Condensed Consolidated Balance Sheets - USD ($)	6 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Current assets
Cash, cash equivalents and restricted cash	$ 541,800,000	$ 319,100,000
Short-term investments	11,000,000.0	24,600,000
Receivables, Net, Current	655,900,000	612,200,000
Inventories	648,300,000	588,100,000
Prepaid expenses	46,700,000	50,500,000
Current assets held for sale	8,100,000	7,900,000
Other current assets	224,500,000	168,500,000
Total current assets	2,136,300,000	1,770,900,000
Securities and other investments	7,000,000.0	7,600,000
Property, Plant and Equipment, Net	119,100,000	120,700,000
Goodwill	713,400,000	702,300,000
Intangible assets, net	226,800,000	257,600,000
Other Assets, Noncurrent	248,000,000.0	249,900,000
Total assets	3,405,500,000	3,065,000,000
Current liabilities
Notes payable	1,251,900,000	24,000,000.0
Accounts payable	504,100,000	611,600,000
Deferred Revenue, Current	416,800,000	453,200,000
Payroll and other benefits liabilities	142,300,000	107,900,000
Disposal Group, Including Discontinued Operation, Liabilities	9,300,000	6,800,000
Debt Instrument, Unamortized Premium	417,000,000.0	0
Other current liabilities	348,300,000	401,400,000
Total current liabilities	3,089,700,000	1,604,900,000
Long-term debt	4,400,000	2,585,800,000
Pensions, post-retirement and other benefits	39,000,000.0	40,600,000
Deferred income taxes	67,200,000	96,600,000
Other liabilities	95,600,000	108,200,000
Liabilities	3,295,900,000	4,436,100,000
Liabilities Subject to Compromise	2,240,200,000	0
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, 96,998,244 and 95,779,719 issued shares, 80,031,494 and 79,103,450 outstanding shares, respectively	121,200,000	119,800,000
Additional capital	832,100,000	831,500,000
Retained earnings (accumulated deficit)	$ (2,194,900,000)	$ (1,406,700,000)
Treasury Stock, Common, Shares	16,966,750	16,676,269
Treasury shares, at cost (16,966,750 and 16,676,269 shares, respectively)	$ (586,400,000)	$ (585,600,000)
Accumulated other comprehensive loss	(327,500,000)	(360,000,000.0)
Warrants and Rights Outstanding	20,100,000	20,100,000
Total Diebold Nixdorf, Incorporated shareholders' equity	(2,135,400,000)	(1,380,900,000)
Noncontrolling interests	4,800,000	9,800,000
Total equity	(2,130,600,000)	(1,371,100,000)
Total liabilities and deficit	$ 3,405,500,000	3,065,000,000
Document Period End Date	Jun. 30, 2023
Accounts Receivable, Allowance for Credit Loss	$ 33,800,000	34,500,000
Capitalized Computer Software, Net		50,700,000
Amortization of internally-developed software	10,300,000
Long-Term Debt	2,166,900,000	2,557,600,000
Diebold Nixdorf, Incorporated and Certain Subsidiaries Party to the Bankruptcy Cases
Current assets
Cash, cash equivalents and restricted cash	386,400,000	31,400,000
Receivables, Net, Current	333,900,000
Inventories	196,400,000
Prepaid expenses	29,300,000
Other current assets	44,700,000
Total current assets	2,618,900,000
Securities and other investments	7,000,000.0
Property, Plant and Equipment, Net	28,400,000
Goodwill	95,100,000
Other Assets, Noncurrent	96,800,000
Total assets	3,647,400,000
Current liabilities
Notes payable	1,248,100,000
Accounts payable	220,100,000
Deferred Revenue, Current	207,400,000
Payroll and other benefits liabilities	59,000,000.0
Other current liabilities	512,700,000
Total current liabilities	3,907,600,000
Long-term debt	1,100,000
Pensions, post-retirement and other benefits	65,400,000
Other liabilities	90,200,000
Liabilities	4,064,300,000
Liabilities Subject to Compromise	2,240,200,000
Diebold Nixdorf, Incorporated shareholders' equity
Total equity	(2,657,100,000)
Total liabilities and deficit	3,647,400,000
Equity Method Investments	203,600,000
Long-Term Investments and Receivables, Net	597,600,000
Diebold Nixdorf, Incorporated and Certain Subsidiaries Party to the Bankruptcy Cases | Intercompany
Current assets
Receivables, Net, Current	1,628,200,000
Current liabilities
Accounts payable	1,660,300,000
Customer relationships [Member]
Current assets
Intangible assets, net		213,600,000
Customer Relationships [Member]
Current assets
Intangible assets, net	$ 181,700,000	$ 213,600,000