Percentage of outstanding equity of GCI, LLC that will be included in GCI Liberty.

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Broadband Spin-Off Distribution Ratio

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Amount of preacquisition restructuring liability assumed in business combination and recognized at acquisition date.

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Face amount or stated value per share of common stock.

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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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Amount remaining authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

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Number of shares that have been repurchased and retired during the period.

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Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

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Basis of Presentation - Recent Events (Details) $ / shares in Units, shares in Millions, $ in Millions		6 Months Ended
	Jul. 14, 2025	Jun. 30, 2025 USD ($) $ / shares shares	Jun. 30, 2024 USD ($) shares	Jun. 23, 2025	Dec. 31, 2024 $ / shares	Nov. 12, 2024 USD ($)
Liberty Broadband
Equity, Class of Treasury Stock [Line Items]
Number of shares repurchased \| shares		0.0
Class A common stock
Equity, Class of Treasury Stock [Line Items]
Common stock par value \| $ / shares		$ 0.01			$ 0.01
Series B common stock
Equity, Class of Treasury Stock [Line Items]
Common stock par value \| $ / shares		0.01			0.01
Series C common stock
Equity, Class of Treasury Stock [Line Items]
Common stock par value \| $ / shares		$ 0.01			$ 0.01
Series C common stock \| Liberty Broadband
Equity, Class of Treasury Stock [Line Items]
Number of shares repurchased \| shares			1.1
Value of stock repurchased \| $			$ 89
Class A and C common stock \| Liberty Broadband
Equity, Class of Treasury Stock [Line Items]
Remaining authorized repurchase amount \| $		$ 1,685
Charter \| Liberty Broadband
Equity, Class of Treasury Stock [Line Items]
Maximum corporate level tax liability \| $						$ 420
GCI Liberty, Inc.
Equity, Class of Treasury Stock [Line Items]
Percentage of outstanding equity of GCI, LLC after spin-off				100.00%
GCI Liberty, Inc. \| Subsequent event
Equity, Class of Treasury Stock [Line Items]
Spin-Off Distribution Ratio	0.2