Statement of Changes in Shareholders’ Deficit (Parentheticals)	11 Months Ended
Dec. 31, 2024 shares
Statement of Stockholders' Equity [Abstract]
Sale of Private Placement Warrants	7,000,000

Represents the sale of private placement warrants.

No definition available.

Name:	alfuu_SaleOfPrivatePlacementWarrants
Namespace Prefix:	alfuu_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration