Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (43.1)	$ (33.5)	$ (169.1)	$ (298.9)
Other comprehensive loss:
Foreign currency translation adjustments	(5.7)	(65.7)	(1.4)	(149.7)
Unrealized (loss) gain on revaluation of long-term intercompany balances	(3.8)	40.4	(21.7)	13.8
Change in unrealized gain (loss) on cash flow hedges, net of taxes			0.0	0.6
Adjustments and amortization of net actuarial loss and prior service cost, net of taxes	0.7	4.4	3.2	8.4
Total other comprehensive loss, net of income taxes	(8.8)	(20.9)	(19.9)	(126.9)
Comprehensive loss	(51.9)	(54.4)	(189.0)	(425.8)
Less: comprehensive loss attributable to noncontrolling interests	0.9	0.5	1.6	2.3
Comprehensive loss attributable to Avon	$ (51.0)	$ (53.9)	$ (187.4)	$ (423.5)