CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Revenue	$ 449,259	$ 533,478	$ 909,639	$ 1,033,839
Cost of revenue	108,875	158,827	253,262	320,791
Gross profit	340,384	374,651	656,377	713,048
Operating expenses
Research and development	208,935	267,955	491,663	548,435
Sales and marketing	169,854	209,131	400,479	425,258
General and administrative	91,015	89,017	268,584	185,791
Total operating expenses	469,804	566,103	1,160,726	1,159,484
Loss from operations	(129,420)	(191,452)	(504,349)	(446,436)
Interest expense	(5,829)	(6,142)	(11,864)	(12,271)
Interest income and other income (expense), net	10,457	9,061	87,100	22,676
Loss before income taxes	(124,792)	(188,533)	(429,113)	(436,031)
Provision for (benefit from) Income taxes	946	4,791	(11,897)	10,996
Net loss	(125,738)	(193,324)	(417,216)	(447,027)
Net loss attributable to noncontrolling interest and redeemable noncontrolling interests	(164)	(1,164)	(568)	(1,836)
Net loss attributable to Unity Software Inc.	$ (125,574)	$ (192,160)	$ (416,648)	$ (445,191)
Basic net loss per share attributable to Unity Software Inc. (USD per share)	$ (0.32)	$ (0.51)	$ (1.07)	$ (1.18)
Diluted net loss per share attributable to Unity Software Inc. (USD per share)	$ (0.32)	$ (0.51)	$ (1.07)	$ (1.18)
Weighted-average shares used in computation of basic net loss per share (in shares)	392,537	380,355	389,844	378,145
Weighted-average shares used in computation of diluted net loss per share (in shares)	392,537	380,355	389,844	378,145