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Common Stock (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Class of Stock [Line Items]
Treasury stock acquired (shares)	2,276,635	1,557,554
Payments for Repurchase of Common Stock	$ 802	$ 516
Remaining authorized repurchase amount	$ 2,700
Share buybacks
Class of Stock [Line Items]
Treasury stock acquired (shares)	2,005,395	1,409,597
Payments for Repurchase of Common Stock	$ 731	$ 472
Share buybacks | Liberty Broadband
Class of Stock [Line Items]
Treasury stock acquired (shares)	825,420	213,216
Payments for Repurchase of Common Stock	$ 300	$ 81
Income tax withholding
Class of Stock [Line Items]
Treasury stock acquired (shares)	202,074	121,907
Payments for Repurchase of Common Stock	$ 71	$ 44
Exercise cost
Class of Stock [Line Items]
Treasury stock acquired (shares)	69,166	26,050

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