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Business Segment Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating revenues | $ 5,413 |  | $ 5,329 |  | $ 5,225
Selling, general and administrative | 1,768 |  | 1,677 |  | 1,681
Depreciation, amortization and accretion | 929 |  | 895 |  | 909
Loss on impairment of licenses | 3 |  | 0 |  | 0
(Gain) loss on asset disposals, net | 27 |  | 26 |  | 27
(Gain) loss on sale of business and other exit costs, net | (1) |  | (2) |  | 0
(Gain) loss on license sales and exchanges, net | 0 |  | 0 |  | (5)
Operating income | 122 |  | 261 |  | 259
Equity in earnings of unconsolidated entities | 159 |  | 182 |  | 181
Interest and dividend income | 17 |  | 11 |  | 15
Gain (loss) on investments | 0 |  | 0 |  | 2
Interest expense | (174) |  | (232) |  | (168)
Other, net | 1 |  | (1) |  | (1)
Income before income taxes | 125 |  | 221 |  | 288
Income tax expense (benefit) | 53 |  | 33 |  | 19
Net income | 72 |  | 188 |  | 269
Depreciation, amortization and accretion | 929 |  | 895 |  | 909
Loss on impairment of licenses | 3 |  | 0 |  | 0
(Gain) loss on asset disposals, net | 27 |  | 26 |  | 27
(Gain) loss on sale of business and other exit costs, net | (1) |  | (2) |  | 0
(Gain) loss on license sales and exchanges, net | 0 |  | 0 |  | (5)
(Gain) loss on investments | 0 |  | 0 |  | (2)
Interest expense | 174 |  | 232 |  | 168
Income tax expense | 53 |  | 33 |  | 19
Adjusted EBITDA | 1,257 |  | 1,372 |  | 1,385
Investments in unconsolidated entities | 495 |  | 479 |  | 477
Total assets | 14,550 | [1] | 13,493 | [1] | 12,525
Capital expenditures | 1,285 |  | 1,201 |  | 1,317
UScellular |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating revenues | 4,169 |  | 4,122 |  | 4,037
Selling, general and administrative | 1,408 |  | 1,345 |  | 1,368
Depreciation, amortization and accretion | 700 |  | 678 |  | 683
Loss on impairment of licenses | 3 |  |  |  |
(Gain) loss on asset disposals, net | 19 |  | 23 |  | 25
(Gain) loss on sale of business and other exit costs, net | (1) |  | (2) |  |
(Gain) loss on license sales and exchanges, net |  |  |  |  | (5)
Operating income | 69 |  | 170 |  | 173
Equity in earnings of unconsolidated entities | 158 |  | 179 |  | 179
Interest and dividend income | 8 |  | 6 |  | 8
Gain (loss) on investments |  |  |  |  | 2
Interest expense | (163) |  | (175) |  | (112)
Other, net | 0 |  | 0 |  | 0
Income before income taxes | 72 |  | 180 |  | 250
Income tax expense (benefit) | 37 |  | 20 |  | 17
Net income | 35 |  | 160 |  | 233
Depreciation, amortization and accretion | 700 |  | 678 |  | 683
Loss on impairment of licenses | 3 |  |  |  |
(Gain) loss on asset disposals, net | 19 |  | 23 |  | 25
(Gain) loss on sale of business and other exit costs, net | (1) |  | (2) |  |
(Gain) loss on license sales and exchanges, net |  |  |  |  | (5)
(Gain) loss on investments |  |  |  |  | (2)
Interest expense | 163 |  | 175 |  | 112
Income tax expense | 37 |  | 20 |  | 17
Adjusted EBITDA | 956 |  | 1,054 |  | 1,063
Investments in unconsolidated entities | 452 |  | 439 |  | 435
Total assets | 11,119 |  | 10,341 |  | 9,681
Capital expenditures | 717 |  | 780 |  | 940
TDS Telecom |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating revenues | 1,020 |  | 1,006 |  | 976
Selling, general and administrative | 313 |  | 291 |  | 270
Depreciation, amortization and accretion | 215 |  | 198 |  | 203
Loss on impairment of licenses | 0 |  |  |  |
(Gain) loss on asset disposals, net | 7 |  | 2 |  | 1
(Gain) loss on sale of business and other exit costs, net | 0 |  | 0 |  |
(Gain) loss on license sales and exchanges, net |  |  |  |  | 0
Operating income | 66 |  | 110 |  | 110
Equity in earnings of unconsolidated entities | 0 |  | 0 |  | 0
Interest and dividend income | 2 |  | 1 |  | 5
Gain (loss) on investments |  |  |  |  | 0
Interest expense | 7 |  | 5 |  | 4
Other, net | 1 |  | (1) |  | (1)
Income before income taxes | 76 |  | 114 |  | 117
Income tax expense (benefit) | 23 |  | 24 |  | 18
Net income | 53 |  | 90 |  | 100
Depreciation, amortization and accretion | 215 |  | 198 |  | 203
Loss on impairment of licenses | 0 |  |  |  |
(Gain) loss on asset disposals, net | 7 |  | 2 |  | 1
(Gain) loss on sale of business and other exit costs, net | 0 |  | 0 |  |
(Gain) loss on license sales and exchanges, net |  |  |  |  | 0
(Gain) loss on investments |  |  |  |  | 0
Interest expense | (7) |  | (5) |  | (4)
Income tax expense | 23 |  | 24 |  | 18
Adjusted EBITDA | 291 |  | 310 |  | 317
Investments in unconsolidated entities | 4 |  | 4 |  | 4
Total assets | 3,056 |  | 2,645 |  | 2,359
Capital expenditures | 556 |  | 411 |  | 368
Corporate, Eliminations and Other |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating revenues | 224 |  | 201 |  | 212
Selling, general and administrative | 47 |  | 41 |  | 43
Depreciation, amortization and accretion | 14 |  | 19 |  | 23
Loss on impairment of licenses | 0 |  |  |  |
(Gain) loss on asset disposals, net | 1 |  | 1 |  | 1
(Gain) loss on sale of business and other exit costs, net | 0 |  | 0 |  |
(Gain) loss on license sales and exchanges, net |  |  |  |  | 0
Operating income | (13) |  | (19) |  | (24)
Equity in earnings of unconsolidated entities | 1 |  | 3 |  | 2
Interest and dividend income | 7 |  | 4 |  | 2
Gain (loss) on investments |  |  |  |  | 0
Interest expense | (18) |  | (62) |  | (60)
Other, net | 0 |  | 0 |  | 0
Income before income taxes | (23) |  | (73) |  | (79)
Income tax expense (benefit) | (7) |  | (11) |  | (16)
Net income | (16) |  | (62) |  | (64)
Depreciation, amortization and accretion | 14 |  | 19 |  | 23
Loss on impairment of licenses | 0 |  |  |  |
(Gain) loss on asset disposals, net | 1 |  | 1 |  | 1
(Gain) loss on sale of business and other exit costs, net | 0 |  | 0 |  |
(Gain) loss on license sales and exchanges, net |  |  |  |  | 0
(Gain) loss on investments |  |  |  |  | 0
Interest expense | 18 |  | 62 |  | 60
Income tax expense | (7) |  | (11) |  | (16)
Adjusted EBITDA | 10 |  | 8 |  | 5
Investments in unconsolidated entities | 39 |  | 36 |  | 38
Total assets | 375 |  | 507 |  | 484
Capital expenditures | 12 |  | 10 |  | 9
Service |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating revenues | 4,240 |  | 4,216 |  | 4,136
Cost of goods and services sold | 1,245 |  | 1,267 |  | 1,244
Service | UScellular |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating revenues | 3,125 |  | 3,115 |  | 3,067
Cost of goods and services sold | 755 |  | 790 |  | 782
Service | TDS Telecom |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating revenues | 1,019 |  | 1,005 |  | 975
Cost of goods and services sold | 418 |  | 404 |  | 392
Service | Corporate, Eliminations and Other |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating revenues | 96 |  | 96 |  | 94
Cost of goods and services sold | 72 |  | 73 |  | 70
Equipment and product sales |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating revenues | 1,173 |  | 1,113 |  | 1,089
Cost of goods and services sold | 1,320 |  | 1,205 |  | 1,110
Equipment and product sales | UScellular |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating revenues | 1,044 |  | 1,007 |  | 970
Cost of goods and services sold | 1,216 |  | 1,118 |  | 1,011
Equipment and product sales | TDS Telecom |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating revenues | 1 |  | 1 |  | 1
Cost of goods and services sold | 1 |  | 1 |  | 1
Equipment and product sales | Corporate, Eliminations and Other |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating revenues | 128 |  | 105 |  | 118
Cost of goods and services sold | $ 103 |  | $ 86 |  | $ 98
[1] | The consolidated total assets as of December 31, 2022 and 2021, include assets held by consolidated variable interest entities (VIEs) of $1,236 million and $1,456 million, respectively, which are not available to be used to settle the obligations of TDS. The consolidated total liabilities as of December 31, 2022 and 2021, include certain liabilities of consolidated VIEs of $23 million and $21 million, respectively, for which the creditors of the VIEs have no recourse to the general credit of TDS. See Note 15 — Variable Interest Entities for additional information.

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