Description of the Business and Summary of Significant Accounting Policies (Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Numerator from continuing operations:
Income (loss) from continuing operations less amounts attributable to noncontrolling interests									$ (19.5)	$ 22.0	$ (93.6)
Less: Earnings (loss) allocated to participating securities									(0.2)	0.3	(1.2)
Less: Earnings allocated to convertible preferred stock									24.3	23.1	18.4
Loss from continuing operations allocated to common shareholders									(43.6)	(1.4)	(110.8)
Numerator from discontinued operations:
Loss from discontinued operations less amounts attributable to noncontrolling interests									0.0	0.0	(14.0)
Less: Loss allocated to participating securities									0.0	0.0	(0.2)
Line items impacted within the Consolidated Statements of Operations
Net income (loss) attributable to Avon less amounts attributable to noncontrolling interests	$ (77.6)	$ 114.5	$ (36.1)	$ (20.3)	$ 91.5	$ 12.5	$ (45.5)	$ (36.5)	(19.5)	22.0	(107.6)
Less: Earnings (loss) allocated to participating securities									(0.2)	0.3	(1.4)
Less: Earnings allocated to convertible preferred stock									24.3	23.1	18.4
Loss attributable to Avon allocated to common shareholders									$ (43.6)	$ (1.4)	$ (124.6)
Denominator:
Basic EPS weighted-average shares outstanding (in shares)									441.9	439.7	437.0
Diluted effect of assumed conversion of stock options (in shares)									0.0	0.0	0.0
Diluted effect of assumed conversion of preferred stock (in shares)									0.0	0.0	0.0
Diluted EPS adjusted weighted-average shares outstanding (in shares)									441.9	439.7	437.0
Loss per Common Share from continuing operations:
Basic from continuing operations (in dollars per share)	$ (0.19)	$ 0.21	$ (0.09)	$ (0.06)	$ 0.17	$ 0.01	$ (0.12)	$ (0.10)	$ (0.10)	$ 0.00	$ (0.25)
Diluted from continuing operations (in dollars per share)	$ (0.19)	$ 0.21	$ (0.09)	$ (0.06)	$ 0.17	$ 0.01	$ (0.12)	$ (0.10)	(0.10)	0.00	(0.25)
Loss per Common Share from discontinued operations:
Basic from discontinued operations (in dollars per share)									0.00	0.00	(0.03)
Diluted from discontinued operations (in dollars per share)									0.00	0.00	(0.03)
Loss per Common Share attributable to Avon:
Basic attributable to Avon (in dollars per share)									(0.10)	0.00	(0.29)
Diluted attributable to Avon (in dollars per share)									$ (0.10)	$ 0.00	$ (0.29)