DEBT - Schedule of Long Term Debt Facilities (Details)	12 Months Ended
DEBT - Schedule of Long Term Debt Facilities (Details)	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015	Jun. 30, 2018 EUR (€)	Apr. 05, 2018 USD ($)	Apr. 05, 2018 EUR (€)	Jun. 30, 2017 EUR (€)	Jun. 30, 2016 EUR (€)	Apr. 08, 2016 EUR (€)	Oct. 27, 2015 USD ($)	Oct. 27, 2015 EUR (€)
Coty Term Loan B Facility due October 2022 \| LIBOR
Line of Credit Facility [Line Items]
Margin percentage	2.25%
Coty Term Loan B Facility due October 2022 \| Base Rate
Line of Credit Facility [Line Items]
Margin percentage	1.25%
Coty Term Loan B Facility due October 2022 \| EURIBOR
Line of Credit Facility [Line Items]
Margin percentage	2.50%
Line of Credit \| Revolving credit facility \| JPMorgan Chase NA, as Administrative Agent
Line of Credit Facility [Line Items]
Borrowing Capacity (in millions)											$ 1,500,000,000.0
Line of Credit \| Revolving credit facility \| Galleria Credit Agreement
Line of Credit Facility [Line Items]
Borrowing Capacity (in millions)		$ 1,500,000,000
Applicable Interest Rate Spread at period end		1.75%						1.75%
Line of Credit \| Revolving credit facility \| Galleria Credit Agreement \| LIBOR \| Minimum
Line of Credit Facility [Line Items]
Margin percentage		1.00%
Line of Credit \| Revolving credit facility \| Galleria Credit Agreement \| LIBOR \| Maximum
Line of Credit Facility [Line Items]
Margin percentage		2.00%
Line of Credit \| Revolving credit facility \| Galleria Credit Agreement \| Base Rate \| Minimum
Line of Credit Facility [Line Items]
Margin percentage		0.00%
Line of Credit \| Revolving credit facility \| Galleria Credit Agreement \| Base Rate \| Maximum
Line of Credit Facility [Line Items]
Margin percentage		1.00%
Line of Credit \| Revolving credit facility \| Coty Credit Agreement
Line of Credit Facility [Line Items]
Borrowing Capacity (in millions)		$ 1,500,000,000	$ 1,500,000,000
Applicable Interest Rate Spread at period end		1.75%	1.75%					1.75%	1.75%
Unused commitment fee percentage	0.30%	0.50%	0.50%
Line of Credit \| Revolving credit facility \| Coty Credit Agreement \| Minimum
Line of Credit Facility [Line Items]
Unused commitment fee percentage	0.10%	0.25%	0.25%
Line of Credit \| Revolving credit facility \| Coty Credit Agreement \| Maximum
Line of Credit Facility [Line Items]
Unused commitment fee percentage	0.35%	0.50%	0.50%
Line of Credit \| Revolving credit facility \| Coty Credit Agreement \| LIBOR \| Minimum
Line of Credit Facility [Line Items]
Margin percentage		1.00%	1.00%
Line of Credit \| Revolving credit facility \| Coty Credit Agreement \| LIBOR \| Maximum
Line of Credit Facility [Line Items]
Margin percentage		2.00%	2.00%
Line of Credit \| Revolving credit facility \| Coty Credit Agreement \| Base Rate \| Minimum
Line of Credit Facility [Line Items]
Margin percentage		0.00%	0.00%
Line of Credit \| Revolving credit facility \| Coty Credit Agreement \| Base Rate \| Maximum
Line of Credit Facility [Line Items]
Margin percentage		1.00%	1.00%
Line of Credit \| Revolving credit facility \| 2018 Coty Revolving Credit Facility due April 2023
Line of Credit Facility [Line Items]
Borrowing Capacity (in millions)	$ 3,250,000,000
Applicable Interest Rate Spread at period end	1.75%				1.75%
Line of Credit \| Revolving credit facility \| 2018 Coty Revolving Credit Facility due April 2023 \| LIBOR \| Minimum
Line of Credit Facility [Line Items]
Margin percentage				1.00%
Line of Credit \| Revolving credit facility \| 2018 Coty Revolving Credit Facility due April 2023 \| LIBOR \| Maximum
Line of Credit Facility [Line Items]
Margin percentage				2.00%
Line of Credit \| Revolving credit facility \| 2018 Coty Revolving Credit Facility due April 2023 \| Base Rate \| Minimum
Line of Credit Facility [Line Items]
Margin percentage	0.00%
Line of Credit \| Revolving credit facility \| 2018 Coty Revolving Credit Facility due April 2023 \| Base Rate \| Maximum
Line of Credit Facility [Line Items]
Margin percentage	1.00%
Line of Credit \| Term Loan \| Galleria Term Loan A Facility due September 2021
Line of Credit Facility [Line Items]
Applicable Interest Rate Spread at period end		1.75%						1.75%
Amount of term loan		$ 2,000,000,000.0
Line of Credit \| Term Loan \| Galleria Term Loan A Facility due September 2021 \| LIBOR
Line of Credit Facility [Line Items]
Repayment percentage		1.25%
Line of Credit \| Term Loan \| Galleria Term Loan A Facility due September 2021 \| LIBOR \| Minimum
Line of Credit Facility [Line Items]
Margin percentage		1.00%
Line of Credit \| Term Loan \| Galleria Term Loan A Facility due September 2021 \| LIBOR \| Maximum
Line of Credit Facility [Line Items]
Margin percentage		2.00%
Line of Credit \| Term Loan \| Galleria Term Loan A Facility due September 2021 \| Base Rate \| Minimum
Line of Credit Facility [Line Items]
Margin percentage		0.00%
Line of Credit \| Term Loan \| Galleria Term Loan A Facility due September 2021 \| Base Rate \| Maximum
Line of Credit Facility [Line Items]
Margin percentage		1.00%
Line of Credit \| Term Loan \| Galleria Term Loan B Facility due September 2023
Line of Credit Facility [Line Items]
Applicable Interest Rate Spread at period end		3.00%						3.00%
Amount of term loan		$ 1,000,000,000
Line of Credit \| Term Loan \| Galleria Term Loan B Facility due September 2023 \| LIBOR
Line of Credit Facility [Line Items]
Margin percentage		3.00%
Repayment percentage		0.25%
Line of Credit \| Term Loan \| Galleria Term Loan B Facility due September 2023 \| Base Rate
Line of Credit Facility [Line Items]
Margin percentage		2.00%
Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2020
Line of Credit Facility [Line Items]
Applicable Interest Rate Spread at period end		1.75%						1.75%
Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2020 \| JPMorgan Chase NA, as Administrative Agent
Line of Credit Facility [Line Items]
Amount of term loan											$ 1,750,000,000.0
Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2020 \| U.S. Dollar
Line of Credit Facility [Line Items]
Applicable Interest Rate Spread at period end		1.75%	1.75%					1.75%	1.75%
Amount of term loan		$ 1,750,000,000	$ 1,750,000,000
Repayment percentage		1.25%	1.25%
Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2020 \| Euro
Line of Credit Facility [Line Items]
Applicable Interest Rate Spread at period end		1.75%	1.75%					1.75%	1.75%
Amount of term loan \| €								€ 140,000,000	€ 140,000,000
Repayment percentage		1.25%	1.25%
Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2020 \| Euro \| JPMorgan Chase NA, as Administrative Agent
Line of Credit Facility [Line Items]
Additional commitments under facility \| €										€ 140,000,000.0
Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2020 \| LIBOR \| U.S. Dollar \| Minimum
Line of Credit Facility [Line Items]
Margin percentage		1.00%	1.00%
Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2020 \| LIBOR \| U.S. Dollar \| Maximum
Line of Credit Facility [Line Items]
Margin percentage		2.00%	2.00%
Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2020 \| Base Rate \| U.S. Dollar \| Minimum
Line of Credit Facility [Line Items]
Margin percentage		0.00%	0.00%
Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2020 \| Base Rate \| U.S. Dollar \| Maximum
Line of Credit Facility [Line Items]
Margin percentage		1.00%	1.00%
Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2020 \| EURIBOR \| Euro \| Minimum
Line of Credit Facility [Line Items]
Margin percentage		1.00%	1.00%
Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2020 \| EURIBOR \| Euro \| Maximum
Line of Credit Facility [Line Items]
Margin percentage		2.00%	2.00%
Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2021
Line of Credit Facility [Line Items]
Amount of term loan		$ 975,000,000.0
Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2021 \| U.S. Dollar
Line of Credit Facility [Line Items]
Repayment percentage		1.25%
Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2021 \| LIBOR \| U.S. Dollar \| Minimum
Line of Credit Facility [Line Items]
Margin percentage		1.00%
Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2021 \| LIBOR \| U.S. Dollar \| Maximum
Line of Credit Facility [Line Items]
Margin percentage		2.00%
Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2021 \| Base Rate \| U.S. Dollar \| Minimum
Line of Credit Facility [Line Items]
Margin percentage		0.00%
Line of Credit \| Term Loan \| Coty Term Loan A Facility due October 2021 \| Base Rate \| U.S. Dollar \| Maximum
Line of Credit Facility [Line Items]
Margin percentage		1.00%
Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| JPMorgan Chase NA, as Administrative Agent
Line of Credit Facility [Line Items]
Debt Discount (percentage)											0.50%	0.50%
Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| U.S. Dollar
Line of Credit Facility [Line Items]
Applicable Interest Rate Spread at period end		2.50%	3.00%					2.50%	3.00%
Amount of term loan		$ 600,000,000	$ 500,000,000
Debt Discount (percentage)		0.50%	0.50%					0.50%	0.50%
Repayment percentage		0.25%	0.25%
Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| U.S. Dollar \| JPMorgan Chase NA, as Administrative Agent
Line of Credit Facility [Line Items]
Amount of term loan											$ 500,000,000.0
Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| Euro
Line of Credit Facility [Line Items]
Borrowing Capacity (in millions) \| €								€ 990,000,000.0	€ 990,000,000.0
Applicable Interest Rate Spread at period end		2.75%	2.75%					2.75%	2.75%
Debt Discount (percentage)		0.50%	0.50%					0.50%	0.50%
Repayment percentage		0.25%	0.25%
Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| Euro \| JPMorgan Chase NA, as Administrative Agent
Line of Credit Facility [Line Items]
Amount of term loan \| €												€ 665,000,000.0
Repayment percentage		0.25%
Additional commitments under facility \| €										€ 325,000,000.0
Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| LIBOR \| U.S. Dollar
Line of Credit Facility [Line Items]
Margin percentage		2.50%
Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| LIBOR \| U.S. Dollar \| Minimum
Line of Credit Facility [Line Items]
Margin percentage			0.75%
Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| LIBOR \| U.S. Dollar \| Maximum
Line of Credit Facility [Line Items]
Margin percentage			3.00%
Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| Base Rate \| U.S. Dollar
Line of Credit Facility [Line Items]
Margin percentage		2.00%
Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| Base Rate \| U.S. Dollar \| Minimum
Line of Credit Facility [Line Items]
Margin percentage			1.75%
Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| Base Rate \| U.S. Dollar \| Maximum
Line of Credit Facility [Line Items]
Margin percentage			2.00%
Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| EURIBOR \| Euro
Line of Credit Facility [Line Items]
Margin percentage			0.75%
Line of Credit \| Term Loan \| Coty Term Loan B Facility due October 2022 \| EURIBOR \| Euro \| Maximum
Line of Credit Facility [Line Items]
Margin percentage		2.75%
Line of Credit \| Term Loan \| Term Loan A Facility, Due April 2023 \| U.S. Dollar
Line of Credit Facility [Line Items]
Applicable Interest Rate Spread at period end	1.75%				1.75%
Amount of term loan	$ 1,000,000,000
Line of Credit \| Term Loan \| Term Loan A Facility, Due April 2023 \| Euro
Line of Credit Facility [Line Items]
Applicable Interest Rate Spread at period end	1.75%				1.75%
Amount of term loan \| €					€ 2,035,000,000
Line of Credit \| Term Loan \| Term Loan A Facility, Due April 2023 \| LIBOR \| U.S. Dollar
Line of Credit Facility [Line Items]
Repayment percentage	1.25%
Line of Credit \| Term Loan \| Term Loan A Facility, Due April 2023 \| LIBOR \| U.S. Dollar \| Minimum
Line of Credit Facility [Line Items]
Margin percentage				1.00%
Line of Credit \| Term Loan \| Term Loan A Facility, Due April 2023 \| LIBOR \| U.S. Dollar \| Maximum
Line of Credit Facility [Line Items]
Margin percentage				2.00%
Line of Credit \| Term Loan \| Term Loan A Facility, Due April 2023 \| LIBOR \| Euro
Line of Credit Facility [Line Items]
Repayment percentage	1.25%
Line of Credit \| Term Loan \| Term Loan A Facility, Due April 2023 \| LIBOR \| Euro \| Minimum
Line of Credit Facility [Line Items]
Margin percentage				1.00%
Line of Credit \| Term Loan \| Term Loan A Facility, Due April 2023 \| LIBOR \| Euro \| Maximum
Line of Credit Facility [Line Items]
Margin percentage				2.00%
Line of Credit \| Term Loan \| Term Loan A Facility, Due April 2023 \| Base Rate \| U.S. Dollar \| Minimum
Line of Credit Facility [Line Items]
Margin percentage	0.00%
Line of Credit \| Term Loan \| Term Loan A Facility, Due April 2023 \| Base Rate \| U.S. Dollar \| Maximum
Line of Credit Facility [Line Items]
Margin percentage	1.00%
Line of Credit \| Term Loan \| Term Loan A Facility, Due April 2023 \| Base Rate \| Euro \| Minimum
Line of Credit Facility [Line Items]
Margin percentage	0.00%
Line of Credit \| Term Loan \| Term Loan A Facility, Due April 2023 \| Base Rate \| Euro \| Maximum
Line of Credit Facility [Line Items]
Margin percentage	1.00%
Line of Credit \| Term Loan \| Term Loan B Facility, Due April 2025
Line of Credit Facility [Line Items]
Amount of term loan \| €					€ 850,000,000
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 at period end	2.25%				2.25%
Amount of term loan	$ 1,400,000,000
Debt Discount (percentage)	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 at period end	2.50%				2.50%
Debt Discount (percentage)	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]
Repayment percentage	0.25%
Line of Credit \| Term Loan \| Term Loan B Facility, Due April 2025 \| LIBOR \| U.S. Dollar \| Maximum
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%
Repayment percentage	0.25%
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%
Line of Credit \| Term Loan \| 2026 Dollar Notes
Line of Credit Facility [Line Items]
Margin percentage	6.50%
Line of Credit \| Term Loan \| 2023 Euro Notes \| Euro
Line of Credit Facility [Line Items]
Margin percentage	4.00%
Line of Credit \| Term Loan \| 2026 Euro Notes \| Euro
Line of Credit Facility [Line Items]
Margin percentage	4.75%
Senior Notes
Line of Credit Facility [Line Items]
Margin percentage	0.50%
Senior Notes \| 2026 Dollar Notes
Line of Credit Facility [Line Items]
Amount of term loan						$ 550,000,000.0
Senior Notes \| 2023 Euro Notes
Line of Credit Facility [Line Items]
Amount of term loan \| €							€ 550,000,000.0
Senior Notes \| 2026 Euro Notes
Line of Credit Facility [Line Items]
Amount of term loan \| €							€ 250,000,000.0
Senior Notes \| Term Loan \| 2026 Dollar Notes \| U.S. Dollar
Line of Credit Facility [Line Items]
Amount of term loan	$ 550,000,000
Senior Notes \| Term Loan \| 2023 Euro Notes \| Euro
Line of Credit Facility [Line Items]
Amount of term loan \| €					€ 550,000,000
Senior Notes \| Term Loan \| 2026 Euro Notes \| Euro
Line of Credit Facility [Line Items]
Amount of term loan \| €					€ 250,000,000