XML 39 R1.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Document And Entity Information - USD ($)
12 Months Ended
Dec. 31, 2019
Feb. 07, 2020
Jun. 30, 2019
Cover [Abstract]      
Entity Registrant Name CORE LABORATORIES N.V.    
Document Type 10-K    
Amendment Flag false    
Trading Symbol CLB    
Document Period End Date Dec. 31, 2019    
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Entity Central Index Key 0001000229    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Interactive Data Current Yes    
Current Fiscal Year End Date --12-31    
Entity Filer Category Large Accelerated Filer    
Entity Well-known Seasoned Issuer Yes    
Entity Public Float     $ 2,280,624,647
Entity Common Stock, Shares Outstanding   44,445,656  
Entity Shell Company false    
Entity Small Business false    
Entity Emerging Growth Company false    
Title of 12(b) Security Common Shares, EUR 0.02 Par Value Per Share    
Security Exchange Name NYSE    
Entity File Number 001-14273    
Entity Incorporation, State or Country Code P7    
Entity Tax Identification Number 00-0000000    
Entity Address, Address Line One Strawinskylaan 913    
Entity Address, Address Line Two Tower A, Level 9    
Entity Address, City or Town Amsterdam    
Entity Address, Country NL    
Entity Address, Postal Zip Code 1077 XX    
City Area Code 31-20    
Local Phone Number 420-3191    
Document Annual Report true    
Document Transition Report false    
Documents Incorporated by Reference The information required by Part III of this Report, to the extent not set forth herein, is incorporated herein by reference from the registrant's definitive proxy statement relating to the Annual Meeting of Shareholders to be held in 2020, which definitive proxy statement shall be filed with the Securities and Exchange Commission within 120 days after the end of the fiscal year to which this Report relates.