XML 13 R1.htm IDEA: XBRL DOCUMENT v3.24.2.u1
Cover Page - shares
 6 Months Ended
Jun. 30, 2024
Jul. 25, 2024
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2024  
Document Transition Report false  
Entity File Number 1-8097  
Entity Registrant Name Valaris Limited  
Entity Incorporation, State or Country Code D0  
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) 20  
Local Phone Number 7659 4660  
Amendment Flag false  
Document Fiscal Year Focus 2024  
Document Fiscal Period Focus Q2  
Entity Central Index Key 0000314808  
Current Fiscal Year End Date --12-31  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Bankruptcy Proceedings, Reporting Current true  
Entity Common Shares, Shares Outstanding   72,750,708
Common Class A [Member]    
Document Information [Line Items]    
Title of 12(b) Security Common Shares, $0.01 par value share  
Trading Symbol VAL  
Security Exchange Name NYSE  
Warrants    
Document Information [Line Items]    
Title of 12(b) Security Warrants to purchase Common Shares  
Trading Symbol VAL WS  
Security Exchange Name NYSE