Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Statement [Abstract]
Revenues	$ 8,187,301	$ 7,970,141	$ 16,348,804	$ 15,837,908
Cost of revenues	4,673,470	4,690,755	9,477,095	8,975,460
Marketing	627,168	574,960	1,182,530	1,130,938
Technology and development	657,983	716,846	1,345,258	1,374,376
General and administrative	401,497	409,297	802,421	807,225
Operating income	1,827,183	1,578,283	3,541,500	3,549,909
Other income (expense):
Interest expense	(174,812)	(175,455)	(349,051)	(363,034)
Interest and other income (expense)	26,961	220,226	(44,243)	415,871
Income before income taxes	1,679,332	1,623,054	3,148,206	3,602,746
Provision for income taxes	(191,722)	(182,103)	(355,476)	(564,348)
Net income	$ 1,487,610	$ 1,440,951	$ 2,792,730	$ 3,038,398
Earnings per share:
Basic (in USD per share)	$ 3.35	$ 3.24	$ 6.28	$ 6.84
Diluted (in USD per share)	$ 3.29	$ 3.20	$ 6.18	$ 6.73
Weighted-average shares of common stock outstanding:
Basic (in shares)	443,881	444,557	444,559	444,352
Diluted (in shares)	451,572	450,169	451,990	451,578