Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Net loss	$ (111.5)	$ (183.9)
Other comprehensive loss, net of tax
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	0.3	2.9
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	0.0	0.6
Total interest rate hedges	0.3	2.3
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax	1.3	0.7
Other	0.0	0.7
Other comprehensive loss, net of tax	8.5	13.9
Comprehensive loss	(103.0)	(170.0)
Less: Comprehensive loss attributable to noncontrolling interests	1.8	0.0
Comprehensive loss attributable to Diebold Nixdorf, Incorporated	(104.8)	(170.0)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Noncontrolling Interest	(2.2)	(0.8)
Translation adjustment
Other comprehensive loss, net of tax
Translation adjustment and foreign currency hedges	6.9	11.2
Net Investment Hedging [Member]
Other comprehensive loss, net of tax
Translation adjustment and foreign currency hedges	0.0	(1.0)
Foreign currency hedges, amount recognized in other comprehensive income, tax	0.0	0.0
Interest rate swaps
Other comprehensive loss, net of tax
Interest rate hedges, net gain recognized in other comprehensive income, tax	0.0	0.6
Pension and other post-retirement benefits
Other comprehensive loss, net of tax
Net actuarial loss amortization, tax	$ 0.5	$ 0.3