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Common Stock (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Class of Stock [Line Items]
Treasury stock acquired (shares)	972,440	7,370,289	3,445,355	13,109,385
Payments for Repurchase of Common Stock	$ 326	$ 3,687	$ 1,238	$ 7,020
Remaining authorized repurchase amount	$ 482		$ 482
Share buybacks
Class of Stock [Line Items]
Treasury stock acquired (shares)	954,330	7,264,833	3,258,749	12,590,427
Payments for Repurchase of Common Stock	$ 324	$ 3,675	$ 1,187	$ 6,847
Share buybacks | Liberty Broadband
Class of Stock [Line Items]
Treasury stock acquired (shares)	0	2,257,443	120,149	3,227,684
Payments for Repurchase of Common Stock	$ 0	$ 1,204	$ 42	$ 1,806
Income tax withholding
Class of Stock [Line Items]
Treasury stock acquired (shares)	4,999	24,630	132,814	289,475
Payments for Repurchase of Common Stock	$ 2	$ 12	$ 51	$ 173
Exercise cost
Class of Stock [Line Items]
Treasury stock acquired (shares)	13,111	80,826	53,792	229,483

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