Commitments and Contingencies (Details) shares in Millions, $ in Millions	May 13, 2019 € / shares shares	Feb. 17, 2017 € / shares shares	Sep. 30, 2021 USD ($)
Loss Contingencies [Line Items]
Shares Repurchased Of Redeemable Noncontrolling Interest | shares	1.4	6.9
Indirect Tax Liability [Member]
Loss Contingencies [Line Items]
Loss Contingency, Range of Possible Loss, Portion Not Accrued | $			$ 76.3
Domination and Profit and Loss Transfer Agreement [Member] | Diebold Nixdorf AG [Member]
Loss Contingencies [Line Items]
Business Acquisition, Share Price	€ 54.80	€ 55.02
Recurring Cash Compensation Per Share Net Of Tax		€ 2.82