Earnings Per Share - Basic and Diluted Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share [Abstract]
Net income attributable to Expedia Group, Inc.	$ 797	$ 352	$ 12
Preferred stock dividend	0	0	(67)
Loss on redemption of preferred stock	0	0	(214)
Net income (loss) attributable to Expedia Group, Inc. common stockholders, basic	797	352	(269)
Net income (loss) attributable to Expedia Group, Inc. common stockholders, diluted	$ 797	$ 352	$ (269)
Earnings (loss) per share attributable to Expedia Group, Inc. available to common stockholders:
Basic (in dollars per share)	$ 5.50	$ 2.24	$ (1.80)
Diluted (in dollars per share)	$ 5.31	$ 2.17	$ (1.80)
Weighted average number of shares outstanding (000's):
Basic (in shares)	144,967	156,672	149,734
Dilutive effect of:
Convertible Notes (in shares)	3,921	3,921	0
Stock-based awards (in shares)	1,333	1,153	0
Other dilutive securities (in shares)	7	5	0
Diluted (in shares)	150,228	161,751	149,734