XML 16 R1.htm IDEA: XBRL DOCUMENT v3.22.4
Document and Entity Information - USD ($)
 12 Months Ended
Dec. 31, 2022
Jan. 31, 2023
Jun. 30, 2022
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2022    
Document Transition Report false    
Entity File Number 1-9328    
Entity Registrant Name ECOLAB INC.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 41-0231510    
Entity Address, Address Line One 1 Ecolab Place    
Entity Address, City or Town St. Paul    
Entity Address, State or Province MN    
Entity Address, Postal Zip Code 55102    
City Area Code 800    
Local Phone Number 232-6522    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 43,775,885,223
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   284,462,087  
Entity Central Index Key 0000031462    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2022    
Document Fiscal Period Focus FY    
Amendment Flag false    
Auditor Name PricewaterhouseCoopers LLP    
Auditor Firm ID 238    
Auditor Location Minneapolis, Minnesota    
COMMON STOCK      
Title of 12(b) Security Common Stock, $1.00 par value    
Trading Symbol ECL    
Security Exchange Name NYSE    
2.625% Euro Notes due 2025      
Title of 12(b) Security 2.625% Euro Notes due 2025    
Trading Symbol ECL 25    
Security Exchange Name NYSE    
1.000% Euro Notes due 2024      
Title of 12(b) Security 1.000% Euro Notes due 2024    
Trading Symbol ECL 24    
Security Exchange Name NYSE