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Fair Value Measurements - Narrative (Details) - USD ($)	Mar. 31, 2026	Sep. 27, 2025
Fair Value Disclosures [Abstract]
Warrant liability	$ 0	$ 0

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- Definition

Warrant liability

+ References

No definition available.

+ Details

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Namespace Prefix:	fubo_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
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