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Stock-Based Compensation - UScellular, Deferred Stock Units (Details) - Common Shares | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Award vesting period | 3 years |  |
Deferred Compensation Stock Units | UScellular Long-Term Incentive Plans |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Percent of match from annual bonus | 33.00% | 33.00% |
Percent of match up to 50% from annual bonus |  |  | 25.00%
Percent of match above 50% from annual bonus |  |  | 33.00%
Award vesting period | 3 years |  |

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- Definition Defined Contribution Plan, Employer Matching Contribution, Percent of Match up to 50% from Annual Bonus + References No definition available. + Details
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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