Acquisitions (Details) € / shares in Units, $ / shares in Units, € in Millions, $ in Millions	3 Months Ended								5 Months Ended	9 Months Ended	12 Months Ended
	Dec. 31, 2016 USD ($) shares	Sep. 30, 2016 USD ($)	Jun. 30, 2016 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2016 USD ($) shares	Sep. 30, 2015 USD ($)	Dec. 31, 2016 USD ($) $ / shares shares	Sep. 30, 2016 EUR (€)	Dec. 31, 2015 EUR (€) shares	Dec. 31, 2015 USD ($) $ / shares shares	Dec. 31, 2014 USD ($)	Dec. 31, 2016 € / shares	Aug. 15, 2016 USD ($) shares
Business Acquisition [Line Items]
Incremental shares, excluded from dilutive calculation, due to resulting in operating loss | shares											600,000
Senior Notes, Noncurrent					$ 225.0									$ 225.0
Net sales	$ 1,243.4	$ 983.3	$ 580.0	$ 509.6	610.4	$ 589.6	$ 644.5	$ 574.8			$ 3,316.3			2,419.3	$ 2,734.8
Business Acquisition, Revenue Reported By Target Acquisition For Last Annual Period | €												€ 2,578.6
Payments for acquisition, net of cash acquired											884.6			59.4	11.7
Redeemable noncontrolling interests	(44.1)				0.0				$ (44.1)		(44.1)			0.0
Fair value of noncontrolling interest	(407.9)								(407.9)		(407.9)
Noncontrolling interests	433.4				23.1				433.4		433.4			23.1
Goodwill	998.3				161.5				$ 998.3		998.3			161.5	138.1
Income (loss) from continuing operations before taxes											(238.3)			45.8	154.7
Net income (loss) attributable to Diebold Nixdorf, Incorporated	$ (77.8)	(102.3)	$ (21.1)	$ 168.2	$ 32.6	$ 21.7	$ 22.2	$ (2.8)			$ (33.0)			$ 73.7	$ 114.4
Diebold Nixdorf AG
Business Acquisition [Line Items]
Incremental shares, excluded from dilutive calculation, due to resulting in operating loss | shares											600,000		700,000	700,000
Business Acquisition, Ordinary Shares Issued | shares	33,100,000								33,100,000		33,100,000
Business Acquisition, Treasury Shares | shares	3,300,000								3,300,000		3,300,000
Business Acquisition, Number Of Ordinary Shares Tendered | shares																	22,900,000
Business Acquisition, Percentage Tendered Of Ordinary Shares Issued																	69.20%
Business Acquisition, Percentage Tendered Of Ordinary Shares Outstanding																	76.70%
Business Combination, Consideration Transferred											$ 1,265.7
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares | shares											9,900,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles																	$ 802.1
Net sales									$ 1,054.8
Business Acquisition, Pro Forma Revenue											$ 4,996.2			$ 5,153.8
Business Combination Pro Forma Gross Profit											1,171.0			1,025.5
Business Combination Pro Forma Operating Profit											$ 61.3			(221.1)
Business Acquisition, Ordinary Shares Outstanding | shares	29,800,000								29,800,000		29,800,000
Cash paid											$ 995.3		€ 1,162.2
Less: cash acquired											(110.7)
Payments for acquisition, net of cash acquired											884.6
Common shares issued to Diebold Nixdorf AG shareholders	$ 279.7								$ 279.7		279.7
Other consideration											(9.3)
Trade receivables	474.1	474.1							474.1		474.1
Inventories	487.2	487.2							487.2		487.2
Deferred income taxes	109.7	46.5							109.7		109.7
Prepaid expenses	39.3	39.3							39.3		39.3
Current assets held for sale	106.6	100.5							106.6		106.6
Other current assets	79.9	79.7							79.9		79.9
Property, plant and equipment	247.1	236.9							247.1		247.1
Intangible assets	802.1	803.6							802.1		802.1
Other assets	27.0	27.0							27.0		27.0
Total assets acquired	2,373.0	2,294.8							2,373.0		2,373.0
Notes payable	159.8	159.8							159.8		159.8
Accounts payable	321.5	321.5							321.5		321.5
Deferred revenue	158.0	164.8							158.0		158.0
Payroll and other benefits liabilities	191.6	191.0							191.6		191.6
Current liabilities held for sale	56.6	62.5							56.6		56.6
Other current liabilities	196.3	183.4							196.3		196.3
Pensions and other benefits	103.2	87.6							103.2		103.2
Other noncurrent liabilities	458.9	393.5							458.9		458.9
Total liabilities assumed	1,645.9	1,564.1							1,645.9		1,645.9
Redeemable noncontrolling interests	(46.8)	0.0							(46.8)		(46.8)
Fair value of noncontrolling interest	(407.9)	(386.7)							(407.9)		(407.9)
Business Combination, Acquisition of Less than 100 Percent, Noncontrolling Interest, Carrying Value	400.1								400.1		400.1
Noncontrolling interests	21.2								21.2		21.2
Business Combination, Acquisition Related Costs											97.2
Total identifiable net assets acquired, including noncontrolling interest	272.4	344.0							272.4		272.4
Business Combination Consideration Transferred Net Of Cash Acquired	1,155.0	1,161.0							1,155.0		1,155.0
Goodwill	$ 882.6	$ 817.0							$ 882.6		882.6
Business Acquisition, Pro Forma Net Income (Loss)											$ 47.9			$ (225.7)
Business Acquisition, Pro Forma Earnings Per Share, Basic | $ / shares											$ 0.64			$ (3.02)
Business Acquisition, Pro Forma Earnings Per Share, Diluted | $ / shares											$ 0.64			$ (3.02)
Weighted Average Basic Shares Outstanding, Pro Forma | shares											75,100,000		74,800,000	74,800,000
Pro Forma Weighted Average Shares Outstanding, Diluted | shares											75,100,000		74,800,000	74,800,000
Business Acquisition, Share Price | € / shares																€ 38.98
Business Acquisition, Shares Exchanged For Acquiree Shares | shares	0.434								0.434		0.434
Purchase Accounting Pretax Charge Deferred Revenue									$ 16.2
Purchase Accounting Pretax Charge Related to Inventory Valuation Adjustment from Business Acquisition									62.7
Purchase Accounting Pretax Charge Amortization Expense									49.7
Purchase Accounting Pretax Charge Depreciation Expense									2.4
Income (loss) from continuing operations before taxes									(67.9)
Net income (loss) attributable to Diebold Nixdorf, Incorporated									$ (51.3)
Phoenix Interactive Design, Inc [Member]
Business Acquisition [Line Items]
Cash paid										$ 72.9
Business Acquisition, Percentage of Voting Interests Acquired							100.00%
Deferred Payments To Acquire Businesses										$ 12.6
Domination and Profit and Loss Transfer Agreement [Member] | Diebold Nixdorf AG
Business Acquisition [Line Items]
Business Acquisition, Share Price | € / shares																55.02
Recurring Cash Compensation Per Share | € / shares																3.13
Recurring Cash Compensation Per Share Net Of Tax | € / shares																€ 2.82
Trade Names [Member] | Diebold Nixdorf AG
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life									3 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles																	30.1
Developed Technology Rights [Member] | Diebold Nixdorf AG
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life									4 years
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles																	107.2
Customer Relationships [Member] | Diebold Nixdorf AG
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life									9 years 6 months
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles																	658.5
Other intangibles | Diebold Nixdorf AG
Business Acquisition [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles																	$ 6.3
2016 Senior Notes [Member]
Business Acquisition [Line Items]
Senior Notes, Noncurrent	$ 400.0								$ 400.0		$ 400.0
Measurement Period September 30 To December 31 [Member] | Diebold Nixdorf AG
Business Acquisition [Line Items]
Trade receivables	0.0								0.0		0.0
Inventories	0.0								0.0		0.0
Deferred income taxes	63.2								63.2		63.2
Prepaid expenses	0.0								0.0		0.0
Current assets held for sale	6.1								6.1		6.1
Other current assets	0.2								0.2		0.2
Property, plant and equipment	10.2								10.2		10.2
Intangible assets	(1.5)								(1.5)		(1.5)
Other assets	0.0								0.0		0.0
Total assets acquired	78.2								78.2		78.2
Notes payable	0.0								0.0		0.0
Accounts payable	0.0								0.0		0.0
Deferred revenue	(6.8)								(6.8)		(6.8)
Payroll and other benefits liabilities	0.6								0.6		0.6
Current liabilities held for sale	(5.9)								(5.9)		(5.9)
Other current liabilities	12.9								12.9		12.9
Pensions and other benefits	15.6								15.6		15.6
Other noncurrent liabilities	65.4								65.4		65.4
Total liabilities assumed	81.8								81.8		81.8
Redeemable noncontrolling interests	(46.8)								(46.8)		(46.8)
Fair value of noncontrolling interest	(21.2)								(21.2)		(21.2)
Total identifiable net assets acquired, including noncontrolling interest	(71.6)								(71.6)		(71.6)
Business Combination Consideration Transferred Net Of Cash Acquired	(6.0)								(6.0)		(6.0)
Goodwill	$ 65.6								$ 65.6		$ 65.6