Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Income Statement [Abstract]
Revenues	$ 7,925,589	$ 7,483,467	$ 23,763,497	$ 21,988,526
Cost of revenues	4,788,665	4,206,589	13,764,125	12,093,108
Marketing	567,954	635,948	1,698,892	1,752,433
Technology and development	662,739	563,887	2,037,115	1,626,415
General and administrative	373,213	321,790	1,180,438	953,831
Operating income	1,533,018	1,755,253	5,082,927	5,562,739
Other income (expense):
Interest expense	(172,575)	(190,429)	(535,609)	(576,191)
Interest and other income	261,404	96,135	677,275	302,702
Income before income taxes	1,621,847	1,660,959	5,224,593	5,289,250
Provision for income taxes	(223,605)	(211,888)	(787,953)	(780,451)
Net income	$ 1,398,242	$ 1,449,071	$ 4,436,640	$ 4,508,799
Earnings per share:
Basic (dollars per share)	$ 3.14	$ 3.27	$ 9.98	$ 10.18
Diluted (dollars per share)	$ 3.10	$ 3.19	$ 9.83	$ 9.90
Weighted-average shares of common stock outstanding:
Basic (in shares)	444,878	442,778	444,529	443,052
Diluted (in shares)	450,344	454,925	451,168	455,230