Unaudited Statements of Changes in Shareholders’ (Deficit) Equity (Parentheticals) - Class B Ordinary Shares	Dec. 31, 2025 shares
Over-Allotment Option
Number of shares to be forfeited (in Shares)	1,607,143
IPO
Number of shares to be forfeited (in Shares)

Number of shares to be forfeited if overallotment option is not exercised.

No definition available.

Name:	dbcau_NumberOfSharesToBeForfeitedIfOverallotmentOptionIsNotExercised
Namespace Prefix:	dbcau_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration