Income Taxes (Tables)

12 Months Ended

Dec. 31, 2017

Income Taxes

Schedule of domestic and foreign income (loss) before income taxes

	Year ended December 31,
	2017		2016	2015
	amounts in millions
U.S.	$	(3,608)	1,565	445
Foreign		462	56	—
Total	$	(3,146)	1,621	445

Schedule of income tax benefit (expense) form U.S. federal income tax rate

	Year ended December 31,
	2017		2016	2015
	amounts in millions
Computed expected tax benefit (expense)	$	1,101	(567)	(156)
State and local income taxes, net of federal income taxes		13	32	(13)
Foreign taxes, net of foreign tax credit		34	(8)	1
Repatriation of foreign earnings		(144)	—	—
Change in tax rate due to Tax Act		971	—	—
Nontaxable consolidation of Expedia		—	992	—
Goodwill impairment		(769)	—	—
Other, net		(65)	2	5
Income tax benefit (expense)	$	1,141	451	(163)

Schedule of deferred income tax assets and deferred income tax liabilities

	December 31,
	2017		2016
	amounts in millions
Deferred tax assets:
Net operating and credit carryforwards	$	130	117
Accrued stock compensation		85	175
Other accrued liabilities		53	101
Other		221	280
Deferred tax assets		489	673
Valuation allowance		(79)	(66)
Net deferred tax assets		410	607
Deferred tax liabilities:
Intangible assets		2,428	3,909
Other		137	175
Deferred tax liabilities		2,565	4,084
Net deferred tax liabilities	$	2,155	3,477

Schedule of reconciliation of unrecognized tax benefits

	December 31,
	2017
	amounts in millions
Balance at beginning of year	$	221
Increases to tax positions related to the current year		35
Increases to tax positions related to prior years		3
Decreases to tax positions related to prior years		(1)
Reductions due to lapsed statute of limitations		(3)
Settlements during current year		(1)
Interest and penalties		7
Balance at end of year	$	261