XML 11 R1.htm IDEA: XBRL DOCUMENT v3.23.2
Cover Page - shares
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2023
Jul. 27, 2023
Document Information [Line Items]      
Document Type   10-Q  
Document Quarterly Report   true  
Document Period End Date   Jun. 30, 2023  
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   2023  
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 Common Shares, Shares Outstanding     73,987,672
Entity Bankruptcy Proceedings, Reporting Current true    
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