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, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Segment Reporting Information [Line Items]
Total revenue		$ 998.0	$ 1,188.0	$ 2,561.8	$ 3,549.7
Operating profit		23.8	97.7	(128.1)	124.3
Certain Brazil indirect taxes		0.0	118.3
CTI restructuring initiatives		(10.9)	(17.5)	(16.1)	(93.2)
Other expense, net		(1.0)	57.9	(20.1)	87.3
Royalty expense		50.2	58.8	153.2	187.2
Merger Agreement
Segment Reporting Information [Line Items]
Acquisition expenses				46.0		$ 44.0
Severance costs	$ 24.0	25.0
Accelerated share based compensation	$ 10.0			10.0
Reportable segments
Segment Reporting Information [Line Items]
Total revenue		997.1	1,188.0	2,559.1	3,549.7
Operating profit		39.4	143.4	(30.3)	304.3
All other
Segment Reporting Information [Line Items]
Total revenue		2.8	4.7	11.6	14.7
Operating profit		1.3	0.9	5.4	2.0
Unallocated Expenses		(3.2)	(8.9)	(5.0)	(26.9)
Certain Brazil indirect taxes		0.0	0.0	10.6	0.0
CTI restructuring initiatives		(12.4)	(17.5)	(17.6)	(116.7)
Other expense, net		0.0	(19.3)	(85.8)	(36.4)
Revenue from affiliates to Natura &Co
Segment Reporting Information [Line Items]
Total revenue		0.9	0.0	2.7	0.0
Avon International | Reportable segments
Segment Reporting Information [Line Items]
Total revenue		457.1	505.6	1,239.2	1,614.4
Operating profit		17.4	35.4	15.7	129.9
Avon Latin America | Reportable segments
Segment Reporting Information [Line Items]
Total revenue		540.0	682.4	1,319.9	1,935.3
Operating profit		22.0	$ 108.0	(46.0)	$ 174.4
Certain Brazil indirect taxes		$ 68.0		$ 68.0