CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Statement [Abstract]
Revenue		$ 3,558	$ 3,276	$ 9,320	$ 8,664
Costs and expenses:
Cost of revenue	[1]	569	504	1,604	1,489
Selling and marketing	[1]	1,660	1,501	4,852	4,558
Technology and content	[1]	440	404	1,304	1,200
General and administrative	[1]	217	202	622	597
Amortization of intangible assets		50	71	154	215
Impairment of goodwill		0	0	0	61
Legal reserves, occupancy tax and other		11	(78)	25	(74)
Restructuring and related reorganization charges		2	0	16	0
Operating income		609	672	743	618
Other income (expense):
Interest income		17	34	45	61
Interest expense		(40)	(47)	(120)	(149)
Other, net		(25)	(47)	(13)	(101)
Total other expense, net		(48)	(60)	(88)	(189)
Income before income taxes		561	612	655	429
Provision for income taxes		(154)	(81)	(161)	(56)
Net income		407	531	494	373
Net (income) loss attributable to non-controlling interests		2	(6)	(5)	16
Net income attributable to Expedia Group, Inc.		$ 409	$ 525	$ 489	$ 389
Earnings per share attributable to Expedia Group, Inc. available to common stockholders
Basic (in dollars per share)		$ 2.77	$ 3.51	$ 3.30	$ 2.59
Diluted (in dollars per share)		$ 2.71	$ 3.43	$ 3.24	$ 2.54
Shares used in computing earnings per share (000's):
Basic (in shares)		147,232	149,482	148,052	150,450
Diluted (in shares)		150,635	153,153	150,912	153,404

[1] (1) Includes stock-based compensation as follows:               Cost of revenue $ 3
  $ 3
  $ 9
  $ 8
Selling and marketing 11
  11
  34
  34
Technology and content 18
  15
  56
  46
General and administrative 28
  25
  76
  66