Remaining percentage of noncontrolling interest able to be purchased upon exercise of the call right.

No definition available.

Name:	coty_NoncontrollingInterestCalltoPurchaseNoncontrollingInterestRemainingPercentage
Namespace Prefix:	coty_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Redeemable Noncontrolling Interest, Amount Derecognized

+ References

No definition available.

+ Details

Name:	coty_RedeemableNoncontrollingInterestAmountDerecognized
Namespace Prefix:	coty_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByNoncontrollingOwners
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section S99
-Paragraph 3A
-Subparagraph (16)(c)
-URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section S99
-Paragraph 3A
-Subparagraph 15
-URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section S99
-Paragraph 3A
-Subparagraph (12)(c)
-URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section S99
-Paragraph 3A
-Subparagraph 14
-URI http://asc.fasb.org/extlink&oid=65877616&loc=SL6540498-122764

+ Details

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

- Details

Name:	srt_OwnershipAxis=coty_FoundationLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=coty_YouniqueLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=coty_CotyIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=coty_MiddleEastSubsidiaryMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

REDEEMABLE NONCONTROLLING INTERESTS - Narrative (Details) - USD ($) $ in Millions	Sep. 16, 2019	Dec. 31, 2028	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Redeemable Noncontrolling Interest [Line Items]
Redeemable noncontrolling interest balances			$ 79.1	$ 451.8	$ 661.3	$ 551.1
Foundation, LLC
Redeemable Noncontrolling Interest [Line Items]
Percentage of redeemable noncontrolling interest	40.70%
Redeemable noncontrolling interest, amount derecognized	$ 360.4
Younique, LLC
Redeemable Noncontrolling Interest [Line Items]
Percentage of redeemable noncontrolling interest	40.70%
Redeemable noncontrolling interest balances				365.3
Coty Inc.
Redeemable Noncontrolling Interest [Line Items]
Ownership percentage by parent	59.30%
Middle East Subsidiary
Redeemable Noncontrolling Interest [Line Items]
Percentage of redeemable noncontrolling interest			25.00%
Redeemable noncontrolling interest balances			$ 79.1	$ 86.5
Scenario, Forecast \| Middle East Subsidiary
Redeemable Noncontrolling Interest [Line Items]
Remaining call option percentage		25.00%