Earnings Per Share - Schedule of Basic and Diluted Net Income (Loss) Per Share Attributable to Common Stockholders (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Numerator:
Net income	$ 236,183	$ (4,518)
Income attributable to options exercises by promissory notes	(726)	0
Income attributable to common stock subject to share repurchase agreements	(724)	0
Income attributable to unvested early exercised options	(1)	0
Net income (loss) attributable to common stock—Basic	$ 234,732	$ (4,518)
Denominator:
Weighted-average shares used in computing net income (loss) per share—Basic (in shares)	335,794,739	373,160,029
Net income (loss) per share attributable to common stock—Basic (in dollars per share)	$ 0.70	$ (0.01)
Numerator:
Net income (loss)	$ 236,183	$ (4,518)
Income attributable to options exercises by promissory notes	(700)	0
Income attributable to common stock subject to share repurchase agreements	(698)	0
Income attributable to unvested early exercised options	(1)	0
Net income (loss) attributable to Class A and Class B common stockholders—Diluted	$ 234,784	$ (4,518)
Denominator:
Weighted-average shares used in computing net income (loss) per share—Basic (in shares)	335,794,739	373,160,029
Weighted-average dilutive stock awards (in shares)	12,801,556	0
Weighted-average shares used in computing net income (loss) per share—Diluted (in shares)	348,596,295	373,160,029
Net income (loss) per share attributable to AppLovin common stockholders—Diluted (in dollars per share)	$ 0.67	$ (0.01)