v3.26.1
Cover page
3 Months Ended
Mar. 31, 2026
Document Information [Line Items]  
Document Type F-4
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 Emerging Growth Company true
Entity Ex Transition Period false
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 (631)
Local Phone Number 353-2402
Amendment Flag false
Business Contact  
Document Information [Line Items]  
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
Contact Personnel Name Håkan Wohlin