CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Revenues	$ 29,697,844	$ 24,996,056	$ 20,156,447
Cost of revenues	17,332,683	15,276,319	12,440,213
Marketing	2,545,146	2,228,362	2,652,462
Technology and development	2,273,885	1,829,600	1,545,149
General and administrative	1,351,621	1,076,486	914,369
Operating income	6,194,509	4,585,289	2,604,254
Other income (expense):
Interest expense	(765,620)	(767,499)	(626,023)
Interest and other income (expense)	411,214	(618,441)	84,000
Income before income taxes	5,840,103	3,199,349	2,062,231
Provision for income taxes	(723,875)	(437,954)	(195,315)
Net income	$ 5,116,228	$ 2,761,395	$ 1,866,916
Earnings per share:
Basic (in USD per share)	$ 11.55	$ 6.26	$ 4.26
Diluted (in USD per share)	$ 11.24	$ 6.08	$ 4.13
Weighted-average common shares outstanding:
Basic (in shares)	443,155	440,922	437,799
Diluted (in shares)	455,372	454,208	451,765