CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Comprehensive Income [Abstract]
Net loss	$ (365.5)	$ (1.3)	$ (21.8)
Other comprehensive loss:
Foreign currency translation adjustments	(162.9)	(0.6)	(48.7)
Unrealized (losses) gains on revaluation of long-term intercompany balances	67.6	(5.7)	(58.1)
Change in derivative gains on cash flow hedges	0.6	(1.1)	0.5
Amortization of net actuarial loss and prior service cost, net of taxes of $0.8, $0.4 and $0.6	8.2	9.4	10.5
Adjustments of net actuarial loss and prior service cost, net of taxes of $3.8, $2.9 and $1.1	(7.1)	(8.0)	(8.6)
Sale of New Avon	0.0	(3.4)	0.0
Total other comprehensive loss, net of taxes	(93.6)	(9.4)	(104.4)
Comprehensive loss	(459.1)	(10.7)	(126.2)
Less: comprehensive loss attributable to noncontrolling interests	2.5	0.9	2.6
Comprehensive loss attributable to Avon	$ (456.6)	$ (9.8)	$ (123.6)