DEBT - Schedule of Long Term Debt Facilities (Details)	12 Months Ended
	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 EUR (€)	Sep. 19, 2023	Jun. 30, 2023 EUR (€)	Nov. 30, 2021 USD ($)	Jun. 16, 2021 EUR (€)	Apr. 21, 2021 USD ($)	Apr. 05, 2018 USD ($)	Apr. 05, 2018 EUR (€)
Senior Notes
Line of Credit Facility [Line Items]
Stated interest rate				5.75%
Senior Notes | 2029 Dollar Senior Secured Notes due January 2029
Line of Credit Facility [Line Items]
Borrowing capacity						$ 500,000,000.0
Stated interest rate						4.75%
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 | €							€ 700,000,000.0
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 | 2026 Euro Notes
Line of Credit Facility [Line Items]
Borrowing capacity | €										€ 250,000,000.0
Stated interest rate									4.75%	4.75%
Senior Notes | Revolving credit facility | 2023 Coty Revolving Credit Facility due July 2028
Line of Credit Facility [Line Items]
Borrowing capacity	$ 1,670,000,000				€ 300,000,000.0
Applicable interest rate spread	1.50%	1.50%	1.50%		1.50%
Senior Notes | Revolving credit facility | 2021 Coty Revolving Credit Facility due April 2025
Line of Credit Facility [Line Items]
Borrowing capacity	$ 0	$ 0
Applicable interest rate spread	1.75%	1.75%	1.75%		1.75%
Senior Notes | Term Loan | 2027 Euro Senior Secured Notes due May 2027
Line of Credit Facility [Line Items]
Borrowing capacity	$ 500,000,000.0	$ 500,000,000.0
Stated interest rate	4.50%	4.50%	4.50%		4.50%
Applicable interest rate spread	4.50%	4.50%	4.50%		4.50%
Senior Notes | Term Loan | 2028 Euro Senior Secured Notes due September 2028
Line of Credit Facility [Line Items]
Borrowing capacity	$ 500,000,000.0	$ 500,000,000.0
Stated interest rate	5.75%	5.75%	5.75%		5.75%
Applicable interest rate spread	5.75%	5.75%	5.75%		5.75%
Senior Notes | Term Loan | 2030 Dollar Senior Secured Notes due July 2030
Line of Credit Facility [Line Items]
Borrowing capacity	$ 750,000,000.0	$ 750,000,000.0
Stated interest rate	6.625%	6.625%	6.625%		6.625%
Applicable interest rate spread	6.625%	6.625%	6.625%		6.625%
Senior Notes | Term Loan | 2029 Dollar Senior Secured Notes due January 2029
Line of Credit Facility [Line Items]
Borrowing capacity	$ 500,000,000.0	$ 500,000,000.0
Stated interest rate	4.75%	4.75%	4.75%		4.75%
Applicable interest rate spread	4.75%	4.75%	4.75%		4.75%
Senior Notes | Term Loan | Brazilian Credit Facilities - October 2023
Line of Credit Facility [Line Items]
Stated interest rate	3.48%	3.48%	3.48%		3.48%
Senior Notes | Term Loan | 2026 Dollar Senior Secured Notes due April 2026
Line of Credit Facility [Line Items]
Borrowing capacity	$ 650,000,000.0	$ 650,000,000.0
Stated interest rate	5.00%	5.00%	5.00%		5.00%
Applicable interest rate spread	5.00%	5.00%	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		€ 700,000,000.0
Stated interest rate	3.875%	3.875%	3.875%		3.875%
Applicable interest rate spread	3.875%	3.875%	3.875%		3.875%
Senior Notes | Term Loan | Term Loan B Facility, Due April 2025 | U.S. Dollar
Line of Credit Facility [Line Items]
Borrowing capacity | €			€ 0		€ 0
Senior Notes | Term Loan | Term Loan B Facility, Due April 2025 | Euro
Line of Credit Facility [Line Items]
Borrowing capacity | €			€ 0		€ 0
Senior Notes | Term Loan | 2026 Dollar Notes | U.S. Dollar
Line of Credit Facility [Line Items]
Borrowing capacity	$ 0	$ 0
Stated interest rate	6.50%	6.50%	6.50%		6.50%
Senior Notes | Term Loan | 2026 Euro Notes | Euro
Line of Credit Facility [Line Items]
Borrowing capacity | €			€ 180,300,000		€ 180,300,000
Stated interest rate	4.75%	4.75%	4.75%		4.75%
Line of Credit | Brazilian Credit Facilities - October 2023
Line of Credit Facility [Line Items]
Borrowing capacity	$ 0	$ 0
Applicable interest rate spread	3.48%	3.48%	3.48%		3.48%
Line of Credit | Revolving credit facility | 2023 Coty Revolving Credit Facility due July 2028 | SOFR | Minimum
Line of Credit Facility [Line Items]
Margin percentage	1.00%	1.00%
Line of Credit | Revolving credit facility | 2023 Coty Revolving Credit Facility due July 2028 | SOFR | Maximum
Line of Credit Facility [Line Items]
Margin percentage	2.00%	2.00%
Line of Credit | Revolving credit facility | 2023 Coty Revolving Credit Facility due July 2028 | Base Rate | Minimum
Line of Credit Facility [Line Items]
Margin percentage	0.00%	0.00%
Line of Credit | Revolving credit facility | 2023 Coty Revolving Credit Facility due July 2028 | Base Rate | Maximum
Line of Credit Facility [Line Items]
Margin percentage	1.00%	1.00%
Line of Credit | Revolving credit facility | 2021 Coty Revolving Credit Facility due April 2025 | SOFR | Minimum
Line of Credit Facility [Line Items]
Margin percentage	1.00%	1.00%
Line of Credit | Revolving credit facility | 2021 Coty Revolving Credit Facility due April 2025 | SOFR | Maximum
Line of Credit Facility [Line Items]
Margin percentage	2.00%	2.00%
Line of Credit | Revolving credit facility | 2021 Coty Revolving Credit Facility due April 2025 | Base Rate | Minimum
Line of Credit Facility [Line Items]
Margin percentage	0.00%	0.00%
Line of Credit | Revolving credit facility | 2021 Coty Revolving Credit Facility due April 2025 | Base Rate | Maximum
Line of Credit Facility [Line Items]
Margin percentage	1.00%	1.00%
Line of Credit | Revolving credit facility | Coty Credit Agreement
Line of Credit Facility [Line Items]
Unused commitment fee percentage	0.25%	0.25%
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%	0.25%
Line of Credit | Term Loan | Term Loan B Facility, Due April 2025 | U.S. Dollar
Line of Credit Facility [Line Items]
Applicable interest rate spread	2.25%	2.25%	2.25%		2.25%
Debt Discount	0.25%	0.25%	0.25%		0.25%
Line of Credit | Term Loan | Term Loan B Facility, Due April 2025 | Euro
Line of Credit Facility [Line Items]
Applicable interest rate spread	2.50%	2.50%	2.50%		2.50%
Debt Discount	0.25%	0.25%	0.25%		0.25%
Line of Credit | Term Loan | Term Loan B Facility, Due April 2025 | SOFR | U.S. Dollar
Line of Credit Facility [Line Items]
Margin percentage	2.25%	2.25%
Line of Credit | Term Loan | Term Loan B Facility, Due April 2025 | SOFR | Euro
Line of Credit Facility [Line Items]
Margin percentage	2.50%	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%	1.25%