XML 45 R1.htm IDEA: XBRL DOCUMENT v3.20.1
DOCUMENT AND ENTITY INFORMATION - USD ($)
 12 Months Ended
May 31, 2020
Jun. 16, 2020
Nov. 29, 2019
Document Information [Line Items]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date May 31, 2020    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2020    
Entity Registrant Name Oracle Corporation    
Entity Central Index Key 0001341439    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Current Fiscal Year End Date --05-31    
Entity Filer Category Large Accelerated Filer    
Entity Well-known Seasoned Issuer Yes    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding (in shares)   3,068,682,000  
Entity Public Float (in dollars)     $ 107,880,125,000
Entity File Number 001-35992    
Entity Tax Identification Number 54-2185193    
Entity Address, Address Line One 500 Oracle Parkway    
Entity Address, City or Town Redwood City    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 94065    
City Area Code 650    
Local Phone Number 506-7000    
Entity Interactive Data Current Yes    
Entity Incorporation, State or Country Code DE    
Document Annual Report true    
Document Transition Report false    
Documents Incorporated by Reference

Portions of the registrant's definitive proxy statement relating to its 2020 annual stockholders' meeting are incorporated by reference into Part III of this Annual Report on Form 10-K where indicated.

    
Common Stock [Member]      
Document Information [Line Items]      
Title of 12(b) Security Common Stock, par value $0.01 per share    
Trading Symbol ORCL    
Security Exchange Name NYSE    
2.25% senior notes due January 2021 [Member]      
Document Information [Line Items]      
Title of 12(b) Security 2.25% senior notes due January 2021    
Security Exchange Name NYSE    
No Trading Symbol Flag true    
3.125% senior notes due July 2025 [Member]      
Document Information [Line Items]      
Title of 12(b) Security 3.125% senior notes due July 2025    
Security Exchange Name NYSE    
No Trading Symbol Flag true