OTHER LIABILITIES (Narrative) (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
Dec. 31, 2012	Jun. 30, 2019	Jun. 30, 2018
Class of Warrant or Right [Line Items]
Option to extend agreement		7 years
Terminal obligation		$ 619
Venture agreement terminal obligation, net		370	$ 341
Sale leaseback transaction, net proceeds, investing activities	$ 108
Lease term	15 years
Deferred gain on sale-lease back, noncurrent portion		$ 22	$ 29
Glad Business [Member]
Class of Warrant or Right [Line Items]
Percentage of ownership by venture partner		20.00%	20.00%

The percentage of ownership interest by the venture partner.

No definition available.

Name:	clx_PercentageofOwnershipbyVenturePartner
Namespace Prefix:	clx_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The term of the lease related to the assets being leased-back in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller.

+ References

No definition available.

+ Details

Name:	clx_SaleLeasebackTransactionLeaseTerm
Namespace Prefix:	clx_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The noncurrent portion of the deferred gain recorded in connection with the sale-leaseback transaction.

+ References

No definition available.

+ Details

Name:	clx_SaleLeasebackTransactionNoncurrentPortionOfDeferredGain
Namespace Prefix:	clx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Venture Agreement. Terminal Obligation

+ References

No definition available.

+ Details

Name:	clx_VentureAgreement.TerminalObligation
Namespace Prefix:	clx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Venture Agreement, Option to Extend Agreement Term Period

+ References

No definition available.

+ Details

Name:	clx_VentureAgreementOptiontoExtendAgreementTermPeriod
Namespace Prefix:	clx_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration

- Definition

Venture Agreement, Terminal Obligation, Net

+ References

No definition available.

+ Details

Name:	clx_VentureAgreementTerminalObligationNet
Namespace Prefix:	clx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

- Definition

Amount of cash inflow after closing and debt issuance costs received by a seller-lessee in a sale-leaseback recognized in investing activities.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 40
-Section 55
-Paragraph 51
-URI http://asc.fasb.org/extlink&oid=82846721&loc=d3e51840-112757

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 40
-Section 55
-Paragraph 50
-URI http://asc.fasb.org/extlink&oid=82846721&loc=d3e51831-112757

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 40
-Section 55
-Paragraph 52
-URI http://asc.fasb.org/extlink&oid=82846721&loc=d3e51843-112757

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

Name:	srt_CounterpartyNameAxis=clx_GladBusinessMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: