v3.25.2

Cover	Aug. 13, 2025
Document Type	8-K
Amendment Flag	false
Document Period End Date	Aug. 13, 2025
Entity File Number	001-42772
Entity Registrant Name	D. Boral ARC Acquisition I Corp.
Entity Central Index Key	0002065779
Entity Tax Identification Number	00-0000000
Entity Incorporation, State or Country Code	D8
Entity Address, Address Line One	10 East 53rd Street
Entity Address, Address Line Two	Suite 3001
Entity Address, City or Town	New York
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10022
City Area Code	(332)
Local Phone Number	266-7344
Written Communications	false
Soliciting Material	false
Pre-commencement Tender Offer	false
Pre-commencement Issuer Tender Offer	false
Entity Emerging Growth Company	true
Elected Not To Use the Extended Transition Period	false
Units, each consisting of one Class A ordinary share and one-half of one redeemable warrant
Title of 12(b) Security	Units, each consisting of one Class A ordinary share and one-half of one redeemable warrant
Trading Symbol	BCARU
Security Exchange Name	NASDAQ
Class A ordinary shares, par value $0.0001 per share
Title of 12(b) Security	Class A ordinary shares, par value $0.0001 per share
Trading Symbol	BCAR
Security Exchange Name	NASDAQ
Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share
Title of 12(b) Security	Warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share
Trading Symbol	BCARW
Security Exchange Name	NASDAQ

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D. Boral ARC Acquisition I Corp. 8-K