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STATEMENT OF CHANGES IN SHAREHOLDERS' DEFICIT (Parenthetical)	10 Months Ended
	Sep. 30, 2025 shares
STATEMENT OF CHANGES IN SHAREHOLDERS' DEFICIT
Sale of Private Placement units	660,000

X

- Definition

Number of new units issued during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	rac_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration