CONDENSED CONSOLIDATED STATEMENT OF INCOME - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Net revenues	$ 2,510	$ 2,483
Cost of net revenues	700	689
Gross profit	1,810	1,794
Operating expenses:
Sales and marketing	511	478
Product development	352	301
General and administrative	297	226
Provision for transaction losses	84	96
Amortization of acquired intangible assets	8	1
Total operating expenses	1,252	1,102
Income from operations	558	692
Gain (loss) on equity investments and warrant, net	198	(2,291)
Interest and other, net	(26)	(50)
Income (loss) from continuing operations before income taxes	730	(1,649)
Income tax benefit (provision)	(161)	310
Income (loss) from continuing operations	569	(1,339)
Income (loss) from discontinued operations, net of income taxes	(2)	(2)
Net income (loss)	$ 567	$ (1,341)
Income (loss) per share - basic:
Continuing operations (in usd per share)	$ 1.06	$ (2.28)
Discontinued operations (in usd per share)	0	0
Net income (loss) per share - basic (in usd per share)	1.06	(2.28)
Income (loss) per share - diluted:
Continuing operations (in usd per share)	1.05	(2.28)
Discontinued operations (in usd per share)	0	0
Net income (loss) per share - diluted (in usd per share)	$ 1.05	$ (2.28)
Weighted-average shares:
Basic (in shares)	537	587
Diluted (in shares)	541	587