CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Statement [Abstract]
Revenue		$ 566	$ 3,153	$ 2,775	$ 5,762
Costs and expenses:
Cost of revenue (exclusive of depreciation and amortization shown separately below)	[1]	389	500	1,018	990
Selling and marketing	[1]	296	1,643	1,506	3,164
Technology and content	[1]	255	304	563	601
General and administrative	[1]	152	205	339	389
Depreciation and amortization		232	228	461	456
Impairment of goodwill		20	0	785	0
Impairment of intangible assets		10	0	131	0
Legal reserves, occupancy tax and other		8	4	(13)	14
Restructuring and related reorganization charges		53	4	128	14
Operating income (loss)		(849)	265	(2,143)	134
Other income (expense):
Interest income		3	17	13	28
Interest expense		(95)	(39)	(145)	(80)
Other, net		(12)	(8)	(157)	12
Total other expense, net		(104)	(30)	(289)	(40)
Income (loss) before income taxes		(953)	235	(2,432)	94
Provision for income taxes		213	(48)	295	(7)
Net income (loss)		(740)	187	(2,137)	87
Net (income) loss attributable to non-controlling interests		4	(4)	100	(7)
Net income (loss) attributable to Expedia Group, Inc.		(736)	183	(2,037)	80
Preferred stock dividend		(17)	0	(17)	0
Net income (loss) attributable to Expedia Group, Inc. common stockholders		$ (753)	$ 183	$ (2,054)	$ 80
Earnings (loss) per share attributable to Expedia Group, Inc. available to common stockholders
Basic (in dollars per share)		$ (5.34)	$ 1.23	$ (14.57)	$ 0.54
Diluted (in dollars per share)		$ (5.34)	$ 1.21	$ (14.57)	$ 0.53
Shares used in computing earnings (loss) per share (000's):
Basic (in shares)		141,072	149,049	140,947	148,468
Diluted (in shares)		141,072	151,561	140,947	151,057

[1] (1) Includes stock-based compensation as follows:               Cost of revenue $ 3
  $ 3
  $ 6
  $ 6
Selling and marketing 13
  12
  25
  23
Technology and content 18
  19
  38
  38
General and administrative 20
  25
  40
  48