Net Income Per Share - Basic and Diluted Net Income Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Numerator:
Net income	$ 545,327	$ 353,999	$ 1,473,685	$ 925,357
Net income	$ 545,327	$ 353,999	$ 1,473,685	$ 925,357
Denominator:
Weighted-average shares used in computing net income per share, basic (in shares)	310,185	304,931	308,602	306,576
Add weighted-average effect of dilutive securities:
Employee equity awards (in shares)	7,446	9,470	7,962	10,169
Weighted-average shares used in computing net income per share, diluted (in shares)	317,631	314,401	316,564	316,745
Net income per share:
Basic (in dollars per share)	$ 1.76	$ 1.16	$ 4.78	$ 3.02
Diluted (in dollars per share)	$ 1.72	$ 1.13	$ 4.66	$ 2.92