No definition available.

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Namespace Prefix:	ecl_
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Balance Type:	na
Period Type:	duration

- Definition

The number of countries in which the entity operates as of balance sheet date.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-18

+ Details

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Balance Type:	na
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- Definition

The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-13

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_BusinessAcquisitionAxis=ecl_PuroliteMember
Namespace Prefix:
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- Details

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NATURE OF BUSINESS (Details) $ in Millions		1 Months Ended	12 Months Ended
NATURE OF BUSINESS (Details) $ in Millions	Dec. 01, 2021 USD ($)	Dec. 31, 2021 USD ($) country	Dec. 31, 2023 segment country
NATURE OF BUSINESS
Number of reportable segments \| segment			3
Purolite
NATURE OF BUSINESS
Number of countries in which company delivers comprehensive programs and services		30
Consideration transferred \| $	$ 3,706	$ 3,700
Minimum
NATURE OF BUSINESS
Number of countries in which company delivers comprehensive programs and services			170