Equity (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021
Balance	$ (1,473.6)	$ (1,008.6)
Net loss attributable to Diebold Nixdorf, Incorporated	(111.1)	(183.1)
Net loss	(111.5)	(183.9)
Other comprehensive loss	8.5	13.9
Share-based compensation issued	0.0	0.0
Share-based compensation expense	1.3	1.7
Treasury shares	(0.8)	(3.3)
Balance	(1,371.1)	(837.0)
Warrants and Rights Outstanding	20.1	0.0	$ 20.1	$ 0.0
Common Stock [Member]
Balance	120.8	119.5
Share-based compensation issued	(1.0)	(1.2)
Balance	119.8	118.3
Additional Paid-in Capital [Member]
Balance	831.8	820.1
Share-based compensation issued	(1.0)	(1.2)
Share-based compensation expense	1.3	1.7
Balance	831.5	819.6
Retained Earnings [Member]
Balance	(1,517.8)	(1,005.5)
Net loss attributable to Diebold Nixdorf, Incorporated	(111.1)	(183.1)
Balance	(1,406.7)	(822.4)
AOCI Attributable to Parent
Balance	(353.7)	(365.4)
Other comprehensive loss	6.3	13.1
Balance	(360.0)	(378.5)
Parent [Member]
Balance	(1,485.2)	(1,016.7)
Net loss attributable to Diebold Nixdorf, Incorporated	(111.1)	(183.1)
Other comprehensive loss	6.3	13.1
Share-based compensation issued		0.0
Share-based compensation expense	1.3	1.7
Treasury shares	(0.8)	(3.3)
Balance	(1,380.9)	(845.1)
Noncontrolling Interest [Member]
Balance	11.6	8.1
Net loss	(0.4)	(0.8)
Other comprehensive loss	2.2	0.8
Balance	9.8	8.1
Treasury Stock, Common
Balance	(586.4)	(585.4)
Treasury shares	(0.8)	(3.3)
Balance	$ (585.6)	$ (582.1)