Consolidated statements of operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Statement [Abstract]
Revenue	$ 4,221,767	$ 3,646,166	$ 3,055,071
Costs and expenses:
Cost of revenue	841,521	750,355	688,760
Research and development	1,427,447	1,240,564	1,068,416
Sales and marketing	1,166,705	1,011,772	911,166
General and administrative	466,211	463,658	512,407
Total costs and expenses	3,901,884	3,466,349	3,180,749
Income (loss) from operations	319,883	179,817	(125,678)
Interest income (expense), net	110,493	127,003	105,439
Other income (expense), net	15,514	(19,215)	3,799
Income (loss) before provision for (benefit from) income taxes	445,890	287,605	(16,440)
Provision for (benefit from) income taxes	29,035	(1,574,501)	19,170
Net income (loss)	$ 416,855	$ 1,862,106	$ (35,610)
Net income (loss) per share:
Basic (in dollars per share)	$ 0.62	$ 2.74	$ (0.05)
Diluted (in dollars per share)	$ 0.61	$ 2.67	$ (0.05)
Weighted-average shares used in computing net income (loss) per share:
Basic (in shares)	674,706	678,831	674,641
Diluted (in shares)	687,771	698,376	674,641