CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Revenue		$ 8,598,000,000	$ 5,199,000,000	$ 12,067,000,000
Costs and expenses:
Cost of revenue	[1]	1,522,000,000	1,649,000,000	2,066,000,000
Selling and marketing	[1]	4,221,000,000	2,527,000,000	6,060,000,000
Technology and content	[1]	1,074,000,000	1,068,000,000	1,263,000,000
General and administrative	[1]	705,000,000	589,000,000	807,000,000
Depreciation and amortization		814,000,000	893,000,000	910,000,000
Impairment of goodwill		14,000,000	799,000,000	0
Intangible and other long-term asset impairment		6,000,000	175,000,000	0
Legal reserves, occupancy tax and other		1,000,000	(13,000,000)	34,000,000
Restructuring and related reorganization charges		55,000,000	231,000,000	24,000,000
Operating income (loss)		186,000,000	(2,719,000,000)	903,000,000
Other income (expense):
Interest income		9,000,000	18,000,000	59,000,000
Interest expense		(351,000,000)	(360,000,000)	(173,000,000)
Loss on debt extinguishment		(280,000,000)	0	0
Gain (loss) on sale of business, net		456,000,000	(13,000,000)	0
Other, net		(58,000,000)	(77,000,000)	(14,000,000)
Total other expense, net		(224,000,000)	(432,000,000)	(128,000,000)
Income (loss) before income taxes		(38,000,000)	(3,151,000,000)	775,000,000
Provision for income taxes		53,000,000	423,000,000	(203,000,000)
Net income (loss)		15,000,000	(2,728,000,000)	572,000,000
Net (income) loss attributable to non-controlling interests		(3,000,000)	116,000,000	(7,000,000)
Net income (loss) attributable to Expedia Group, Inc.		12,000,000	(2,612,000,000)	565,000,000
Preferred stock dividend		(67,000,000)	(75,000,000)	0
Loss on redemption of preferred stock		(214,000,000)	0	0
Net income (loss) attributable to Expedia Group, Inc. common stockholders		$ (269,000,000)	$ (2,687,000,000)	$ 565,000,000
Earnings (loss) per share attributable to Expedia Group, Inc. available to common stockholders:
Basic (in dollars per share)		$ (1.80)	$ (19.00)	$ 3.84
Diluted (in dollars per share)		$ (1.80)	$ (19.00)	$ 3.77
Shares used in computing earnings (loss) per share (000's):
Basic (in shares)		149,734	141,414	147,194
Diluted (in shares)		149,734	141,414	149,884

[1]  (1) Includes stock-based compensation as follows:Cost of revenue$22 $12 $12 Selling and marketing96 48 45 Technology and content117 69 74 General and administrative183 76 110