DEBT - 2018 Coty Credit Agreement (Details) - Apr. 05, 2018	USD ($)	EUR (€)
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 | €		€ 850,000,000.0
2018 Coty Term B Facility | Line of Credit
Line of Credit Facility [Line Items]
Borrowing capacity	1,400,000,000
2021 Coty Revolving Credit Facility | Line of Credit | Letter of credit
Line of Credit Facility [Line Items]
Borrowing capacity	150,000,000.0
2021 Coty Revolving Credit Facility | Line of Credit | Swingline loans
Line of Credit Facility [Line Items]
Borrowing capacity	150,000,000.0
2021 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