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Common Stock (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Class of Stock [Line Items]
Treasury stock acquired (shares)	1,557,554	2,472,915
Payments for Repurchase of Common Stock	$ 516	$ 912
Remaining authorized repurchase amount	$ 263
Share buybacks
Class of Stock [Line Items]
Treasury stock acquired (shares)	1,409,597	2,304,419
Payments for Repurchase of Common Stock	$ 472	$ 863
Share buybacks | Liberty Broadband
Class of Stock [Line Items]
Treasury stock acquired (shares)	213,216	120,149
Payments for Repurchase of Common Stock	$ 81	$ 42
Income tax withholding
Class of Stock [Line Items]
Treasury stock acquired (shares)	121,907	127,815
Payments for Repurchase of Common Stock	$ 44	$ 49
Exercise cost
Class of Stock [Line Items]
Treasury stock acquired (shares)	26,050	40,681

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