Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2022	Aug. 12, 2022
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Jun. 30, 2022
Document Fiscal Year Focus	2022
Entity File Number	001-40845
Entity Registrant Name	Parabellum Acquisition Corp.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	86-2219674
Entity Address, Address Line One	3811 Turtle Creek Blvd.,
Entity Address, Address Line Two	Suite 2125
Entity Address, City or Town	Dallas
Entity Address State Or Province	TX
Entity Address, Postal Zip Code	75219
City Area Code	972
Local Phone Number	591-8349
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Shell Company	true
Entity Central Index Key	0001848165
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	Q2
Amendment Flag	false
Units, each consisting of one share of Class A common stock and three-quarters of one redeemable warrant
Document Information [Line Items]
Title of 12(b) Security	Units, each consisting of one share of Class A common stock, $0.0001 par value, and three-quarters of one redeemable warrant
Trading Symbol	PRBM.U
Security Exchange Name	NYSE
Class A Common Stock
Document Information [Line Items]
Title of 12(b) Security	Class A common stock, par value $0.0001 per share
Trading Symbol	PRBM
Security Exchange Name	NYSE
Entity Common Stock, Shares Outstanding		14,375,000
Class B Common Stock
Document Information [Line Items]
Entity Common Stock, Shares Outstanding		3,593,750
Redeemable warrants, each full warrant exercisable for one share of Class A common stock at an exercise price of $11.50 per share
Document Information [Line Items]
Title of 12(b) Security	Redeemable warrants, each full warrant exercisable for one share of Class A common stock at an exercise price of $11.50 per share
Trading Symbol	PRBM.WS
Security Exchange Name	NYSE