DEBT - Schedule of Long Term Debt Facilities (Details)	12 Months Ended
	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 EUR (€)	Jun. 16, 2021 EUR (€)	Apr. 21, 2021 USD ($)	Jun. 30, 2020 EUR (€)	Apr. 05, 2018 USD ($)	Apr. 05, 2018 EUR (€)
Senior Notes | 2026 Dollar Senior Secured Notes due April 2026
Line of Credit Facility [Line Items]
Borrowing capacity | $					$ 900,000,000.0
Stated interest rate					5.00%
Senior Notes | 2026 Euro Senior Secured Notes due April 2026
Line of Credit Facility [Line Items]
Borrowing capacity				€ 700,000,000
Stated interest rate				3.875%
Senior Notes | 2026 Dollar Notes
Line of Credit Facility [Line Items]
Borrowing capacity | $							$ 550,000,000.0
Stated interest rate							6.50%	6.50%
Senior Notes | 2023 Euro Notes
Line of Credit Facility [Line Items]
Borrowing capacity								€ 550,000,000
Stated interest rate							4.00%	4.00%
Senior Notes | 2026 Euro Notes
Line of Credit Facility [Line Items]
Borrowing capacity								€ 250,000,000
Stated interest rate							4.75%	4.75%
Senior Notes | Term Loan | 2026 Dollar Senior Secured Notes due April 2026
Line of Credit Facility [Line Items]
Borrowing capacity | $	$ 900,000,000.0
Stated interest rate	5.00%		5.00%
Applicable interest rate spread	5.00%		5.00%
Senior Notes | Term Loan | 2026 Euro Senior Secured Notes due April 2026
Line of Credit Facility [Line Items]
Borrowing capacity			€ 700,000,000.0
Stated interest rate	3.875%		3.875%
Applicable interest rate spread	3.875%		3.875%
Senior Notes | Term Loan | 2026 Dollar Notes | U.S. Dollar
Line of Credit Facility [Line Items]
Borrowing capacity | $	$ 550,000,000.0
Stated interest rate	6.50%		6.50%
Senior Notes | Term Loan | 2023 Euro Notes | Euro
Line of Credit Facility [Line Items]
Borrowing capacity			€ 550,000,000.0
Stated interest rate	4.00%		4.00%
Senior Notes | Term Loan | 2026 Euro Notes | Euro
Line of Credit Facility [Line Items]
Borrowing capacity			€ 250,000,000.0
Stated interest rate	4.75%		4.75%
Line of Credit | Revolving credit facility
Line of Credit Facility [Line Items]
Repayment percentage	1.25%
Line of Credit | Revolving credit facility | LIBOR | Minimum
Line of Credit Facility [Line Items]
Margin percentage	1.00%
Line of Credit | Revolving credit facility | LIBOR | Maximum
Line of Credit Facility [Line Items]
Margin percentage	2.00%
Line of Credit | Revolving credit facility | Base Rate | Minimum
Line of Credit Facility [Line Items]
Margin percentage	0.00%
Line of Credit | Revolving credit facility | Base Rate | Maximum
Line of Credit Facility [Line Items]
Margin percentage	1.00%
Line of Credit | Revolving credit facility | 2018 Coty Revolving Credit Facility due April 2023
Line of Credit Facility [Line Items]
Borrowing capacity | $	$ 2,750,000,000
Applicable interest rate spread	1.75%		1.75%
Line of Credit | Revolving credit facility | Coty Credit Agreement
Line of Credit Facility [Line Items]
Unused commitment fee percentage	0.30%	0.30%
Line of Credit | Revolving credit facility | Coty Credit Agreement | Minimum
Line of Credit Facility [Line Items]
Unused commitment fee percentage	0.10%
Line of Credit | Revolving credit facility | Coty Credit Agreement | Maximum
Line of Credit Facility [Line Items]
Unused commitment fee percentage	0.35%
Line of Credit | Term Loan | Euro
Line of Credit Facility [Line Items]
Repayment percentage	0.25%
Line of Credit | Term Loan | Term Loan A Facility, Due April 2023 | U.S. Dollar
Line of Credit Facility [Line Items]
Borrowing capacity | $	$ 0	$ 1,000,000,000
Applicable interest rate spread	1.75%		1.75%
Line of Credit | Term Loan | Term Loan A Facility, Due April 2023 | Euro
Line of Credit Facility [Line Items]
Borrowing capacity			€ 95,700,000			€ 2,035,000,000
Applicable interest rate spread	1.75%		1.75%
Line of Credit | Term Loan | Term Loan B Facility, Due April 2025 | U.S. Dollar
Line of Credit Facility [Line Items]
Borrowing capacity | $	$ 849,000,000.0	$ 1,400,000,000
Applicable interest rate spread	2.25%		2.25%
Debt Discount	0.25%		0.25%
Line of Credit | Term Loan | Term Loan B Facility, Due April 2025 | Euro
Line of Credit Facility [Line Items]
Borrowing capacity			€ 514,800,000			€ 850,000,000.0
Applicable interest rate spread	2.50%		2.50%
Debt Discount	0.25%		0.25%
Line of Credit | Term Loan | Term Loan B Facility, Due April 2025 | LIBOR | U.S. Dollar
Line of Credit Facility [Line Items]
Margin percentage	2.25%
Line of Credit | Term Loan | Term Loan B Facility, Due April 2025 | LIBOR | Euro
Line of Credit Facility [Line Items]
Margin percentage	2.50%
Line of Credit | Term Loan | Term Loan B Facility, Due April 2025 | Base Rate | U.S. Dollar
Line of Credit Facility [Line Items]
Margin percentage	1.25%