v3.25.1
Document and Entity Information Document
Jun. 12, 2025
Entity Information [Line Items]  
Document Type 8-K
Document Period End Date Jun. 12, 2025
Entity Registrant Name Valaris Limited
Entity Incorporation, State or Country Code D0
Entity File Number 001-08097
Entity Tax Identification Number 98-1589854
Entity Address, Address Line One Clarendon House, 2 Church Street
Entity Address, City or Town Hamilton
Entity Address, State or Province BM
Entity Address, Postal Zip Code HM 11
City Area Code 44 (0)
Local Phone Number 20 7659 4660
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Amendment Flag false
Entity Central Index Key 0000314808
Common Class A  
Entity Information [Line Items]  
Title of 12(b) Security Common Shares
Trading Symbol VAL
Security Exchange Name NYSE
Warrant  
Entity Information [Line Items]  
Title of 12(b) Security Warrants to purchase Common Shares
Trading Symbol VAL WS
Security Exchange Name NYSE