Condensed Consolidated Balance Sheets - USD ($)	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Current assets
Cash, cash equivalents and restricted cash	$ 246,400,000	$ 319,100,000
Short-term investments	16,600,000	24,600,000
Trade receivables, net	627,100,000	612,200,000
Inventories	639,500,000	588,100,000
Prepaid expenses	53,200,000	50,500,000
Current assets held for sale	6,900,000	7,900,000
Other current assets	219,500,000	168,500,000
Total current assets	1,809,200,000	1,770,900,000
Securities and other investments	7,400,000	7,600,000
Property, Plant and Equipment, Net	120,100,000	120,700,000
Goodwill	702,200,000	702,300,000
Intangible assets, net	245,100,000	257,600,000
Other Assets, Noncurrent	251,900,000	249,900,000
Total assets	3,090,700,000	3,065,000,000
Current liabilities
Notes payable	83,700,000	24,000,000.0
Accounts payable	636,400,000	611,600,000
Deferred Revenue, Current	486,700,000	453,200,000
Payroll and other benefits liabilities	121,900,000	107,900,000
Disposal Group, Including Discontinued Operation, Liabilities	8,500,000	6,800,000
Other current liabilities	405,700,000	401,400,000
Total current liabilities	1,742,900,000	1,604,900,000
Long-term debt	2,571,700,000	2,585,800,000
Pensions, post-retirement and other benefits	41,900,000	40,600,000
Deferred income taxes	100,700,000	96,600,000
Other liabilities	107,100,000	108,200,000
Diebold Nixdorf, Incorporated shareholders' equity
Preferred shares, no par value, 1,000,000 authorized shares, none issued	0	0
Common shares, $1.25 par value, 125,000,000 authorized shares, 96,563,247 and 95,779,719 issued shares, 79,609,121 and 79,103,450 outstanding shares, respectively	120,800,000	119,800,000
Additional capital	831,800,000	831,500,000
Retained earnings (accumulated deficit)	$ (1,517,800,000)	$ (1,406,700,000)
Treasury Stock, Common, Shares	16,954,126	16,676,269
Treasury shares, at cost (16,954,126 and 16,676,269 shares, respectively)	$ (586,400,000)	$ (585,600,000)
Accumulated other comprehensive loss	(353,700,000)	(360,000,000.0)
Warrants and Rights Outstanding	20,100,000	20,100,000
Total Diebold Nixdorf, Incorporated shareholders' equity	(1,485,200,000)	(1,380,900,000)
Noncontrolling interests	11,600,000	9,800,000
Total equity	(1,473,600,000)	(1,371,100,000)
Total liabilities and equity	$ 3,090,700,000	3,065,000,000
Document Period End Date	Mar. 31, 2023
Accounts Receivable, Allowance for Credit Loss	$ 32,400,000	34,500,000
Capitalized Computer Software, Net	19.6	50,700,000
Amortization of internally-developed software	4,700,000
Long-Term Debt	2,573.8	2,557.6
Capitalized Computer Software, Period Increase (Decrease)	0.8
Customer relationships [Member]
Current assets
Intangible assets, net	$ 199,900,000	$ 213,600,000