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Business Segment Information (Tables)
 6 Months Ended
Jun. 30, 2025
Segment Reporting [Abstract]  
Business segment information
Financial data for TDS’ reportable segments for the three and six months ended June 30, 2025 and 2024, is as follows.
Three Months Ended June 30, 2025Array WirelessArray TowersTDS TelecomTotal
(Dollars in millions) 
Revenues from external customers$888 $28 $264 $1,180 
Intersegment revenues— 34 1 35 
888 62 265 1,215 
Reconciliation of revenue:
All Other revenues1
6 
Elimination of intersegment revenues(35)
Total operating revenues$1,186 
Less2:
Cost of services (excluding Depreciation, amortization and accretion reported below)197 20 97 
Cost of equipment and products209 — — 
Selling, general and administrative319 9 83 
Expenses related to strategic alternatives review (included in Selling, general and administrative)(11)(1)— 
Other segment items— — (3)
Segment Adjusted EBITDA (Non-GAAP)$174 $34 $89 $297 
Reconciliation of Segment Adjusted EBITDA to Income before income taxes:
All Other income (loss) before income taxes1
(33)
Depreciation, amortization and accretion(236)
Expenses related to strategic alternatives review (included in Selling, general and administrative)(12)
Loss on asset disposals, net(8)
Gain on sale of business and other exit costs, net8 
Gain on license sales and exchanges, net4 
Equity earnings of unconsolidated entities42 
Interest and dividend income4 
Interest expense(44)
Income before income taxes$21 
Other segment disclosures
Three Months Ended or as of June 30, 2025Array WirelessArray TowersTDS TelecomSegment TotalArray
All Other1
TDS Consolidated Total
Depreciation, amortization and accretion$(151)$(12)$(73)$(236)$— $(236)
Loss on asset disposals, net(2)— (6)(8)(1)(9)
Gain on sale of business and other exit costs, net— — 8 8 — 8 
Gain on license sales and exchanges, net4 — — 4 — 4 
Investments in unconsolidated entities3
4 4 $444 45 493 
Total assets4
2,903 2,903 $10,377 246 13,526 
Capital expenditures$77 $3 $90 $170 $— $170 
Three Months Ended June 30, 2024Array WirelessArray TowersTDS TelecomTotal
(Dollars in millions) 
Revenues from external customers$902 $25 $266 $1,193 
Intersegment revenues— 33 1 34 
902 58 267 1,227 
Reconciliation of revenue:
All Other revenues1
45 
Elimination of intersegment revenues(34)
Total operating revenues$1,238 
Less2:
Cost of services (excluding Depreciation, amortization and accretion reported below)194 19 98 
Cost of equipment and products211 — — 
Selling, general and administrative313 9 80 
Expenses related to strategic alternatives review (included in Selling, general and administrative)(12)(1)— 
Other segment items— — (2)
Segment Adjusted EBITDA (Non-GAAP)$196 $31 $91 $318 
Reconciliation of Segment Adjusted EBITDA to Income before income taxes:
All Other income (loss) before income taxes1
(40)
Depreciation, amortization and accretion(232)
Expenses related to strategic alternatives review (included in Selling, general and administrative)(13)
Loss on asset disposals, net(9)
Loss on license sales and exchanges, net(8)
Equity earnings of unconsolidated entities38 
Interest and dividend income3 
Interest expense(45)
Income before income taxes$13 
Other segment disclosures
Three Months Ended or as of June 30, 2024Array WirelessArray TowersTDS TelecomSegment TotalArray
All Other1
TDS Consolidated Total
Depreciation, amortization and accretion$(154)$(11)$(67)$(232)$(1)$(233)
Loss on asset disposals, net(5)— (4)(9)— (9)
Loss on license sales and exchanges, net(8)— — (8)— (8)
Investments in unconsolidated entities3
4 4 $461 42 507 
Total assets4
2,898 2,898 $10,639 335 13,872 
Capital expenditures$160 $5 $78 $243 $1 $244 
Six Months Ended June 30, 2025Array WirelessArray TowersTDS TelecomTotal
(Dollars in millions) 
Revenues from external customers$1,751 $56 $520 $2,327 
Intersegment revenues— 67 2 69 
1,751 123 522 2,396 
Reconciliation of revenue:
All Other revenues1
14 
Elimination of intersegment revenues(69)
Total operating revenues$2,341 
Less2:
Cost of services (excluding Depreciation, amortization and accretion reported below)387 39 198 
Cost of equipment and products387 — — 
Selling, general and administrative643 18 166 
Expenses related to strategic alternatives review (included in Selling, general and administrative)(21)(1)— 
Other segment items— — (7)
Segment Adjusted EBITDA (Non-GAAP)$355 $67 $165 $587 
Reconciliation of Segment Adjusted EBITDA to Income before income taxes:
All Other income (loss) before income taxes1
(57)
Depreciation, amortization and accretion(470)
Expenses related to strategic alternatives review (included in Selling, general and administrative)(22)
Loss on asset disposals, net(12)
Gain on sale of business and other exit costs, net8 
Gain on license sales and exchanges, net5 
Equity earnings of unconsolidated entities78 
Interest and dividend income6 
Interest expense(82)
Income before income taxes$42 
Other segment disclosures
Six Months Ended June 30, 2025Array WirelessArray TowersTDS TelecomSegment Total
All Other1
TDS Consolidated Total
Depreciation, amortization and accretion$(302)$(23)$(145)$(470)$(2)$(472)
Loss on asset disposals, net(3)(1)(8)(12)— (12)
Gain on sale of business and other exit costs, net— — 8 8 1 9 
Gain on license sales and exchanges, net5 — — 5 — 5 
Capital expenditures$127 $5 $149 $281 $1 $282 
Six Months Ended June 30, 2024Array WirelessArray TowersTDS TelecomTotal
(Dollars in millions) 
Revenues from external customers$1,826 $51 $532 $2,409 
Intersegment revenues— 65 2 67 
1,826 116 534 2,476 
Reconciliation of revenue:
All Other revenues1
91 
Elimination of intersegment revenues(67)
Total operating revenues$2,500 
Less2:
Cost of services (excluding Depreciation, amortization and accretion reported below)390 37 196 
Cost of equipment and products427 — — 
Selling, general and administrative637 16 155 
Expenses related to strategic alternatives review (included in Selling, general and administrative)(20)(1)— 
Other segment items— — (4)
Segment Adjusted EBITDA (Non-GAAP)$392 $64 $187 $643 
Reconciliation of Segment Adjusted EBITDA to Income before income taxes:
All Other income (loss) before income taxes1
(64)
Depreciation, amortization and accretion(460)
Expenses related to strategic alternatives review (included in Selling, general and administrative)(21)
Loss on asset disposals, net(17)
Loss on license sales and exchanges, net(7)
Equity earnings of unconsolidated entities80 
Interest and dividend income6 
Interest expense(88)
Income before income taxes$71 
Other segment disclosures
Six Months Ended June 30, 2024Array WirelessArray TowersTDS TelecomSegment Total
All Other1
TDS Consolidated Total
Depreciation, amortization and accretion$(308)$(21)$(131)$(460)$(7)$(467)
Gain (loss) on asset disposals, net(10)(1)(6)(17)1 (16)
Loss on license sales and exchanges, net(7)— — (7)— (7)
Capital expenditures$286 $9 $164 $459 $5 $464 
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.
2The 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.
3This item is not included in the evaluation of operating performance of the Wireless and Towers segments, and therefore is reported for "Array".
4Assets are not provided at the individual segment level for Wireless and Towers, and therefore are reported for "Array". The Array segments operate under a common capital structure, and management has historically considered its assets collectively as part of a combined wireless network.