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Basis of Presentation - Recent Events (Details) - USD ($) shares in Millions, $ in Millions	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Nov. 12, 2024
Equity, Class of Treasury Stock [Line Items]
Number of shares repurchased	0.0
Series C common stock
Equity, Class of Treasury Stock [Line Items]
Number of shares repurchased		1.1
Value of stock repurchased		$ 89
Class A and C common stock
Equity, Class of Treasury Stock [Line Items]
Remaining authorized repurchase amount	$ 1,685
Charter \| Liberty Broadband
Equity, Class of Treasury Stock [Line Items]
Corporate level tax liability			$ 420
Charter \| Maximum \| Liberty Broadband
Equity, Class of Treasury Stock [Line Items]
Corporate level tax liability			$ 420