Consolidated Statements Of Income (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Revenue
Services	$ 748.0	$ 876.3	$ 2,386.7	$ 2,519.3
Technology	129.4	143.8	340.4	349.2
Total revenue	877.4	1,020.1	2,727.1	2,868.5
Cost of revenue:
Services	612.5	680.0	1,927.0	2,010.6
Technology	46.3	55.3	112.5	151.2
Cost of Revenue, Total	658.8	735.3	2,039.5	2,161.8
Selling, general and administrative	138.6	153.3	422.0	446.5
Research and development	18.8	18.5	61.0	57.2
Costs and Expenses, Total	816.2	907.1	2,522.5	2,665.5
Operating profit	61.2	113.0	204.6	203.0
Interest expense	7.8	12.5	25.0	51.7
Other income (expense), net	(25.8)	16.6	(34.9)	(56.6)
Income before income taxes	27.6	117.1	144.7	94.7
Provision for income taxes	32.7	33.4	76.8	52.4
Consolidated net income (loss)	(5.1)	83.7	67.9	42.3
Net income attributable to noncontrolling interests	3.3	1.0	8.2	6.6
Net income (loss) attributable to Unisys Corporation	(8.4)	82.7	59.7	35.7
Preferred stock dividends	4.0	4.1	12.1	9.5
Net income (loss) attributable to Unisys Corporation common shareholders	$ (12.4)	$ 78.6	$ 47.6	$ 26.2
Earnings (loss) per common share attributable to Unisys Corporation
Basic	$ (0.28)	$ 1.82	$ 1.09	$ 0.61
Diluted	$ (0.28)	$ 1.63	$ 1.08	$ 0.60