CONSOLIDATED STATEMENTS OF INCOME (LOSS) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenue	$ 2,015.4	$ 1,979.9	$ 2,054.4
Costs and expenses
Cost of revenue	1,464.1	1,450.3	1,482.4
Selling, general and administrative	450.3	453.2	389.5
Research and development	24.1	24.2	28.5
Costs and expenses	1,938.5	1,927.7	1,900.4
Operating income	76.9	52.2	154.0
Interest expense	30.8	32.4	35.4
Other (expense), net	(393.9)	(82.4)	(580.3)
Loss before income taxes	(347.8)	(62.6)	(461.7)
Provision for (benefit from) income taxes	79.3	42.3	(11.9)
Consolidated net loss	(427.1)	(104.9)	(449.8)
Net income (loss) attributable to noncontrolling interests	3.6	1.1	(1.3)
Net loss attributable to Unisys Corporation	$ (430.7)	$ (106.0)	$ (448.5)
Loss per share attributable to Unisys Corporation
Basic (in dollars per share)	$ (6.31)	$ (1.57)	$ (6.75)
Diluted (in dollars per share)	$ (6.31)	$ (1.57)	$ (6.75)
Services
Revenue	$ 1,665.9	$ 1,597.3	$ 1,699.3
Costs and expenses
Cost of revenue	1,282.4	1,285.9	1,358.7
Technology
Revenue	349.5	382.6	355.1
Costs and expenses
Cost of revenue	$ 181.7	$ 164.4	$ 123.7