Segment Information - Operating Segment Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Revenue	$ 11,667	$ 8,598	$ 5,199
Adjusted EBITDA	2,349	1,477	(368)
Depreciation	(704)	(715)	(739)
Amortization of intangible assets	(88)	(99)	(154)
Impairment of intangible assets	(81)
Impairment of goodwill	0	(14)	(799)
Intangible and other long-term asset impairment	(81)	(6)	(175)
Stock-based compensation	(374)	(418)	(205)
Legal reserves, occupancy tax and other	(23)	(1)	13
Restructuring and related reorganization charges	0	(55)	(231)
Realized (gain) loss on revenue hedges	6	17	(61)
Operating income (loss)	1,085	186	(2,719)
Other expense, net	(547)	(224)	(432)
Income (loss) before income taxes	538	(38)	(3,151)
Provision for income taxes	(195)	53	423
Net income (loss)	343	15	(2,728)
Net (income) loss attributable to non-controlling interests	9	(3)	116
Net income (loss) attributable to Expedia Group, Inc.	352	12	(2,612)
Preferred stock dividend	0	(67)	(75)
Loss on redemption of preferred stock	0	(214)	0
Net income (loss) attributable to Expedia Group, Inc. common stockholders, basic	352	(269)	(2,687)
Corporate
Segment Reporting Information [Line Items]
Revenue	0	0	59
Intersegment revenue
Segment Reporting Information [Line Items]
Revenue	(181)	(106)	(75)
Corporate & Eliminations
Segment Reporting Information [Line Items]
Revenue	(181)	(106)	(16)
Adjusted EBITDA	(487)	(454)	(462)
Depreciation	(102)	(81)	(74)
Amortization of intangible assets	(88)	(99)	(154)
Impairment of intangible assets	(81)
Impairment of goodwill		(14)	(799)
Intangible and other long-term asset impairment		(6)	(175)
Stock-based compensation	(374)	(418)	(205)
Legal reserves, occupancy tax and other	(23)	(1)	13
Restructuring and related reorganization charges		(55)	(231)
Realized (gain) loss on revenue hedges	0	0	0
Operating income (loss)	(1,155)	(1,128)	(2,087)
Retail
Segment Reporting Information [Line Items]
Revenue	8,741	6,821	3,993
Impairment of intangible assets			(175)
Impairment of goodwill		0
Retail | Intersegment revenue
Segment Reporting Information [Line Items]
Revenue	0	0	0
Retail | Reportable Segments
Segment Reporting Information [Line Items]
Revenue	8,741	6,821	3,993
Adjusted EBITDA	2,124	1,782	298
Depreciation	(509)	(522)	(525)
Amortization of intangible assets	0	0	0
Impairment of intangible assets	0
Impairment of goodwill		0	0
Intangible and other long-term asset impairment		0	0
Stock-based compensation	0	0	0
Legal reserves, occupancy tax and other	0	0	0
Restructuring and related reorganization charges		0	0
Realized (gain) loss on revenue hedges	2	17	(58)
Operating income (loss)	1,617	1,277	(285)
B2B
Segment Reporting Information [Line Items]
Revenue	2,546	1,460	942
Impairment of goodwill		(14)
B2B | Intersegment revenue
Segment Reporting Information [Line Items]
Revenue	0	0	0
B2B | Reportable Segments
Segment Reporting Information [Line Items]
Revenue	2,546	1,460	942
Adjusted EBITDA	599	110	(190)
Depreciation	(85)	(102)	(128)
Amortization of intangible assets	0	0	0
Impairment of intangible assets	0
Impairment of goodwill		0	0
Intangible and other long-term asset impairment		0	0
Stock-based compensation	0	0	0
Legal reserves, occupancy tax and other	0	0	0
Restructuring and related reorganization charges		0	0
Realized (gain) loss on revenue hedges	4	0	(3)
Operating income (loss)	518	8	(321)
trivago
Segment Reporting Information [Line Items]
Revenue	380	317	205
Impairment of goodwill		0
trivago | Intersegment revenue
Segment Reporting Information [Line Items]
Revenue	181	106	75
trivago | Reportable Segments
Segment Reporting Information [Line Items]
Revenue	561	423	280
Adjusted EBITDA	113	39	(14)
Depreciation	(8)	(10)	(12)
Amortization of intangible assets	0	0	0
Impairment of intangible assets	0
Impairment of goodwill		0	0
Intangible and other long-term asset impairment		0	0
Stock-based compensation	0	0	0
Legal reserves, occupancy tax and other	0	0	0
Restructuring and related reorganization charges		0	0
Realized (gain) loss on revenue hedges	0	0	0
Operating income (loss)	$ 105	$ 29	$ (26)