SEGMENT INFORMATION - Total Revenue and Operating Profit by Reporting Segment (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
	Jan. 31, 2020	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Segment Reporting Information [Line Items]
Total revenue		$ 768.3	$ 998.0	$ 2,589.7	$ 2,561.8
Operating (loss) profit		(18.9)	23.8	(75.1)	(128.1)
CTI restructuring initiatives		(2.6)	(10.9)	(51.0)	(16.1)
Costs related to the Transaction		0.7	(1.0)	4.3	(20.1)
Product sales		728.7	950.1	2,443.9	2,423.0
Royalty expense		56.2	50.2	172.2	153.2
Brazil IPI Tax Release
Segment Reporting Information [Line Items]
Product sales		12.4		21.8
Merger Agreement
Segment Reporting Information [Line Items]
Acquisition expenses					44.0	$ 46.0
Severance costs	$ 25.0				25.0
Accelerated share based compensation	$ 10.0				10.0
Reportable segments
Segment Reporting Information [Line Items]
Total revenue		761.8	997.1	2,566.8	2,559.1
Operating (loss) profit		(2.1)	39.4	4.5	(30.3)
Product sales		728.7	950.1	2,443.9	2,423.0
Reportable segments | Brazil IPI Tax Release
Segment Reporting Information [Line Items]
Product sales		12.4		21.8
Revenue from affiliates to Natura &Co
Segment Reporting Information [Line Items]
Total revenue		6.5	0.9	22.9	2.7
All other
Segment Reporting Information [Line Items]
Total revenue		0.2	2.8	4.5	11.6
Operating (loss) profit		0.2	1.3	0.6	5.4
Unallocated global expenses		(4.2)	(3.2)	(17.1)	(5.0)
Certain Brazil taxes		(1.7)	0.0	(1.7)	10.6
CTI restructuring initiatives		(10.9)	(12.4)	(60.8)	(17.6)
Costs related to the Transaction		0.0	0.0	0.0	(85.8)
Avon International | Reportable segments
Segment Reporting Information [Line Items]
Total revenue		392.6	457.1	1,239.9	1,239.2
Operating (loss) profit		2.0	17.4	(4.4)	15.7
Product sales		376.8	439.3	1,189.7	1,186.0
Avon International | Reportable segments | Brazil IPI Tax Release
Segment Reporting Information [Line Items]
Product sales		0.0		0.0
Avon Latin America | Reportable segments
Segment Reporting Information [Line Items]
Total revenue		369.2	540.0	1,326.9	1,319.9
Operating (loss) profit		(4.1)	22.0	8.9	(46.0)
Product sales		351.9	$ 510.8	1,254.2	$ 1,237.0
Avon Latin America | Reportable segments | Brazil IPI Tax Release
Segment Reporting Information [Line Items]
Product sales		$ 12.4		$ 21.8