v3.26.1
FAIR VALUE MEASUREMENTS - Assets at Fair Value (Details) - EBP 004 - Master Trust Balances - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
EBP, Master Trust [Line Items]    
Investments at fair value $ 1,272,989 $ 1,214,897
Mutual funds    
EBP, Master Trust [Line Items]    
Investments at fair value 188,455 499,377
Common collective trusts    
EBP, Master Trust [Line Items]    
Investments at fair value 1,080,737 707,992
Unisys Common Stock Fund    
EBP, Master Trust [Line Items]    
Investments at fair value 3,797 7,528
Level 1    
EBP, Master Trust [Line Items]    
Investments at fair value 192,252 506,905
Level 1 | Mutual funds    
EBP, Master Trust [Line Items]    
Investments at fair value 188,455 499,377
Level 1 | Common collective trusts    
EBP, Master Trust [Line Items]    
Investments at fair value
Level 1 | Unisys Common Stock Fund    
EBP, Master Trust [Line Items]    
Investments at fair value 3,797 7,528
Level 2    
EBP, Master Trust [Line Items]    
Investments at fair value 1,080,737 707,992
Level 2 | Mutual funds    
EBP, Master Trust [Line Items]    
Investments at fair value
Level 2 | Common collective trusts    
EBP, Master Trust [Line Items]    
Investments at fair value 1,080,737 707,992
Level 2 | Unisys Common Stock Fund    
EBP, Master Trust [Line Items]    
Investments at fair value