Information About Liberty's Operating Segments - Reconciliation Of Segment Adjusted OIBDA (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Information About Liberty's Operating Segments
Adjusted OIBDA	$ 3,325	$ 2,509	$ 2,931
Litigation settlements and reserves		16	(25)
Stock-based compensation	(256)	(261)	(291)
Impairment, restructuring and acquisition costs, net of recoveries	(20)	(1,004)	(84)
Depreciation and amortization	(1,072)	(1,083)	(1,061)
Operating income (loss)	1,977	177	1,470
Interest expense	(642)	(634)	(657)
Share of earnings (losses) of affiliates, net	(200)	(586)	6
Realized and unrealized gains (losses) on financial instruments, net	(451)	(402)	(315)
Gains (losses) on dilution of investment in affiliate	152	4	7
Other, net	(47)	6	2
Earnings (loss) before income taxes	$ 789	$ (1,435)	$ 513