  |  |  |
Revenues from external customers | $ | 864 |  | $ | 27 |  | $ | 256 |  | $ | 1,147 |
Intersegment revenues | — |  | 34 |  | 1 |  | 35 |
| 864 |  | 61 |  | 257 |  | 1,182 |
Reconciliation of revenue: |  |  |  |
All Other revenues 1 |  |  |  | 7 |
Elimination of intersegment revenues |  |  |  | (35) |
Total operating revenues |  |  |  | $ | 1,154 |
Less 2: |  |  |  |
Cost of services (excluding Depreciation, amortization and accretion reported below) | 191 |  | 19 |  | 101 |  |
Cost of equipment and products | 178 |  | — |  | — |  |
Selling, general and administrative | 322 |  | 10 |  | 83 |  |
Expenses related to strategic alternatives review (included in Selling, general and administrative) | (9) |  | (1) |  | — |  |
Other segment items | — |  | — |  | (3) |  |
Segment Adjusted EBITDA (Non-GAAP) | $ | 182 |  | $ | 33 |  | $ | 76 |  | $ | 291 |
Reconciliation of Segment Adjusted EBITDA to Income before income taxes: |  |  |  |
All Other income (loss) before income taxes 1 |  |  |  | (25) |
Depreciation, amortization and accretion |  |  |  | (234) |
Expenses related to strategic alternatives review (included in Selling, general and administrative) |  |  |  | (10) |
Loss on asset disposals, net |  |  |  | (4) |
Gain on license sales and exchanges, net |  |  |  | 1 |
Equity earnings of unconsolidated entities |  |  |  | 36 |
Interest and dividend income |  |  |  | 3 |
Interest expense |  |  |  | (38) |
Income before income taxes |  |  |  | $ | 20 |
Other segment disclosures |  |  |  |  |  |  |
Three Months Ended or as of March 31, 2025 | UScellular Wireless | UScellular Towers | TDS Telecom | Segment Total | UScellular | All Other 1 | TDS Consolidated Total
Depreciation, amortization and accretion | $ | (152) |  | $ | (11) |  | $ | (71) |  | $ | (234) |  |  | $ | — |  | $ | (234) |
Loss on asset disposals, net | (2) |  | — |  | (2) |  | (4) |  |  | — |  | (4) |
Gain on sale of business and other exit costs, net | — |  | — |  | — |  | — |  |  | 1 |  | 1 |
Gain on license sales and exchanges, net | 1 |  | — |  | — |  | 1 |  |  | — |  | 1 |
Investments in unconsolidated entities 3 |  |  | 4 |  | 4 |  | 479 |  | 44 |  | 527 |
Total assets 4 |  |  | 2,906 |  | 2,906 |  | 10,365 |  | 265 |  | 13,536 |
Capital expenditures | $ | 51 |  | $ | 2 |  | $ | 59 |  | $ | 112 |  |  | $ | — |  | $ | 112 |
Three Months Ended March 31, 2024 | UScellular Wireless | UScellular Towers | TDS Telecom | Total
(Dollars in millions) |  |  |  |
Revenues from external customers | $ | 925 |  | $ | 25 |  | $ | 265 |  | $ | 1,215 |
Intersegment revenues | — |  | 33 |  | 1 |  | 34 |
| 925 |  | 58 |  | 266 |  | 1,249 |
Reconciliation of revenue: |  |  |  |
All Other revenues 1 |  |  |  | 47 |
Elimination of intersegment revenues |  |  |  | (34) |
Total operating revenues |  |  |  | $ | 1,262 |
Less 2: |  |  |  |
Cost of services (excluding Depreciation, amortization and accretion reported below) | 197 |  | 18 |  | 98 |  |
Cost of equipment and products | 216 |  | — |  | — |  |
Selling, general and administrative | 324 |  | 7 |  | 75 |  |
Expenses related to strategic alternatives review (included in Selling, general and administrative) | (7) |  | — |  | — |  |
Other segment items | — |  | — |  | (2) |  |
Segment Adjusted EBITDA (Non-GAAP) | $ | 195 |  | $ | 33 |  | $ | 95 |  | $ | 323 |
Reconciliation of Segment Adjusted EBITDA to Income before income taxes: |  |  |  |
All Other income (loss) before income taxes 1 |  |  |  | (25) |
Depreciation, amortization and accretion |  |  |  | (230) |
Expenses related to strategic alternatives review (included in Selling, general and administrative) |  |  |  | (7) |
Loss on asset disposals, net |  |  |  | (8) |
Gain on license sales and exchanges, net |  |  |  | 1 |
Equity earnings of unconsolidated entities |  |  |  | 42 |
Interest and dividend income |  |  |  | 2 |
Interest expense |  |  |  | (41) |
Income before income taxes |  |  |  | $ | 58 |
Other segment disclosures |  |  |  |  |  |  |
Three Months Ended or as of March 31, 2024 | UScellular Wireless | UScellular Towers | TDS Telecom | Segment Total | UScellular | All Other 1 | TDS Consolidated Total
Depreciation, amortization and accretion | $ | (154) |  | $ | (11) |  | $ | (65) |  | $ | (230) |  |  | $ | (4) |  | $ | (234) |
Gain (loss) on asset disposals, net | (6) |  | — |  | (2) |  | (8) |  |  | 1 |  | (7) |
Gain on license sales and exchanges, net | 1 |  | — |  | — |  | 1 |  |  | — |  | 1 |
Investments in unconsolidated entities 3 |  |  | 4 |  | 4 |  | 482 |  | 40 |  | 526 |
Total assets 4 |  |  | 2,892 |  | 2,892 |  | 10,704 |  | 270 |  | 13,866 |
Capital expenditures | $ | 127 |  | $ | 4 |  | $ | 87 |  | $ | 218 |  |  | $ | 1 |  | $ | 219 |
Numbers may not foot due to rounding. 1"All Other" represents TDS' non-reportable other business activities that do not meet the quantitative thresholds for being a reportable segment. 2 The significant segment expense categories and amounts align with the segment-level information that is regularly provided to the chief operating decision maker. Intersegment expenses are included within the amounts shown. 3 This item is not included in the evaluation of operating performance of the Wireless and Towers segments, and therefore is reported for "UScellular". 4 Assets are not provided at the individual segment level for Wireless and Towers, and therefore are reported for "UScellular". The UScellular segments operate under a common capital structure, and management has historically considered its assets collectively as part of a combined wireless network.

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- Definition The entire disclosure for reporting segments including data and tables. 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