RESTRUCTURING INITIATIVES (Charges Reportable by Business Segment) (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]
Estimated charges to be incurred on approved initiatives	$ 100
Open Up Avon
Restructuring Cost and Reserve [Line Items]
Charges incurred	25,200	$ 33,200	$ 117,100
Charges incurred to-date	175,500
Estimated charges to be incurred on approved initiatives	100
Total expected charges on approved initiatives	175,600
Open Up Avon | Europe, Middle East & Africa
Restructuring Cost and Reserve [Line Items]
Charges incurred	4,500	13,500	32,200
Charges incurred to-date	50,200
Estimated charges to be incurred on approved initiatives	100
Total expected charges on approved initiatives	50,300
Open Up Avon | South Latin America
Restructuring Cost and Reserve [Line Items]
Charges incurred	13,700	12,700	36,400
Charges incurred to-date	62,800
Estimated charges to be incurred on approved initiatives	0
Total expected charges on approved initiatives	62,800
Open Up Avon | North Latin America
Restructuring Cost and Reserve [Line Items]
Charges incurred	4,300	2,900	27,900
Charges incurred to-date	35,100
Estimated charges to be incurred on approved initiatives	0
Total expected charges on approved initiatives	35,100
Open Up Avon | Asia Pacific
Restructuring Cost and Reserve [Line Items]
Charges incurred	(1,200)	(3,200)	14,400
Charges incurred to-date	10,000
Estimated charges to be incurred on approved initiatives	0
Total expected charges on approved initiatives	10,000
Open Up Avon | Global & Other Operating Segments
Restructuring Cost and Reserve [Line Items]
Charges incurred	3,900	7,300	6,200
Charges incurred to-date	17,400
Estimated charges to be incurred on approved initiatives	0
Total expected charges on approved initiatives	17,400
Transformation Plan
Restructuring Cost and Reserve [Line Items]
Charges incurred	0	(800)	23,700	$ 54,800	$ 74,400	$ 21,400
Charges incurred to-date	173,500
Estimated charges to be incurred on approved initiatives	0
Total expected charges on approved initiatives	173,500
Transformation Plan | Europe, Middle East & Africa
Restructuring Cost and Reserve [Line Items]
Charges incurred	0	(1,100)	5,000	900	30,900	0
Charges incurred to-date	35,700
Estimated charges to be incurred on approved initiatives	0
Total expected charges on approved initiatives	35,700
Transformation Plan | South Latin America
Restructuring Cost and Reserve [Line Items]
Charges incurred	0	0	4,100	5,600	13,200	0
Charges incurred to-date	22,900
Estimated charges to be incurred on approved initiatives	0
Total expected charges on approved initiatives	22,900
Transformation Plan | North Latin America
Restructuring Cost and Reserve [Line Items]
Charges incurred	0	0	600	(600)	4,400	0
Charges incurred to-date	4,400
Estimated charges to be incurred on approved initiatives	0
Total expected charges on approved initiatives	4,400
Transformation Plan | Asia Pacific
Restructuring Cost and Reserve [Line Items]
Charges incurred	0	0	600	(500)	9,100	0
Charges incurred to-date	9,200
Estimated charges to be incurred on approved initiatives	0
Total expected charges on approved initiatives	9,200
Transformation Plan | Global & Other Operating Segments
Restructuring Cost and Reserve [Line Items]
Charges incurred	0	$ 300	$ 13,400	$ 49,400	$ 16,800	$ 21,400
Charges incurred to-date	101,300
Estimated charges to be incurred on approved initiatives	0
Total expected charges on approved initiatives	$ 101,300