Commitments and Contingencies (Details) - USD ($) $ in Millions  | 
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2023  | 
Jun. 30, 2022  | 
Jun. 30, 2022  | 
Dec. 31, 2022  | 
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| Other Commitments [Line Items] | ||||
| Litigation settlement expense | $ 10 | $ 10 | ||
| Charter And Liberty Broadband Delaware Litigation | ||||
| Other Commitments [Line Items] | ||||
| Payments for Legal Settlements | $ 38 | |||
| GCI Holdings | Rural Health Care ("RHC") Program | ||||
| Other Commitments [Line Items] | ||||
| Estimated Litigation Liability | $ 41 | |||
| GCI Holdings | Rural Health Care ("RHC") Program | ||||
| Other Commitments [Line Items] | ||||
| Payments for Legal Settlements | 41 | |||
| GCI Holdings | Rural Health Care ("RHC") Program | DOJ | ||||
| Other Commitments [Line Items] | ||||
| Payments for Legal Settlements | 14 | |||
| GCI Holdings | Rural Health Care ("RHC") Program | FCC | ||||
| Other Commitments [Line Items] | ||||
| Payments for Legal Settlements | $ 27 | |||
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- Definition Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- Definition Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees. No definition available. 
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- Definition 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. No definition available. 
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- Definition The amount of cash paid for the settlement of litigation or for other legal issues during the period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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