Consolidated Balance Sheets - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Current assets
Cash, cash equivalents, and restricted cash	$ 324.5	$ 280.9
Short-term investments	37.2	10.0
Trade receivables, less allowances for doubtful accounts of $37.5 and $42.2, respectively	646.9	619.3
Inventories	498.2	466.5
Prepaid expenses	58.8	51.3
Current assets held for sale	64.7	233.3
Other current assets	227.0	230.7
Total current assets	1,857.3	1,892.0
Securities and other investments	10.3	21.4
Property, plant and equipment, net	177.5	231.5
Deferred income taxes	97.5	120.8
Goodwill	800.4	764.0
Other intangible assets, net	448.6	502.3
Right-of-use operating lease assets	143.3	167.5
Other assets	122.5	91.1
Assets	3,657.4	3,790.6
Current liabilities
Notes payable	10.7	32.5
Accounts payable	499.9	471.5
Deferred revenue	346.8	320.5
Payroll and other benefits liabilities	226.6	224.7
Current liabilities held for sale	15.4	113.4
Operating lease liabilities	55.7	62.8
Other current liabilities	494.4	374.2
Total current liabilities	1,649.5	1,599.6
Long-term debt	2,335.7	2,108.7
Pensions, post-retirement and other benefits	228.7	237.7
Long-term operating lease liabilities	93.1	106.4
Deferred income taxes	103.4	134.5
Other liabilities	59.5	89.1
Commitments and contingencies
Redeemable noncontrolling interests	19.2	20.9
Diebold Nixdorf, Incorporated shareholders' equity
Preferred shares, no par value, 1,000,000 authorized shares, none issued	0.0	0.0
Common shares, $1.25 par value, 125,000,000 authorized shares, (93,534,866 and 92,208,247 issued shares, 77,678,984 and 76,813,013 outstanding shares, respectively)	116.9	115.3
Additional capital	787.9	773.9
Retained earnings (accumulated deficit)	(742.3)	(472.3)
Treasury shares, at cost (15,855,882 and 15,395,234 shares, respectively)	(576.7)	(571.9)
Accumulated other comprehensive loss	(412.9)	(375.3)
Total Diebold Nixdorf, Incorporated shareholders' equity	(827.1)	(530.3)
Noncontrolling interests	(4.6)	24.0
Total equity	(831.7)	(506.3)
Total liabilities, redeemable noncontrolling interests and equity	3,657.4	3,790.6
Customer Relationships [Member]
Current assets
Other intangible assets, net	407.9	447.7
Other intangible assets, net
Current assets
Other intangible assets, net	$ 40.7	$ 54.6