v3.26.1
Cover
Sep. 02, 2026
Document Type 8-K
Amendment Flag false
Document Period End Date Sep. 02, 2026
Entity File Number 001-42927
Entity Registrant Name VIKING ACQUISITION CORP. I
Entity Central Index Key 0002080023
Entity Tax Identification Number 86-1872510
Entity Incorporation, State or Country Code E9
Entity Address, Address Line One 900 Third Avenue
Entity Address, Address Line Two 18th Floor
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10022
City Area Code 917
Local Phone Number 423-7931
Written Communications true
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, $0.0001 par value, and one-third of one redeemable warrant   
Title of 12(b) Security Units, each consisting of one Class A ordinary share, $0.0001 par value, and one-third of one redeemable warrant 
Trading Symbol VACI.U
Security Exchange Name NYSE
Class A ordinary shares, par value $0.0001 par value   
Title of 12(b) Security Class A ordinary shares, par value $0.0001 par value 
Trading Symbol VACI
Security Exchange Name NYSE
Redeemable warrants, each full warrant exercisable for one Class A ordinary share at an exercise price of $11.50   
Title of 12(b) Security Redeemable warrants, each full warrant exercisable for one Class A ordinary share at an exercise price of $11.50 
Trading Symbol VACI.WT
Security Exchange Name NYSE