v3.25.3
Document and Entity Information Document
Oct. 22, 2025
Cover Page [Abstract]  
Document Type 8-K
Entity Registrant Name OCEANEERING INTERNATIONAL INC
Entity Incorporation, State or Country Code DE
Entity File Number 1-10945
Entity Tax Identification Number 95-2628227
Entity Address, Address Line One 5875 North Sam Houston Parkway West, Suite 400
Entity Address, City or Town Houston,
Entity Address, State or Province TX
Entity Address, Postal Zip Code 77086
City Area Code 713
Local Phone Number 329-4500
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common stock, par value $0.25 per share
Trading Symbol OII
Security Exchange Name NYSE
Entity Emerging Growth Company false
Amendment Flag false
Entity Central Index Key 0000073756
Document Period End Date Oct. 22, 2025