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v3.25.1

ACQUISITIONS (Details) - item | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
ACQUISITIONS |  |
Number of acquisitions | 0 | 0

X
- Definition Total number of acquisitions during the period. + References No definition available. + Details
Name: | ecl_NumberOfAcquisitions
Namespace Prefix: | ecl_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_BusinessCombinationsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration