Restructuring Initiatives (Details) - USD ($) $ in Millions		12 Months Ended
	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiative		$ 116.0	$ 180.5
Inventory write-off
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiative			88.0
Open Up Avon
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiative		106.6	143.2
Recorded total costs to implement restructuring initiatives		249.8
Open Up Avon | Inventory write-off
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiative	$ 88.0
Transformation Plan
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiative		9.3	38.0
Recorded total costs to implement restructuring initiatives		214.7
Other
Restructuring Cost and Reserve [Line Items]
CTI restructuring initiative		$ 0.1	$ (0.7)