|**GOODWILL, TRADEMARKS AND OTHER INTANGIBLE ASSETS (Tables)**   | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|--------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|**GOODWILL, TRADEMARKS AND OTHER INTANGIBLE ASSETS [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|Schedule of Goodwill                                            | The changes in the carrying amount of goodwill by reportable segment for the fiscal years endedJune 30, 2019and2018were as follows:GoodwillCleaningHouseholdLifestyleInternationalTotalBalance as of June 30, 2017$323$207$244$422$1,196Acquisition—102309—411Effect of foreign currency translation———(5)(5)Balance as of June 30, 2018$323$309$553$417$1,602Acquisition——1—1Effect of foreign currency translation———(12)(12)Balance as of June 30, 2019$323$309$554$405$1,591
|                                                               
|                                                                |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|                                                                | Goodwill                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
|                                                                | Cleaning                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
|Balance as of June 30, 2017                                     | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|Acquisition                                                     | —                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|Effect of foreign currency translation                          | —                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|Balance as of June 30, 2018                                     | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|Acquisition                                                     | —                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|Effect of foreign currency translation                          | —                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|Balance as of June 30, 2019                                     | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|Schedule of Intangible Assets                                   | The changes in the carrying amount of trademarks and other intangible assets for the fiscal years ended June 30 were as follows:As of June 30, 2019As of June 30, 2018GrosscarryingamountAccumulatedamortizationNet carryingamountGrosscarryingamountAccumulatedamortizationNet carryingamountTrademarks with indefinite lives$777$—$777$778$—$778Trademarks with finite lives402614412417Other intangible assets430309121430296134Total$1,247$335$912$1,249$320$929            
|                                                               
|                                                                |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|                                                                | As of June 30, 2019                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|                                                                | Grosscarryingamount                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|Trademarks with indefinite lives                                | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|Trademarks with finite lives                                    | 40                                                                                                                                                                                                                                                                                                                                                                                                                                                                              
|Other intangible assets                                         | 430                                                                                                                                                                                                                                                                                                                                                                                                                                                                             
|Total                                                           | $                                                                                                                                                                                                                                                                                                                                                                                                                                                                               

X- DefinitionGoodwill, Trademarks And Other Intangible Assets [Abstract]
+ ReferencesNo definition available.
+ Details**Name:**
clx_GoodwillTrademarksAndOtherIntangibleAssetsAbstract**Namespace Prefix:**
clx_**Data Type:**
xbrli:stringItemType**Balance Type:**
na**Period Type:**
duration X- DefinitionTabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.
+ ReferencesReference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13854-109267
+ Details**Name:**
us-gaap_ScheduleOfGoodwillTextBlock**Namespace Prefix:**
us-gaap_**Data Type:**
nonnum:textBlockItemType**Balance Type:**
na**Period Type:**
duration X- DefinitionTabular disclosure of goodwill and intangible assets, which may be broken down by segment or major class.
+ ReferencesReference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267
+ Details**Name:**
us-gaap_ScheduleOfIntangibleAssetsAndGoodwillTableTextBlock**Namespace Prefix:**
us-gaap_**Data Type:**
nonnum:textBlockItemType**Balance Type:**
na**Period Type:**
duration