Quarterly report pursuant to Section 13 or 15(d)

Cover Page

v3.19.3.a.u2
Cover Page - shares
 6 Months Ended
Dec. 31, 2019
Jan. 17, 2020
Cover page.    
Amendment Flag false  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q2  
Entity Central Index Key 0000319201  
Current Fiscal Year End Date --06-30  
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Dec. 31, 2019  
Document Transition Report false  
Entity File Number 000-09992  
Entity Registrant Name KLA CORPORATION  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 04-2564110  
Entity Address, Address Line One One Technology Drive,  
Entity Address, City or Town Milpitas,  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 95035  
City Area Code 408  
Local Phone Number 875-3000  
Title of 12(b) Security Common Stock, $0.001 par value per share  
Trading Symbol KLAC  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Shell Company false  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Common Stock, Shares Outstanding   156,772,198