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Business Segment Information (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating revenues | $ 5,329 |  | $ 5,225 |  | $ 5,176
Selling, general and administrative | 1,677 |  | 1,681 |  | 1,717
Depreciation, amortization and accretion | 895 |  | 909 |  | 932
(Gain) loss on asset disposals, net | 26 |  | 27 |  | 12
(Gain) loss on sale of business and other exit costs, net | (2) |  | 0 |  | (1)
(Gain) loss on license sales and exchanges, net | 0 |  | (5) |  | 0
Operating income | 261 |  | 259 |  | 179
Equity in earnings of unconsolidated entities | 182 |  | 181 |  | 168
Interest and dividend income | 11 |  | 15 |  | 29
Gain (loss) on investments | 0 |  | 2 |  | 0
Interest expense | (232) |  | (168) |  | (165)
Other, net | (1) |  | (1) |  | 0
Income before income taxes | 221 |  | 288 |  | 211
Income tax expense (benefit) | 33 |  | 19 |  | 64
Net income | 188 |  | 269 |  | 147
Depreciation, amortization and accretion | 895 |  | 909 |  | 932
(Gain) loss on asset disposals, net | 26 |  | 27 |  | 12
(Gain) loss on sale of business and other exit costs, net | (2) |  | 0 |  | (1)
(Gain) loss on license sales and exchanges, net | 0 |  | (5) |  | 0
Gain (loss) on investments | 0 |  | (2) |  | 0
Interest expense | 232 |  | 168 |  | 165
Income tax expense | 33 |  | 19 |  | 64
Adjusted EBITDA | 1,372 |  | 1,385 |  | 1,319
Investments in unconsolidated entities | 479 |  | 477 |  | 488
Total assets | 13,493 | [1] | 12,525 | [1] | 10,781
Capital expenditures | 1,201 |  | 1,317 |  | 1,032
UScellular |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating revenues | 4,122 |  | 4,037 |  | 4,022
Selling, general and administrative | 1,345 |  | 1,368 |  | 1,406
Depreciation, amortization and accretion | 678 |  | 683 |  | 702
(Gain) loss on asset disposals, net | 23 |  | 25 |  | 19
(Gain) loss on sale of business and other exit costs, net | (2) |  |  |  | (1)
(Gain) loss on license sales and exchanges, net |  |  | (5) |  |
Operating income | 170 |  | 173 |  | 112
Equity in earnings of unconsolidated entities | 179 |  | 179 |  | 166
Interest and dividend income | 6 |  | 8 |  | 17
Gain (loss) on investments |  |  | 2 |  |
Interest expense | (175) |  | (112) |  | (110)
Other, net | 0 |  | 0 |  |
Income before income taxes | 180 |  | 250 |  | 185
Income tax expense (benefit) | 20 |  | 17 |  | 52
Net income | 160 |  | 233 |  | 133
Depreciation, amortization and accretion | 678 |  | 683 |  | 702
(Gain) loss on asset disposals, net | 23 |  | 25 |  | 19
(Gain) loss on sale of business and other exit costs, net | (2) |  |  |  | (1)
(Gain) loss on license sales and exchanges, net |  |  | (5) |  |
Gain (loss) on investments |  |  | (2) |  |
Interest expense | 175 |  | 112 |  | 110
Income tax expense | 20 |  | 17 |  | 52
Adjusted EBITDA | 1,054 |  | 1,063 |  | 1,015
Investments in unconsolidated entities | 439 |  | 435 |  | 447
Total assets | 10,341 |  | 9,681 |  | 8,164
Capital expenditures | 780 |  | 940 |  | 710
TDS Telecom |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating revenues | 1,006 |  | 976 |  | 930
Selling, general and administrative | 291 |  | 270 |  | 260
Depreciation, amortization and accretion | 198 |  | 203 |  | 200
(Gain) loss on asset disposals, net | 2 |  | 1 |  | (7)
(Gain) loss on sale of business and other exit costs, net | 0 |  |  |  | 0
(Gain) loss on license sales and exchanges, net |  |  | 0 |  |
Operating income | 110 |  | 110 |  | 107
Equity in earnings of unconsolidated entities | 0 |  | 0 |  | 0
Interest and dividend income | 1 |  | 5 |  | 12
Gain (loss) on investments |  |  | 0 |  |
Interest expense | 5 |  | 4 |  | 3
Other, net | (1) |  | (1) |  |
Income before income taxes | 114 |  | 117 |  | 122
Income tax expense (benefit) | 24 |  | 18 |  | 30
Net income | 90 |  | 100 |  | 92
Depreciation, amortization and accretion | 198 |  | 203 |  | 200
(Gain) loss on asset disposals, net | 2 |  | 1 |  | (7)
(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 | (5) |  | (4) |  | (3)
Income tax expense | 24 |  | 18 |  | 30
Adjusted EBITDA | 310 |  | 317 |  | 313
Investments in unconsolidated entities | 4 |  | 4 |  | 4
Total assets | 2,645 |  | 2,359 |  | 2,196
Capital expenditures | 411 |  | 368 |  | 316
Corporate, Eliminations and Other |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating revenues | 201 |  | 212 |  | 224
Selling, general and administrative | 41 |  | 43 |  | 51
Depreciation, amortization and accretion | 19 |  | 23 |  | 30
(Gain) loss on asset disposals, net | 1 |  | 1 |  | 0
(Gain) loss on sale of business and other exit costs, net | 0 |  |  |  | 0
(Gain) loss on license sales and exchanges, net |  |  | 0 |  |
Operating income | (19) |  | (24) |  | (40)
Equity in earnings of unconsolidated entities | 3 |  | 2 |  | 2
Interest and dividend income | 4 |  | 2 |  | 0
Gain (loss) on investments |  |  | 0 |  |
Interest expense | (62) |  | (60) |  | (58)
Other, net | 0 |  | 0 |  |
Income before income taxes | (73) |  | (79) |  | (96)
Income tax expense (benefit) | (11) |  | (16) |  | (18)
Net income | (62) |  | (64) |  | (78)
Depreciation, amortization and accretion | 19 |  | 23 |  | 30
(Gain) loss on asset disposals, net | 1 |  | 1 |  | 0
(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 | 62 |  | 60 |  | 58
Income tax expense | (11) |  | (16) |  | (18)
Adjusted EBITDA | 8 |  | 5 |  | (9)
Investments in unconsolidated entities | 36 |  | 38 |  | 37
Total assets | 507 |  | 485 |  | 421
Capital expenditures | 10 |  | 9 |  | 6
Service |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating revenues | 4,216 |  | 4,136 |  | 4,059
Cost of goods and services sold | 1,267 |  | 1,244 |  | 1,202
Service | UScellular |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating revenues | 3,115 |  | 3,067 |  | 3,035
Cost of goods and services sold | 790 |  | 782 |  | 756
Service | TDS Telecom |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating revenues | 1,005 |  | 975 |  | 928
Cost of goods and services sold | 404 |  | 392 |  | 368
Service | Corporate, Eliminations and Other |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating revenues | 96 |  | 94 |  | 96
Cost of goods and services sold | 73 |  | 70 |  | 78
Equipment and product sales |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating revenues | 1,113 |  | 1,089 |  | 1,117
Cost of goods and services sold | 1,205 |  | 1,110 |  | 1,135
Equipment and product sales | UScellular |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total operating revenues | 1,007 |  | 970 |  | 987
Cost of goods and services sold | 1,118 |  | 1,011 |  | 1,028
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 | 105 |  | 118 |  | 129
Cost of goods and services sold | $ 86 |  | $ 98 |  | $ 106
[1] | The consolidated total assets as of December 31, 2021 and 2020, include assets held by consolidated variable interest entities (VIEs) of $1,456 million and $1,042 million, respectively, which are not available to be used to settle the obligations of TDS. The consolidated total liabilities as of December 31, 2021 and 2020, include certain liabilities of consolidated VIEs of $21 million and $18 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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