Investment in Expedia, Inc. - Expedia's Consolidated Statement Of Operations (Details) - Expedia - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Schedule of Equity Method Investments [Line Items]
Revenue	$ 2,581	$ 1,938	$ 6,681	$ 4,974
Cost of revenue	417	328	1,226	971
Gross Profit	2,164	1,610	5,455	4,003
Selling, general and administrative expenses	(1,701)	(1,234)	(4,890)	(3,536)
Amortization	(77)	(31)	(251)	(83)
Operating income (loss)	386	345	314	384
Interest expense	(43)	(33)	(130)	(90)
Other income (expense), net	(3)	30	(23)	638
Income tax (expense) benefit	(61)	(66)	15	(196)
Net income (loss)	279	276	176	736
Net (income) loss attributable to noncontrolling interests		7	26	41
Net earnings (loss) attributable to Liberty Expedia Holdings shareholders	$ 279	$ 283	$ 202	$ 777