Annual report pursuant to Section 13 and 15(d)

DOCUMENT AND ENTITY INFORMATION Document

v3.20.4
DOCUMENT AND ENTITY INFORMATION Document - USD ($)
 12 Months Ended
Dec. 31, 2020
Feb. 22, 2021
Jun. 26, 2020
Class of Stock [Line Items]      
Local Phone Number 676-2121    
Entity Incorporation, State or Country Code DE    
Document Transition Report false    
Document Annual Report true    
Entity Registrant Name COCA COLA CO    
City Area Code (404)    
Entity Central Index Key 0000021344    
Current Fiscal Year End Date --12-31    
Entity Filer Category Large Accelerated Filer    
Document Type 10-K    
Document Period End Date Dec. 31, 2020    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY    
Amendment Flag false    
Entity Small Business false    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   4,309,311,676  
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Public Float     $ 185,656,336,397
Entity File Number 001-02217    
Entity Tax Identification Number 58-0628465    
Entity Address, Address Line One One Coca-Cola Plaza    
Entity Address, City or Town Atlanta,    
Entity Address, State or Province GA    
Entity Address, Postal Zip Code 30313    
Documents Incorporated by Reference [Text Block] Portions of the Company's Proxy Statement for the Annual Meeting of Shareowners to be held on April 20, 2021 are incorporated by reference in Part III.    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Common Stock, $0.25 Par Value [Member]      
Class of Stock [Line Items]      
Title of 12(b) Security Common Stock, $0.25 Par Value    
Trading Symbol KO    
Security Exchange Name NYSE    
Floating Rate Notes Due 2021 [Member]      
Class of Stock [Line Items]      
Title of 12(b) Security Floating Rate Notes Due 2021    
Trading Symbol KO21C    
Security Exchange Name NYSE    
0.75% Notes Due 2023 [Member]      
Class of Stock [Line Items]      
Title of 12(b) Security 0.75% Notes Due 2023    
Trading Symbol KO23B    
Security Exchange Name NYSE    
0.500% Notes Due 2024 [Member]      
Class of Stock [Line Items]      
Title of 12(b) Security 0.500% Notes Due 2024    
Trading Symbol KO24    
Security Exchange Name NYSE    
1.875% Notes Due 2026 [Member]      
Class of Stock [Line Items]      
Title of 12(b) Security 1.875% Notes Due 2026    
Trading Symbol KO26    
Security Exchange Name NYSE    
0.750% Notes Due 2026 [Member]      
Class of Stock [Line Items]      
Title of 12(b) Security 0.750% Notes Due 2026    
Trading Symbol KO26C    
Security Exchange Name NYSE    
1.125% Notes Due 2027 [Member]      
Class of Stock [Line Items]      
Title of 12(b) Security 1.125% Notes Due 2027    
Trading Symbol KO27    
Security Exchange Name NYSE    
0.125% Notes Due 2029      
Class of Stock [Line Items]      
Title of 12(b) Security 0.125% Notes Due 2029    
Trading Symbol KO29A    
Security Exchange Name NYSE    
1.250% Notes Due 2031 [Member]      
Class of Stock [Line Items]      
Title of 12(b) Security 1.250% Notes Due 2031    
Trading Symbol KO31    
Security Exchange Name NYSE    
0.375% Notes Due 2033      
Class of Stock [Line Items]      
Title of 12(b) Security 0.375% Notes Due 2033    
Trading Symbol KO33    
Security Exchange Name NYSE    
1.625% Notes Due 2035 [Member]      
Class of Stock [Line Items]      
Title of 12(b) Security 1.625% Notes Due 2035    
Trading Symbol KO35    
Security Exchange Name NYSE    
1.100% Notes Due 2036 [Member]      
Class of Stock [Line Items]      
Title of 12(b) Security 1.100% Notes Due 2036    
Trading Symbol KO36    
Security Exchange Name NYSE    
0.800% Notes Due 2040      
Class of Stock [Line Items]      
Title of 12(b) Security 0.800% Notes Due 2040    
Trading Symbol KO40B    
Security Exchange Name NYSE