Information About Liberty's Operating Segments - Reconciliation Of Segment Adjusted OIBDA (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Information About Liberty's Operating Segments
Adjusted OIBDA	$ 909	$ 946	$ 2,563	$ 2,473
Stock-based compensation	(61)	(65)	(173)	(188)
Impairment, restructuring and acquisition costs, net of recoveries	(74)	95	(75)	(13)
Depreciation and amortization	(268)	(274)	(790)	(806)
Operating income (loss)	506	702	1,525	1,466
Interest expense	(179)	(168)	(497)	(484)
Share of earnings (losses) of affiliates, net	111	9	158	(134)
Realized and unrealized gains (losses) on financial instruments, net	106	(40)	545	66
Gains (losses) on dilution of investment in affiliate	2	142	9	152
Other, net	18	(72)	78	(54)
Earnings (loss) before income taxes	$ 564	$ 573	$ 1,818	$ 1,012