Common Stock (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Class of Stock [Line Items]
Treasury stock acquired (shares)	2,472,915	5,739,096
Payments for Repurchase of Common Stock	$ 912	$ 3,333
Remaining authorized repurchase amount	$ 305
Share buybacks
Class of Stock [Line Items]
Treasury stock acquired (shares)	2,304,419	5,325,594
Payments for Repurchase of Common Stock	$ 863	$ 3,172
Share buybacks | Liberty Broadband
Class of Stock [Line Items]
Treasury stock acquired (shares)	120,149	970,241
Payments for Repurchase of Common Stock	$ 42	$ 602
Income tax withholding
Class of Stock [Line Items]
Treasury stock acquired (shares)	127,815	264,845
Payments for Repurchase of Common Stock	$ 49	$ 161
Exercise cost
Class of Stock [Line Items]
Treasury stock acquired (shares)	40,681	148,657