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Business Segment Information | 6 Months Ended
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Jun. 30, 2024
Segment Reporting [Abstract] |
Business Segment Information | Note 12 Business Segment Information UScellular and TDS Telecom 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 UScellular and TDS Telecom 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 UScellular and TDS Telecom are reflected in the accompanying business segment information. During the second quarter of 2024, TDS and UScellular modified their reporting structure due to the planned disposal of the UScellular wireless operations and, as a result, disaggregated the UScellular operations into two reportable segments - Wireless and Towers. This presentation reflects how TDS' and UScellular's chief operating decision maker allocates resources and evaluates operating performance following this strategic shift. 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. Prior periods have been updated to conform to the new reportable segments. Financial data for TDS’ reportable segments for the three and six month periods ended, or as of June 30, 2024 and 2023, is as follows. See Note 1 — Basis of Presentation for additional information.
| UScellular |  |  |  |  |  |
Three Months Ended or as of June 30, 2024 | Wireless |  | Towers |  | Intra-company eliminations |  | UScellular Total |  | TDS Telecom |  | Corporate, Eliminations and Other |  | Total
(Dollars in millions) |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenues |  |  |  |  |  |  |  |  |  |  |  |  |
Service | $ | 718 |  |  | $ | 58 |  |  | $ | (33) |  |  | $ | 743 |  |  | $ | 267 |  |  | $ | 24 |  |  | $ | 1,034 |
Equipment and product sales | 184 |  |  | — |  |  | — |  |  | 184 |  |  | — |  |  | 20 |  |  | 204 |
Total operating revenues | 902 |  |  | 58 |  |  | (33) |  |  | 927 |  |  | 267 |  |  | 44 |  |  | 1,238 |
Cost of services (excluding Depreciation, amortization and accretion reported below) | 194 |  |  | 19 |  |  | (33) |  |  | 180 |  |  | 98 |  |  | 18 |  |  | 296 |
Cost of equipment and products | 211 |  |  | — |  |  | — |  |  | 211 |  |  | — |  |  | 16 |  |  | 227 |
Selling, general and administrative | 313 |  |  | 9 |  |  | — |  |  | 322 |  |  | 80 |  |  | 24 |  |  | 426 |
Depreciation, amortization and accretion | 154 |  |  | 11 |  |  | — |  |  | 165 |  |  | 67 |  |  | 1 |  |  | 233 |
(Gain) loss on asset disposals, net | 5 |  |  | — |  |  | — |  |  | 5 |  |  | 4 |  |  | — |  |  | 9 |
(Gain) loss on license sales and exchanges, net | 8 |  |  | — |  |  | — |  |  | 8 |  |  | — |  |  | — |  |  | 8 |
Operating income (loss) | 17 |  |  | 19 |  |  | — |  |  | 36 |  |  | 19 |  |  | (16) |  |  | 39 |
Equity in earnings of unconsolidated entities 1 |  |  |  |  |  |  | 38 |  |  | — |  |  | 1 |  |  | 39 |
Interest and dividend income 1 |  |  |  |  |  |  | 3 |  |  | 1 |  |  | 3 |  |  | 7 |
Interest expense 1 |  |  |  |  |  |  | (45) |  |  | — |  |  | (28) |  |  | (73) |
Other, net 1 |  |  |  |  |  |  | — |  |  | 1 |  |  | — |  |  | 1 |
Income (loss) before income taxes |  |  |  |  |  |  | 32 |  |  | 21 |  |  | (40) |  |  | 13 |
Income tax expense (benefit)1 |  |  |  |  |  |  | 14 |  |  | 3 |  |  | (11) |  |  | 6 |
Net income (loss) |  |  |  |  |  |  | 18 |  |  | 18 |  |  | (29) |  |  | 7 |
Add back: |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation, amortization and accretion | 154 |  |  | 11 |  |  | — |  |  | 165 |  |  | 67 |  |  | 1 |  |  | 233 |
Expenses related to strategic alternatives review | 12 |  |  | 1 |  |  | — |  |  | 13 |  |  | — |  |  | 8 |  |  | 21 |
(Gain) loss on asset disposals, net | 5 |  |  | — |  |  | — |  |  | 5 |  |  | 4 |  |  | — |  |  | 9 |
(Gain) loss on license sales and exchanges, net | 8 |  |  | — |  |  | — |  |  | 8 |  |  | — |  |  | — |  |  | 8 |
Interest expense 1 |  |  |  |  |  |  | 45 |  |  | — |  |  | 28 |  |  | 73 |
Income tax expense (benefit)1 |  |  |  |  |  |  | 14 |  |  | 3 |  |  | (11) |  |  | 6 |
Adjusted EBITDA 2 | $ | 196 |  |  | $ | 31 |  |  | $ | — |  |  | $ | 268 |  |  | $ | 91 |  |  | $ | (2) |  |  | $ | 357 |
Investments in unconsolidated entities 1 |  |  |  |  |  |  | $ | 461 |  |  | $ | 4 |  |  | $ | 42 |  |  | $ | 507 |
Total assets 3 |  |  |  |  |  |  | $ | 10,639 |  |  | $ | 2,898 |  |  | $ | 335 |  |  | $ | 13,872 |
Capital expenditures | $ | 160 |  |  | $ | 5 |  |  | $ | — |  |  | $ | 165 |  |  | $ | 78 |  |  | $ | 1 |  |  | $ | 244 |
| UScellular |  |  |  |  |  |
Three Months Ended or as of June 30, 2023 | Wireless |  | Towers |  | Intra-company eliminations |  | UScellular Total |  | TDS Telecom |  | Corporate, Eliminations and Other |  | Total
(Dollars in millions) |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenues |  |  |  |  |  |  |  |  |  |  |  |  |
Service | $ | 735 |  |  | $ | 57 |  |  | $ | (32) |  |  | $ | 760 |  |  | $ | 257 |  |  | $ | 24 |  |  | $ | 1,041 |
Equipment and product sales | 197 |  |  | — |  |  | — |  |  | 197 |  |  | — |  |  | 29 |  |  | 226 |
Total operating revenues | 932 |  |  | 57 |  |  | (32) |  |  | 957 |  |  | 257 |  |  | 53 |  |  | 1,267 |
Cost of services (excluding Depreciation, amortization and accretion reported below) | 203 |  |  | 19 |  |  | (32) |  |  | 190 |  |  | 108 |  |  | 18 |  |  | 316 |
Cost of equipment and products | 228 |  |  | — |  |  | — |  |  | 228 |  |  | — |  |  | 24 |  |  | 252 |
Selling, general and administrative | 333 |  |  | 8 |  |  | — |  |  | 341 |  |  | 81 |  |  | 14 |  |  | 436 |
Depreciation, amortization and accretion | 149 |  |  | 12 |  |  | — |  |  | 161 |  |  | 60 |  |  | 4 |  |  | 225 |
(Gain) loss on asset disposals, net | 3 |  |  | — |  |  | — |  |  | 3 |  |  | 2 |  |  | — |  |  | 5 |
Operating income (loss) | 16 |  |  | 18 |  |  | — |  |  | 34 |  |  | 7 |  |  | (8) |  |  | 33 |
Equity in earnings of unconsolidated entities 1 |  |  |  |  |  |  | 38 |  |  | — |  |  | — |  |  | 38 |
Interest and dividend income 1 |  |  |  |  |  |  | 3 |  |  | 1 |  |  | 2 |  |  | 6 |
Interest expense 1 |  |  |  |  |  |  | (51) |  |  | 2 |  |  | (13) |  |  | (62) |
Income (loss) before income taxes |  |  |  |  |  |  | 24 |  |  | 10 |  |  | (19) |  |  | 15 |
Income tax expense (benefit)1 |  |  |  |  |  |  | 19 |  |  | 3 |  |  | (7) |  |  | 15 |
Net income (loss) |  |  |  |  |  |  | 5 |  |  | 7 |  |  | (12) |  |  | — |
Add back: |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation, amortization and accretion | 149 |  |  | 12 |  |  | — |  |  | 161 |  |  | 60 |  |  | 4 |  |  | 225 |
(Gain) loss on asset disposals, net | 3 |  |  | — |  |  | — |  |  | 3 |  |  | 2 |  |  | — |  |  | 5 |
Interest expense 1 |  |  |  |  |  |  | 51 |  |  | (2) |  |  | 13 |  |  | 62 |
Income tax expense 1 |  |  |  |  |  |  | 19 |  |  | 3 |  |  | (7) |  |  | 15 |
Adjusted EBITDA 2 | $ | 168 |  |  | $ | 30 |  |  | $ | — |  |  | $ | 239 |  |  | $ | 70 |  |  | $ | (2) |  |  | $ | 307 |
Investments in unconsolidated entities 1 |  |  |  |  |  |  | $ | 457 |  |  | $ | 4 |  |  | $ | 39 |  |  | $ | 500 |
Total assets 3 |  |  |  |  |  |  | $ | 10,889 |  |  | $ | 3,219 |  |  | $ | 298 |  |  | $ | 14,406 |
Capital expenditures | $ | 140 |  |  | $ | 3 |  |  | $ | — |  |  | $ | 143 |  |  | $ | 132 |  |  | $ | 3 |  |  | $ | 278 |
| UScellular |  |  |  |  |  |
Six Months Ended or as of June 30, 2024 | Wireless |  | Towers |  | Intra-company eliminations |  | UScellular Total |  | TDS Telecom |  | Corporate, Eliminations and Other |  | Total
(Dollars in millions) |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenues |  |  |  |  |  |  |  |  |  |  |  |  |
Service | $ | 1,446 |  |  | $ | 116 |  |  | $ | (65) |  |  | $ | 1,497 |  |  | $ | 534 |  |  | $ | 47 |  |  | $ | 2,078 |
Equipment and product sales | 380 |  |  | — |  |  | — |  |  | 380 |  |  | — |  |  | 42 |  |  | 422 |
Total operating revenues | 1,826 |  |  | 116 |  |  | (65) |  |  | 1,877 |  |  | 534 |  |  | 89 |  |  | 2,500 |
Cost of services (excluding Depreciation, amortization and accretion reported below) | 390 |  |  | 37 |  |  | (65) |  |  | 362 |  |  | 196 |  |  | 37 |  |  | 595 |
Cost of equipment and products | 427 |  |  | — |  |  | — |  |  | 427 |  |  | — |  |  | 33 |  |  | 460 |
Selling, general and administrative | 637 |  |  | 16 |  |  | — |  |  | 653 |  |  | 155 |  |  | 41 |  |  | 849 |
Depreciation, amortization and accretion | 308 |  |  | 21 |  |  | — |  |  | 329 |  |  | 131 |  |  | 7 |  |  | 467 |
(Gain) loss on asset disposals, net | 10 |  |  | 1 |  |  | — |  |  | 11 |  |  | 6 |  |  | (1) |  |  | 16 |
(Gain) loss on license sales and exchanges, net | 7 |  |  | — |  |  | — |  |  | 7 |  |  | — |  |  | — |  |  | 7 |
Operating income (loss) | 47 |  |  | 41 |  |  | — |  |  | 88 |  |  | 46 |  |  | (28) |  |  | 106 |
Equity in earnings of unconsolidated entities 1 |  |  |  |  |  |  | 80 |  |  | — |  |  | 2 |  |  | 82 |
Interest and dividend income 1 |  |  |  |  |  |  | 6 |  |  | 2 |  |  | 4 |  |  | 12 |
Interest expense 1 |  |  |  |  |  |  | (91) |  |  | 2 |  |  | (42) |  |  | (131) |
Other, net 1 |  |  |  |  |  |  | — |  |  | 2 |  |  | — |  |  | 2 |
Income (loss) before income taxes |  |  |  |  |  |  | 83 |  |  | 52 |  |  | (64) |  |  | 71 |
Income tax expense (benefit)1 |  |  |  |  |  |  | 41 |  |  | 10 |  |  | (25) |  |  | 26 |
Net income (loss) |  |  |  |  |  |  | 42 |  |  | 42 |  |  | (39) |  |  | 45 |
Add back: |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation, amortization and accretion | 308 |  |  | 21 |  |  | — |  |  | 329 |  |  | 131 |  |  | 7 |  |  | 467 |
Expenses related to strategic alternatives review | 20 |  |  | 1 |  |  | — |  |  | 21 |  |  | — |  |  | 12 |  |  | 33 |
(Gain) loss on asset disposals, net | 10 |  |  | 1 |  |  | — |  |  | 11 |  |  | 6 |  |  | (1) |  |  | 16 |
(Gain) loss on license sales and exchanges, net | 7 |  |  | — |  |  | — |  |  | 7 |  |  | — |  |  | — |  |  | 7 |
Interest expense 1 |  |  |  |  |  |  | 91 |  |  | (2) |  |  | 42 |  |  | 131 |
Income tax expense (benefit)1 |  |  |  |  |  |  | 41 |  |  | 10 |  |  | (25) |  |  | 26 |
Adjusted EBITDA 2 | $ | 392 |  |  | $ | 64 |  |  | $ | — |  |  | $ | 542 |  |  | $ | 187 |  |  | $ | (4) |  |  | $ | 725 |
Capital expenditures | $ | 286 |  |  | $ | 9 |  |  | $ | — |  |  | $ | 295 |  |  | $ | 164 |  |  | $ | 5 |  |  | $ | 464 |
| UScellular |  |  |  |  |  |
Six Months Ended or as of June 30, 2023 | Wireless |  | Towers |  | Intra-company eliminations |  | UScellular Total |  | TDS Telecom |  | Corporate, Eliminations and Other |  | Total
(Dollars in millions) |  |  |  |  |  |  |  |  |  |  |  |  |
Operating revenues |  |  |  |  |  |  |  |  |  |  |  |  |
Service | $ | 1,477 |  |  | $ | 113 |  |  | $ | (63) |  |  | $ | 1,527 |  |  | $ | 510 |  |  | $ | 47 |  |  | $ | 2,084 |
Equipment and product sales | 415 |  |  | — |  |  | — |  |  | 415 |  |  | — |  |  | 71 |  |  | 486 |
Total operating revenues | 1,892 |  |  | 113 |  |  | (63) |  |  | 1,942 |  |  | 510 |  |  | 118 |  |  | 2,570 |
Cost of services (excluding Depreciation, amortization and accretion reported below) | 398 |  |  | 37 |  |  | (63) |  |  | 372 |  |  | 212 |  |  | 38 |  |  | 622 |
Cost of equipment and products | 480 |  |  | — |  |  | — |  |  | 480 |  |  | — |  |  | 58 |  |  | 538 |
Selling, general and administrative | 670 |  |  | 16 |  |  | — |  |  | 686 |  |  | 162 |  |  | 28 |  |  | 876 |
Depreciation, amortization and accretion | 307 |  |  | 23 |  |  | — |  |  | 330 |  |  | 119 |  |  | 7 |  |  | 456 |
(Gain) loss on asset disposals, net | 13 |  |  | — |  |  | — |  |  | 13 |  |  | 3 |  |  | — |  |  | 16 |
Operating income (loss) | 24 |  |  | 37 |  |  | — |  |  | 61 |  |  | 15 |  |  | (14) |  |  | 62 |
Equity in earnings of unconsolidated entities 1 |  |  |  |  |  |  | 82 |  |  | — |  |  | — |  |  | 82 |
Interest and dividend income 1 |  |  |  |  |  |  | 5 |  |  | 2 |  |  | 4 |  |  | 11 |
Interest expense 1 |  |  |  |  |  |  | (99) |  |  | 4 |  |  | (21) |  |  | (116) |
Other, net 1 |  |  |  |  |  |  | — |  |  | 1 |  |  | — |  |  | 1 |
Income (loss) before income taxes |  |  |  |  |  |  | 49 |  |  | 21 |  |  | (30) |  |  | 40 |
Income tax expense (benefit)1 |  |  |  |  |  |  | 29 |  |  | 5 |  |  | (6) |  |  | 28 |
Net income (loss) |  |  |  |  |  |  | 20 |  |  | 15 |  |  | (23) |  |  | 12 |
Add back: |  |  |  |  |  |  |  |  |  |  |  |  |
Depreciation, amortization and accretion | 307 |  |  | 23 |  |  | — |  |  | 330 |  |  | 119 |  |  | 7 |  |  | 456 |
(Gain) loss on asset disposals, net | 13 |  |  | — |  |  | — |  |  | 13 |  |  | 3 |  |  | — |  |  | 16 |
Interest expense 1 |  |  |  |  |  |  | 99 |  |  | (4) |  |  | 21 |  |  | 116 |
Income tax expense (benefit)1 |  |  |  |  |  |  | 29 |  |  | 5 |  |  | (6) |  |  | 28 |
Adjusted EBITDA 2 | $ | 344 |  |  | $ | 60 |  |  | $ | — |  |  | $ | 491 |  |  | $ | 139 |  |  | $ | (2) |  |  | $ | 628 |
Capital expenditures | $ | 346 |  |  | $ | 5 |  |  | $ | — |  |  | $ | 351 |  |  | $ | 262 |  |  | $ | 8 |  |  | $ | 621 |
Numbers may not foot due to rounding. 1 Income and expense items below Operating income are not provided at the individual segment level for Wireless and Towers. These items are not included in the evaluation of operating performance of the segments, and therefore are reported for "UScellular Total". 2 Adjusted earnings before interest, taxes, depreciation, amortization and accretion (Adjusted EBITDA) is a segment measure reported to the chief operating decision maker for purposes of assessing the segments' performance. Adjusted EBITDA is defined as net income, adjusted for the items set forth in the reconciliation above. 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 above as they provide 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. 3 Assets are not provided at the individual segment level for Wireless and Towers. 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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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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