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Debt Instrument, Covenant, Proceeds From Divestiture Of Interest In Consolidated Subsidiaries, Amount Allocated To Reinvestment In The Business

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Debt Instrument, Covenant, Total Net Leverage Ratio

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Debt Instrument, Covenant, Total Net Leverage Ratio, Material Acquisition

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Debt Instrument, Covenant, Total Net Leverage Ratio, Material Acquisition, Number Of Fiscal Quarters

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Debt Instrument, Covenant, Total Net Leverage Ratio, Material Acquisition, Number Of Fiscal Quarters, No Greater Than The Maximum Total Net Leverage Ratio

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- Definition

Debt Instrument, Discount Percentage

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Debt Instrument, Early Redemption Premium, Percent Of Outstanding Principal Amount

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Debt Instrument, LIBOR Floor

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The percentage used to calculate the quarterly repayments based on the original principal amount.

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Equity Securities, FV-NI, Ownership Percentage

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Line of Credit Facility, Covenant, Quarterly Minimum Liquidity

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Line Of Credit Facility, Reduction In Borrowing Capacity

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Proceeds From Equity Securities, FV-NI, Distribution, Return Of Capital

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Amount, after accumulated amortization, of debt discount.

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Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Amount of increase (decrease) of the credit facility.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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

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The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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DEBT - Narrative (Details) € in Millions								1 Months Ended	3 Months Ended
DEBT - Narrative (Details) € in Millions	Sep. 30, 2021 USD ($) fiscalQuarter	Jun. 16, 2021 EUR (€)	Apr. 21, 2021 USD ($)	Nov. 30, 2020 USD ($)	Jun. 27, 2019 USD ($)	Jun. 26, 2019	Apr. 05, 2018 USD ($)	Dec. 31, 2020 USD ($)	Sep. 30, 2021 USD ($) fiscalQuarter	Sep. 30, 2020 USD ($)	Jun. 30, 2021 USD ($)	Apr. 29, 2020 USD ($)	Apr. 05, 2018 EUR (€)
Debt Instrument [Line Items]
Short-term debt	$ 0								$ 0		$ 0
Debt discount	11,100,000								11,100,000		4,600,000
Repayments of long-term lines of credit									365,500,000	$ 554,200,000
Wella Business
Debt Instrument [Line Items]
Equity securities, FV-NI, ownership percentage				40.00%
Wella Business \| KKR
Debt Instrument [Line Items]
Ownership percentage				60.00%
Discontinued Operations, Held-for-sale or Disposed of by Sale \| Wella Business
Debt Instrument [Line Items]
Cash proceeds from divestiture				$ 2,451,700,000
Return of capital from equity investments				448,000,000.0
Bank Guarantee
Debt Instrument [Line Items]
Undrawn letters of credit and bank guarantees	21,600,000								21,600,000		31,200,000
Letter of Credit
Debt Instrument [Line Items]
Undrawn letters of credit and bank guarantees	14,300,000								14,300,000		$ 15,000,000.0
Incurrence Incremental Facilities
Debt Instrument [Line Items]
Net leverage ratio					5.0	5.25
2018 Coty Revolving Credit Facility
Debt Instrument [Line Items]
Reduction of borrowing capacity	700,000,000.0
Write off of deferred debt issuance cost	600,000
2021 Coty Revolving Credit Facility due April 2025
Debt Instrument [Line Items]
Aggregate principal amount	700,000,000.0								700,000,000.0
Debt discount	7,000,000.0								7,000,000.0
Deferred financing costs	$ 100,000								$ 100,000
Coty Term Loan B Facility due October 2022
Debt Instrument [Line Items]
LIBOR floor	0.00%								0.00%
Coty Term Loan B Facility due October 2022 \| LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate, percentage									2.25%
Coty Term Loan B Facility due October 2022 \| Alternative Base Rate
Debt Instrument [Line Items]
Basis spread on variable rate, percentage									1.25%
Coty Term Loan B Facility due October 2022 \| Euro Interbank Offered Rate (Euribor)
Debt Instrument [Line Items]
Basis spread on variable rate, percentage									2.50%
2018 Coty Term A and Term B Facilities
Debt Instrument [Line Items]
Repayments of long-term lines of credit								$ 2,015,500,000
2018 Coty Term A Facility
Debt Instrument [Line Items]
Aggregate principal amount \| €													€ 2,035.0
Repayments of long-term lines of credit								1,135,700,000
2018 Coty Term B Facility
Debt Instrument [Line Items]
Aggregate principal amount \| €													€ 850.0
Repayments of long-term lines of credit								$ 879,800,000
Senior Unsecured Notes
Debt Instrument [Line Items]
Redemption price, percentage							101.00%
Senior Unsecured Notes \| 2026 Euro Senior Secured Notes due April 2026
Debt Instrument [Line Items]
Amount of term loan facility \| €		€ 700.0
Interest rate, stated percentage		3.875%
Proceeds from issuance of senior long-term debt \| €		€ 700.0
Debt Instrument, early redemption premium, percent of outstanding principal amount		1.00%
Debt instrument, base redemption price, percentage		100.00%
Senior Unsecured Notes \| 2026 Euro Senior Secured Notes due April 2026 \| US Treasury (UST) Interest Rate
Debt Instrument [Line Items]
Basis spread on variable rate, percentage		0.50%
Senior Unsecured Notes \| 2026 Dollar Senior Secured Notes due April 2026
Debt Instrument [Line Items]
Amount of term loan facility			$ 900,000,000.0
Interest rate, stated percentage			5.00%
Proceeds from issuance of senior long-term debt			$ 900,000,000.0
Debt Instrument, early redemption premium, percent of outstanding principal amount			1.00%
Debt instrument, base redemption price, percentage			100.00%
Senior Unsecured Notes \| 2026 Dollar Senior Secured Notes due April 2026 \| Bund Rate
Debt Instrument [Line Items]
Basis spread on variable rate, percentage			0.50%
Senior Unsecured Notes \| 2026 Dollar Notes
Debt Instrument [Line Items]
Amount of term loan facility							$ 550,000,000.0
Interest rate, stated percentage							6.50%						6.50%
Senior Unsecured Notes \| 2026 Euro Notes
Debt Instrument [Line Items]
Amount of term loan facility \| €													€ 250.0
Interest rate, stated percentage							4.75%						4.75%
Line of Credit
Debt Instrument [Line Items]
Aggregate principal amount					$ 2,750,000,000
Decrease in total commitments					$ 500,000,000.0
Quarterly minimum liquidity covenant				500,000,000.0								$ 350,000,000.0
Total net leverage ratio, material acquisition, number of fiscal quarters \| fiscalQuarter	4								4
Total net leverage ratio, after material acquisition \| fiscalQuarter	2								2
Line of Credit \| Maximum
Debt Instrument [Line Items]
Applicable leverage ratio following the closing of any material acquisition									5.95
Line of Credit \| Minimum
Debt Instrument [Line Items]
Applicable leverage ratio following the closing of any material acquisition									1.00
Line of Credit \| 2018 Coty Revolving Credit Facility \| Revolving Credit Facility
Debt Instrument [Line Items]
Aggregate principal amount							$ 3,250,000,000
Line of Credit \| 2018 Coty Revolving Credit Facility \| Letter of Credit
Debt Instrument [Line Items]
Aggregate principal amount							150,000,000.0
Line of Credit \| 2018 Coty Revolving Credit Facility \| Swingline loans
Debt Instrument [Line Items]
Aggregate principal amount							150,000,000.0
Line of Credit \| 2018 Coty Revolving Credit Facility \| Incurrence Incremental Facilities
Debt Instrument [Line Items]
Aggregate principal amount							$ 1,700,000,000
Net leverage ratio							3.00
Line of Credit \| 2018 Coty Credit Agreement
Debt Instrument [Line Items]
Proceeds from divestiture, amount allocated to reinvestment in the business				$ 500,000,000.0
Line of Credit \| 2018 Coty Term A Facility
Debt Instrument [Line Items]
Aggregate principal amount							$ 1,000,000,000
Quarterly repayment percentage	1.25%								1.25%
Line of Credit \| 2018 Coty Term B Facility
Debt Instrument [Line Items]
Aggregate principal amount							$ 1,400,000,000
Discount percentage							0.25%						0.25%
Quarterly repayment percentage	0.25%								0.25%
Line of Credit \| 2023 Euro Notes
Debt Instrument [Line Items]
Amount of term loan facility \| €													€ 550.0
Interest rate, stated percentage							4.00%						4.00%