CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Income Statement [Abstract]
Revenue	$ 446,517	$ 544,210	$ 1,356,156	$ 1,578,049
Cost of revenue	112,054	151,349	365,316	472,140
Gross profit	334,463	392,861	990,840	1,105,909
Operating expenses
Research and development	215,197	240,003	706,860	788,438
Sales and marketing	176,423	194,000	576,902	619,258
General and administrative	69,989	86,256	338,573	272,047
Total operating expenses	461,609	520,259	1,622,335	1,679,743
Loss from operations	(127,146)	(127,398)	(631,495)	(573,834)
Interest expense	(5,839)	(6,154)	(17,703)	(18,425)
Interest income and other income (expense), net	15,350	16,013	102,450	38,689
Loss before income taxes	(117,635)	(117,539)	(546,748)	(553,570)
Provision for (benefit from) Income taxes	6,913	7,771	(4,984)	18,767
Net loss	(124,548)	(125,310)	(541,764)	(572,337)
Net income (loss) attributable to noncontrolling interest and redeemable noncontrolling interests	191	(1,239)	(377)	(3,075)
Net loss attributable to Unity Software Inc.	$ (124,739)	$ (124,071)	$ (541,387)	$ (569,262)
Basic net loss per share attributable to Unity Software Inc. (USD per share)	$ (0.31)	$ (0.32)	$ (1.38)	$ (1.49)
Diluted net loss per share attributable to Unity Software Inc. (USD per share)	$ (0.31)	$ (0.32)	$ (1.38)	$ (1.49)
Weighted-average shares used in computation of basic net loss per share (in shares)	398,810	383,674	392,855	382,939
Weighted-average shares used in computation of diluted net loss per share (in shares)	398,810	383,674	392,855	382,939