CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenues	$ 17,090	$ 10,958	$ 6,796
Operating expenses:
Marketing expenses	5,993	3,801	2,179
Sales and other expenses	1,818	881	755
Personnel, including stock-based compensation of $404, $370, and $233, respectively	2,465	2,314	1,944
General and administrative	934	620	581
Information technology	526	412	299
Depreciation and amortization	451	421	458
Restructuring, disposal, and other exit activities	(199)	13	149
Impairment of goodwill	0	0	1,062
Total operating expenses	11,988	8,462	7,427
Operating income (loss)	5,102	2,496	(631)
Interest expense	(391)	(334)	(356)
Other income (expense), net	(788)	(697)	1,554
Income before income taxes	3,923	1,465	567
Income tax expense	865	300	508
Net income	$ 3,058	$ 1,165	$ 59
Net income applicable to common stockholders per basic common share (in dollars per share)	$ 76.70	$ 28.39	$ 1.45
Weighted-average number of basic common shares outstanding (in shares)	39,872	41,042	40,974
Net income applicable to common stockholders per diluted common share (in dollars per share)	$ 76.35	$ 28.17	$ 1.44
Weighted-average number of diluted common shares outstanding (in shares)	40,052	41,362	41,160
Agency revenues
Revenues	$ 9,003	$ 6,663	$ 4,314
Merchant revenues
Revenues	7,193	3,696	2,117
Advertising and other revenues
Revenues	$ 894	$ 599	$ 365