Restructuring Initiatives - Open Up Avon (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Restructuring Reserve [Roll Forward]
Charges	$ 22.6	$ 17.5	$ 45.7	$ 53.5	$ 126.1	$ 19.8	$ 23.7	$ 10.9	$ 139.3	$ 180.5	$ 60.2
Open Up Avon
Restructuring Reserve [Roll Forward]
Beginning Balance				20.7				0.0	20.7	0.0
Charges									76.6	115.7
Adjustments									(5.0)	0.0
Cash payments									(58.7)	(6.5)
Non-cash write-offs									(6.6)	(88.5)
Foreign exchange									(2.8)	0.0
Ending Balance	24.2				20.7				24.2	20.7	0.0
Employee-Related Costs | Open Up Avon
Restructuring Reserve [Roll Forward]
Beginning Balance				19.6				0.0	19.6	0.0
Charges									61.8	26.4
Adjustments									(4.5)	0.0
Cash payments									(56.3)	(6.8)
Non-cash write-offs									0.0	0.0
Foreign exchange									(2.8)	0.0
Ending Balance	17.8				19.6				17.8	19.6	0.0
Inventory write-off | Open Up Avon
Restructuring Reserve [Roll Forward]
Beginning Balance				0.0				0.0	0.0	0.0
Charges									17.5	88.5
Adjustments									0.0	0.0
Cash payments									0.0	0.0
Non-cash write-offs									(17.5)	(88.5)
Foreign exchange									0.0	0.0
Ending Balance	0.0				0.0				0.0	0.0	0.0
Foreign Currency Translation Adjustment Write-offs | Open Up Avon
Restructuring Reserve [Roll Forward]
Beginning Balance				0.0				0.0	0.0	0.0
Charges									(10.9)	0.0
Adjustments									0.0	0.0
Cash payments									0.0	0.0
Non-cash write-offs									10.9	0.0
Foreign exchange									0.0	0.0
Ending Balance	0.0				0.0				0.0	0.0	0.0
Contract termination and other net costs | Open Up Avon
Restructuring Reserve [Roll Forward]
Beginning Balance				$ 1.1				$ 0.0	1.1	0.0
Charges									8.2	0.8
Adjustments									(0.5)	0.0
Cash payments									(2.4)	0.3
Non-cash write-offs									0.0	0.0
Foreign exchange									0.0	0.0
Ending Balance	$ 6.4				$ 1.1				$ 6.4	$ 1.1	$ 0.0