Amount billed for transition services.

No definition available.

Name:	ecl_BillingAmountTransitionServices
Namespace Prefix:	ecl_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents the sales to discontinued operation post-separation.

+ References

No definition available.

+ Details

Name:	ecl_RevenuesPostSeparation
Namespace Prefix:	ecl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the period of time post-separation that the entity may transfer or receive certain products to or from the discontinued operation.

+ References

No definition available.

+ Details

Name:	ecl_TermOfAgreementToTransferOrReceiveCertainProductsWithDiscontinuedOperation
Namespace Prefix:	ecl_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the term of the post-separation agreement, which includes a separation and distribution agreement, intellectual property matters agreement, employee matters agreement, transition services agreement and a tax matters agreement.

+ References

No definition available.

+ Details

Name:	ecl_TermOfPostSeparationAgreement
Namespace Prefix:	ecl_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 9
-URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4531-111522

+ Details

Name:	us-gaap_AccountsReceivableNetCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

Name:	us-gaap_DisposalGroupIncludingDiscontinuedOperationClassifiedBalanceSheetDisclosuresAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=ecl_ChampionxBusinessMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsDisposedOfBySaleMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

DISCONTINUED OPERATIONS - Summary of Assets and Liabilities of Discontinued Operations (Details) - USD ($) $ in Millions		12 Months Ended
	Jun. 03, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disposal Group, Including Discontinued Operation, Classified Balance Sheet Disclosures [Abstract]
Accounts receivable, net		$ 2,698.1	$ 2,478.4
ChampionX \| Discontinued Operations, Disposed of By Sale
Disposal Group, Including Discontinued Operation, Classified Balance Sheet Disclosures [Abstract]
Term of post-separation agreement	18 months
Amount billed for transition services			12.5	$ 14.3
Period of time post-separation that the entity may transfer or receive certain products	36 months
Post-separation sales		124.0	$ 139.4	$ 99.7
Accounts receivable, net		$ 12.9