Stock-Based Compensation - UScellular, Deferred Stock Units (Details) - Common Shares	12 Months Ended
Dec. 31, 2023
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%
Award vesting period	3 years

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details