Consolidated Statements of Income (Loss) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenue
Revenue	$ 2,026.3	$ 2,222.8	$ 2,251.2
Cost of revenue:
Cost of revenue	1,543.3	1,688.8	1,666.9
Selling, general and administrative	369.4	364.8	340.3
Research and development	26.6	31.3	31.9
Costs and expenses	1,939.3	2,084.9	2,039.1
Operating income	87.0	137.9	212.1
Interest expense	29.2	62.1	64.0
Other (expense), net	(329.6)	(136.4)	(77.1)
Income (loss) from continuing operations before income taxes	(271.8)	(60.6)	71.0
Provision for income taxes	45.4	27.7	46.0
Consolidated net income (loss) from continuing operations	(317.2)	(88.3)	25.0
Net income attributable to noncontrolling interests	0.5	3.9	3.4
Net income (loss) from continuing operations attributable to Unisys Corporation	(317.7)	(92.2)	21.6
Income from discontinued operations, net of tax	1,068.4	75.0	53.9
Net income (loss) attributable to Unisys Corporation	$ 750.7	$ (17.2)	$ 75.5
Basic
Continuing operations (in dollars per share)	$ (5.05)	$ (1.65)	$ 0.42
Discontinued Operations (in dollars per share)	16.98	1.34	1.06
Total (in dollars per share)	11.93	(0.31)	1.48
Diluted
Continuing operations (in dollars per share)	(5.05)	(1.65)	0.42
Discontinued operations (in dollars per share)	16.98	1.34	1.05
Total (in dollars per share)	$ 11.93	$ (0.31)	$ 1.47
Services
Revenue
Revenue	$ 1,692.9	$ 1,892.7	$ 1,857.6
Cost of revenue:
Cost of revenue	1,429.4	1,590.6	1,567.8
Operating income	12.2	20.8	9.1
Technology
Revenue
Revenue	333.4	330.1	393.6
Cost of revenue:
Cost of revenue	113.9	98.2	99.1
Operating income	$ 142.6	$ 159.3	$ 224.3