CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Millions		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Statement [Abstract]
Revenue		$ 12,067	$ 11,223	$ 10,060
Costs and expenses:
Cost of revenue	[1]	2,163	1,965	1,757
Selling and marketing	[1]	6,135	5,767	5,298
Technology and content	[1]	1,763	1,617	1,387
General and administrative	[1]	847	808	676
Amortization of intangible assets		198	283	275
Impairment of goodwill		0	86	0
Impairment of intangible assets		0	42	0
Legal reserves, occupancy tax and other		34	(59)	25
Restructuring and related reorganization charges		24	0	17
Operating income		903	714	625
Other income (expense):
Interest income		59	71	34
Interest expense		(173)	(190)	(182)
Other, net		(14)	(110)	(60)
Total other expense, net		(128)	(229)	(208)
Income before income taxes		775	485	417
Provision for income taxes		(203)	(87)	(45)
Net income		572	398	372
Net (income) loss attributable to non-controlling interests		(7)	8	6
Net income attributable to Expedia Group, Inc.		$ 565	$ 406	$ 378
Earnings per share attributable to Expedia Group, Inc. available to common stockholders:
Basic (in dollars per share)		$ 3.84	$ 2.71	$ 2.49
Diluted (in dollars per share)		$ 3.77	$ 2.65	$ 2.42
Shares used in computing earnings per share (000's):
Basic (in shares)		147,194	149,961	151,619
Diluted (in shares)		149,884	152,889	156,385

[1] (1) Includes stock-based compensation as follows:           Cost of revenue $ 12
  $ 11
  $ 10
Selling and marketing 45
  44
  40
Technology and content 74
  61
  55
General and administrative 110
  87
  44