Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Net loss	$ (677.3)	$ (199.1)	$ (788.8)	$ (383.0)
Other comprehensive loss, net of tax
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	0.2	1.8	0.5	4.7
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax	0.0	0.0	0.0	0.6
Total interest rate hedges	0.2	1.8	0.5	4.1
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, after Tax	0.8	0.1	2.1	0.8
Other	0.0	0.0	0.0	0.7
Other comprehensive income (loss), net of tax	19.6	(44.5)	28.1	(30.6)
Comprehensive loss	(657.7)	(243.6)	(760.7)	(413.6)
Less: Comprehensive income (loss) attributable to noncontrolling interests	(6.8)	2.4	(5.0)	2.4
Comprehensive loss attributable to Diebold Nixdorf, Incorporated	(650.9)	(246.0)	(755.7)	(416.0)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Noncontrolling Interest	6.6	(2.3)		(3.1)
Translation adjustment
Other comprehensive loss, net of tax
Translation adjustment and foreign currency hedges	18.6	(47.3)	25.5	(36.1)
Net Investment Hedging [Member]
Other comprehensive loss, net of tax
Translation adjustment and foreign currency hedges	0.0	0.9	0.0	(0.1)
Interest rate swaps
Other comprehensive loss, net of tax
Interest rate hedges, net gain recognized in other comprehensive income, tax	(0.0)	(0.0)	(0.0)	(0.6)
Pension and other post-retirement benefits
Other comprehensive loss, net of tax
Net actuarial loss amortization, tax	(0.2)	(0.7)	0.7	0.4
Foreign Currency Hedges
Other comprehensive loss, net of tax
Net actuarial loss amortization, tax	$ 0.0	$ (0.0)	$ (0.0)	$ (0.0)