| **OTHER LIABILITIES (Schedule of Other Liabilities) (Details) - USD ($) $ in Millions** | Jun. 30, 2020 | Jun. 30, 2019 |
|-----------------------------------------------------------------------------------------|---------------|---------------|
| **Other Liabilities Disclosure [Abstract]**                                             |          |          |
| Venture Agreement terminal obligation, net                                              | $ 400         | $ 370         |
| Employee benefit obligations                                                            | 294           | 280           |
| Taxes                                                                                   | 23            | 34            |
| Other                                                                                   | 50            | 96            |
| Total                                                                                   | $ 767         | $ 780         |

| X                                                                                                                                                                                                                                                                                                                                                                                                                       |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The sum of the carrying amounts as of the balance sheet date of the portions of obligations to employees under pension, postretirement, and health benefit plans that are due beyond one year.
+ References
No definition available.
+ Details**Name:**clx_EmployeeBenefitObligationsNoncurrent**Namespace Prefix:**clx_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**instant |
| X                                                                                                                                                                                                                      |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Other Obligations
+ References
No definition available.
+ Details**Name:**clx_OtherObligations**Namespace Prefix:**clx_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**instant |
| X                                                                                                                                                                                                                                                                     |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - 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 |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount recognized for uncertainty in income taxes classified as noncurrent.
+ References
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682
+ Details**Name:**us-gaap_LiabilityForUncertainTaxPositionsNoncurrent**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**instant |
| X                                                                                                                                                                                                            |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - References
No definition available.
+ Details**Name:**us-gaap_OtherLiabilitiesDisclosureAbstract**Namespace Prefix:**us-gaap_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer.
+ References
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682
+ Details**Name:**us-gaap_OtherLiabilitiesNoncurrent**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**instant |