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Property, Plant and Equipment (Tables) | 12 Months Ended
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Dec. 31, 2022
Property, Plant and Equipment [Abstract] |
Property, plant and equipment | TDS’ Property, plant and equipment in service and under construction, and related accumulated depreciation and amortization, as of December 31, 2022 and 2021, were as follows:
December 31, | Useful Lives (Years) |  | 2022 |  | 2021
(Dollars in millions) |  |  |  |  |
Land | N/A |  | $ | 63 |  |  | $ | 62 |
Buildings | 5-40 |  | 532 |  |  | 541 |
Leasehold and land improvements | 1-30 |  | 1,538 |  |  | 1,476 |
Cable and wire | 15-40 |  | 2,609 |  |  | 2,403 |
Network and switching equipment | 3-10 |  | 2,706 |  |  | 2,671 |
Cell site equipment | 7-25 |  | 4,248 |  |  | 4,150 |
Office furniture and equipment | 3-10 |  | 296 |  |  | 346 |
Other operating assets and equipment | 1-12 |  | 200 |  |  | 176 |
System development | 1-7 |  | 2,070 |  |  | 1,864 |
Work in process | N/A |  | 709 |  |  | 576 |
Total property, plant and equipment, gross |  |  | 14,971 |  |  | 14,265 |
Accumulated depreciation and amortization |  |  | (10,211) |  |  | (9,904) |
Total property, plant and equipment, net |  |  | $ | 4,760 |  |  | $ | 4,361 |

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
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