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Investment in Unity China - Narrative (Details)	Mar. 31, 2025
Third Party Investors | Unity China
Noncontrolling Interest [Line Items]
Noncontrolling interest, percentage sold	20.50%

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- Definition

Noncontrolling Interest, Ownership Percentage Sold

+ References

No definition available.

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Balance Type:	na
Period Type:	instant

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Period Type:	duration

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- Details

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Namespace Prefix:
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Period Type:

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- Details

Name:	srt_OwnershipAxis=unity_UnityChinaMember
Namespace Prefix:
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Balance Type:
Period Type: