DEBT - 2018 Coty Credit Agreement (Details)					12 Months Ended
	Nov. 30, 2020 USD ($)	Jun. 27, 2019 USD ($)	Jun. 26, 2019	Apr. 05, 2018 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Apr. 29, 2020 USD ($)	Apr. 05, 2018 EUR (€)
Line of Credit Facility [Line Items]
Return of capital from equity investments					$ 448,000,000.0	$ 0	$ 0
Repayments of long-term lines of credit					$ 3,593,300,000	$ 4,044,400,000	$ 1,729,100,000
Wella Business
Line of Credit Facility [Line Items]
Equity interest ownership percentage	40.00%				40.00%
KKR | Wella Business
Line of Credit Facility [Line Items]
Ownership percentage by parent	60.00%
Discontinued Operations, Held-for-sale or Disposed of by Sale | Wella Business
Line of Credit Facility [Line Items]
Proceeds from divestiture	$ 2,451,700,000
Return of capital from equity investments	448,000,000.0
2018 Coty Credit Agreement
Line of Credit Facility [Line Items]
Proceeds from divestiture, amount allocated to reinvestment in the business	500,000,000.0
2018 Coty Credit Agreement | Line of Credit
Line of Credit Facility [Line Items]
Proceeds from divestiture, amount allocated to reinvestment in the business	500,000,000.0
2018 Coty Revolving Credit Facility | Line of Credit
Line of Credit Facility [Line Items]
Borrowing capacity		$ 2,750,000,000
Decrease in maximum borrowing capacity		$ 500,000,000.0
Covenant, quarterly minimum liquidity					$ 500,000,000.0			$ 350,000,000.0
2018 Coty Revolving Credit Facility | Line of Credit | Revolving credit facility
Line of Credit Facility [Line Items]
Borrowing capacity				$ 3,250,000,000
2018 Coty Revolving Credit Facility | Line of Credit | Letter of credit
Line of Credit Facility [Line Items]
Borrowing capacity				150,000,000.0
2018 Coty Revolving Credit Facility | Line of Credit | Swingline loans
Line of Credit Facility [Line Items]
Borrowing capacity				150,000,000.0
2018 Coty Revolving Credit Facility | Line of Credit | Incurrence Incremental Facilities
Line of Credit Facility [Line Items]
Borrowing capacity				$ 1,700,000,000
Total net leverage ratio				3.00
2018 Coty Term A And Term B Facilities
Line of Credit Facility [Line Items]
Repayments of long-term lines of credit	$ 2,015,500,000
2018 Coty Term A Facility
Line of Credit Facility [Line Items]
Borrowing capacity | €									€ 2,035,000,000
2018 Coty Term A Facility | Line of Credit
Line of Credit Facility [Line Items]
Borrowing capacity				$ 1,000,000,000
2018 Coty Term B Facility
Line of Credit Facility [Line Items]
Borrowing capacity | €									€ 850,000,000
2018 Coty Term B Facility | Line of Credit
Line of Credit Facility [Line Items]
Borrowing capacity				$ 1,400,000,000
Discount percentage				0.25%					0.25%
March 31, 2022 | 2018 Coty Revolving Credit Facility | Line of Credit | Incurrence Incremental Facilities
Line of Credit Facility [Line Items]
Total net leverage ratio		5.0	5.25